From 2a07c8bae67bd7c0601c4c59a1c4d5e822d1cb8f Mon Sep 17 00:00:00 2001 From: 28810 <28810@YEXIANGQIN> Date: Fri, 21 Dec 2018 17:03:51 +0800 Subject: [PATCH] =?UTF-8?q?mysql=20=E8=A1=A8=E8=BE=BE=E5=BC=8F=E5=87=BD?= =?UTF-8?q?=E6=95=B0=E6=B5=8B=E8=AF=95=E5=AE=8C=E6=88=90?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Docs/expression.md | 124 ++++ .../MySql/Expression/DateTimeTest.cs | 115 ---- FreeSql.Tests/MySql/Expression/MathTest.cs | 95 --- .../MySql/Expression/TimeSpanTest.cs | 75 --- .../MySql/MySqlExpression/DateTimeTest.cs | 622 ++++++++++++++++++ .../MySql/MySqlExpression/MathTest.cs | 132 ++++ .../StringTest.cs | 62 +- .../MySql/MySqlExpression/TimeSpanTest.cs | 260 ++++++++ FreeSql/Internal/CommonExpression.cs | 33 +- FreeSql/MySql/MySqlAdo/MySqlAdo.cs | 12 +- FreeSql/MySql/MySqlExpression.cs | 148 +++-- FreeSql/PostgreSQL/PostgreSQLExpression.cs | 25 +- FreeSql/SqlServer/SqlServerExpression.cs | 32 +- readme.md | 129 +++- 14 files changed, 1454 insertions(+), 410 deletions(-) create mode 100644 Docs/expression.md delete mode 100644 FreeSql.Tests/MySql/Expression/DateTimeTest.cs delete mode 100644 FreeSql.Tests/MySql/Expression/MathTest.cs delete mode 100644 FreeSql.Tests/MySql/Expression/TimeSpanTest.cs create mode 100644 FreeSql.Tests/MySql/MySqlExpression/DateTimeTest.cs create mode 100644 FreeSql.Tests/MySql/MySqlExpression/MathTest.cs rename FreeSql.Tests/MySql/{Expression => MySqlExpression}/StringTest.cs (94%) create mode 100644 FreeSql.Tests/MySql/MySqlExpression/TimeSpanTest.cs diff --git a/Docs/expression.md b/Docs/expression.md new file mode 100644 index 00000000..001c348e --- /dev/null +++ b/Docs/expression.md @@ -0,0 +1,124 @@ +# 表达式函数 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| (a ?? b) | ifnull(a, b) | isnull(a, b) | coalesce(a, b) | 当a为null时，取b值 | +| 数字 + 数字 | a + b | a + b | a + b | 数字相加 | +| 数字 + 字符串 | concat(a, b) | cast(a as varchar) + cast(b as varchar) | case(a as varchar) \|\| b | 字符串相加，a或b任意一个为字符串时 | +| a - b | a - b | a - b | a - b | 减 +| a * b | a * b | a * b | a * b | 乘 +| a / b | a / b | a / b | a / b | 乘 +| a % b | a mod b | a mod b | a mod b | 模 + +> 等等... + +### 字符串对象 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| string.Empty | '' | '' | '' | 空字符串表示 | +| a.CompareTo(b) | a - b | - | - | 比较a和b大小 | +| a.Contains('b') | a like '%b%' | - | - | a是否包含b | +| a.EndsWith('b') | a like '%b' | - | - | a尾部是否包含b | +| a.IndexOf(b) | locate(a, b) - 1 | - | - | 查找a中出现b的位置 | +| a.Length | char_length(a) | - | - | 返回a的字符串长度 | +| a.PadLeft(b, c) | lpad(a, b, c) | - | - | 在a的左侧充字符c，直到字符串长度大于b | +| a.PadRight(b, c) | rpad(a, b, c) | - | - | 在a的右侧充字符c，直到字符串长度大于b | +| a.Replace(b, c) | replace(a, b, c) | - | - | 将a中字符串b，替换成c | +| a.StartsWith('b') | a like 'b%' | - | - | a头部是否包含b | +| a.Substring(b, c) | substr(a, b, c) | - | - | 截取a中位置b到c的内容 | +| a.ToLower | lower(a) | - | - | 转小写 | +| a.ToUpper | upper(a) | - | - | 转大写 | +| a.Trim | trim(a) | - | - | 移除两边字符 | +| a.TrimEnd | rtrim(a) | - | - | 移除左侧指定字符 | +| a.TrimStart | ltrim(a) | - | - | 移除右侧指定字符 | + +### 日期对象 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| DateTime.Now | now() | - | - | 取本地时间 | +| DateTime.UtcNow | utc_timestamp() | - | - | 取UTC时间 | +| DateTime.Today | curdate | - | - | 取本地时间，日期部分 | +| DateTime.MaxValue | cast('9999/12/31 23:59:59' as datetime) | - | - | 最大时间 | +| DateTime.MinValue | cast('0001/1/1 0:00:00' as datetime) | - | - | 最小时间 | +| DateTime.Compare(a, b) | a - b | - | - | 比较a和b的大小 | +| DateTime.DaysInMonth(a, b) | dayofmonth(last_day(concat(a, '-', b, '-1'))) | - | - | 取指定年月份的总天数 | +| DateTime.Equals(a, b) | a = b | - | - | 比较a和b相等 | +| DateTime.IsLeapYear(a) | a%4=0 and a%100<>0 or a%400=0 | - | - | 判断闰年 | +| DateTime.Parse(a) | cast(a as datetime) | - | - | 转换日期类型 | +| a.Add(b) | date_add(a, interval b microsecond) | - | - | 增加TimeSpan值 | +| a.AddDays(b) | date_add(a, interval b day) | - | - | 增加天数 | +| a.AddHours(b) | date_add(a, interval b hour) | - | - | 增加小时 | +| a.AddMilliseconds(b) | date_add(a, interval b*1000 microsecond) | - | - | 增加毫秒 | +| a.AddMinutes(b) | date_add(a, interval b minute) | - | - | 增加分钟 | +| a.AddMonths(b) | date_add(a, interval b month) | - | - | 增加月 | +| a.AddSeconds(b) | date_add(a, interval b second) | - | - | 增加秒 | +| a.AddTicks(b) | date_add(a, interval b/10 microsecond) | - | - | 增加刻度，微秒的1/10 | +| a.AddYears(b) | date_add(a, interval b year) | - | - | 增加年 | +| a.Date | cast(date_format(a, '%Y-%m-%d') as datetime) | - | - | 获取a的日期部分 | +| a.Day | dayofmonth(a) | - | - | 获取a在月的第几天 | +| a.DayOfWeek | dayofweek(a) | - | - | 获取a在周的第几天 | +| a.DayOfYear | dayofyear(a) | - | - | 获取a在年的第几天 | +| a.Hour | hour(a) | - | - | 小时 | +| a.Millisecond | floor(microsecond(a) / 1000) | - | - | 毫秒 | +| a.Minute | minute(a) | - | - | 分钟 | +| a.Month | month(a) | - | - | 月 | +| a.Second | second(a) | - | - | 秒 | +| a.Subtract(b) | (time_to_sec(a) - time_to_sec(b)) * 1000000 + microsecond(a) - microsecond(b) | - | - | 将a的值和b相减 | +| a.Ticks | time_to_sec(a) * 10000000 + microsecond(a) * 10 + 62135596800000000 | - | - | 刻度总数 | +| a.TimeOfDay | time_to_sec(date_format(a, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a) + 6213559680000000 | - | - | 获取a的时间部分 | +| a.Year | year(a) | - | - | 年 | +| a.Equals(b) | a = b | - | - | 比较a和b相等 | +| a.CompareTo(b) | a - b | - | - | 比较a和b大小 | +| a.ToString() | date_format(a, '%Y-%m-%d %H:%i:%s.%f') | - | - | 转换字符串 | + +### 时间对象 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| TimeSpan.Zero | 0 | - | - | 0微秒 | +| TimeSpan.MaxValue | 922337203685477580 | - | - | 最大微秒时间 | +| TimeSpan.MinValue | -922337203685477580 | - | - | 最小微秒时间 | +| TimeSpan.Compare(a, b) | a - b | - | - | 比较a和b的大小 | +| TimeSpan.Equals(a, b) | a = b | - | - | 比较a和b相等 | +| TimeSpan.FromDays(a) | a * 1000000 * 60 * 60 * 24 | - | - | a天的微秒值 | +| TimeSpan.FromHours(a) | a * 1000000 * 60 * 60 | - | - | a小时的微秒值 | +| TimeSpan.FromMilliseconds(a) | a * 1000 | - | - | a毫秒的微秒值 | +| TimeSpan.FromMinutes(a) | a * 1000000 * 60 | - | - | a分钟的微秒值 | +| TimeSpan.FromSeconds(a) | a * 1000000 | - | - | a秒钟的微秒值 | +| TimeSpan.FromTicks(a) | a / 10 | - | - | a刻度的毫秒值 | +| a.Add(b) | a + b | - | - | 增加值 | +| a.Subtract(b) | a - b | - | - | 将a的值和b相减 | +| a.CompareTo(b) | a - b | - | - | 比较a和b大小 | +| a.Days | a div (1000000 * 60 * 60 * 24) | - | - | 天数部分 | +| a.Hours | a div (1000000 * 60 * 60) mod 24 | - | - | 小时部分 | +| a.Milliseconds | a div 1000 mod 1000 | - | - | 毫秒部分 | +| a.Seconds | a div 1000000 mod 60 | - | - | 秒数部分 | +| a.Ticks | a * 10 | - | - | 刻度总数 | +| a.TotalDays | a / (1000000 * 60 * 60 * 24) | - | - | 总天数(含小数) | +| a.TotalHours | a / (1000000 * 60 * 60) | - | - | 总小时(含小数) | +| a.TotalMilliseconds | a / 1000 | - | - | 总毫秒(含小数) | +| a.TotalMinutes | a / (1000000 * 60) | - | - | 总分钟(含小数) | +| a.TotalSeconds | a / 1000000 | - | - | 总秒数(含小数) | +| a.Equals(b) | a = b | - | - | 比较a和b相等 | +| a.ToString() | | - | - | 转换字符串 | + +### 数学函数 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| Math.Abs(a) | abs(a) | - | - | - | +| Math.Acos(a) | acos(a) | - | - | - | +| Math.Asin(a) | asin(a) | - | - | - | +| Math.Atan(a) | atan(a) | - | - | - | +| Math.Atan2(a, b) | atan2(a, b) | - | - | - | +| Math.Ceiling(a) | ceiling(a) | - | - | - | +| Math.Cos(a) | cos(a) | - | - | - | +| Math.Exp(a) | exp(a) | - | - | - | +| Math.Floor(a) | floor(a) | - | - | - | +| Math.Log(a) | log(a) | - | - | - | +| Math.Log10(a) | log10(a) | - | - | - | +| Math.PI(a) | 3.1415926535897931 | - | - | - | +| Math.Pow(a, b) | pow(a, b) | - | - | - | +| Math.Round(a, b) | round(a, b) | - | - | - | +| Math.Sign(a) | sign(a) | - | - | - | +| Math.Sin(a) | sin(a) | - | - | - | +| Math.Sqrt(a) | sqrt(a) | - | - | - | +| Math.Tan(a) | tan(a) | - | - | - | +| Math.Truncate(a) | truncate(a, 0) | - | - | - | diff --git a/FreeSql.Tests/MySql/Expression/DateTimeTest.cs b/FreeSql.Tests/MySql/Expression/DateTimeTest.cs deleted file mode 100644 index c43aab04..00000000 --- a/FreeSql.Tests/MySql/Expression/DateTimeTest.cs +++ /dev/null @@ -1,115 +0,0 @@ -using FreeSql.DataAnnotations; -using System; -using System.Collections.Generic; -using System.Linq; -using Xunit; - -namespace FreeSql.Tests.MySql.Expression { - public class DateTimeTest { - - ISelect select => g.mysql.Select(); - - [Table(Name = "tb_topic111333")] - class Topic { - [Column(IsIdentity = true, IsPrimary = true)] - public int Id { get; set; } - public int Clicks { get; set; } - public int TestTypeInfoGuid { get; set; } - public TestTypeInfo Type { get; set; } - public string Title { get; set; } - public DateTime CreateTime { get; set; } - } - [Table(Name = "TestTypeInfo333")] - class TestTypeInfo { - public int Guid { get; set; } - public int ParentId { get; set; } - public TestTypeParentInfo Parent { get; set; } - public string Name { get; set; } - public DateTime Time { get; set; } - } - [Table(Name = "TestTypeParentInfo23123")] - class TestTypeParentInfo { - public int Id { get; set; } - public string Name { get; set; } - - public List Types { get; set; } - public DateTime Time2 { get; set; } - } - - [Fact] - public void DayOfWeek() { - var data = new List(); - data.Add(select.Where(a => a.CreateTime.DayOfWeek > DateTime.Now.DayOfWeek).ToSql()); - data.Add(select.Where(a => a.Type.Time.DayOfWeek > DateTime.Now.DayOfWeek).ToSql()); - data.Add(select.Where(a => a.Type.Parent.Time2.DayOfWeek > DateTime.Now.DayOfWeek).ToSql()); - //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 - //FROM `tb_topic111333` a - //WHERE ((dayofweek(a.`CreateTime`) - 1) > (dayofweek(now()) - 1)); - - //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 - //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type - //WHERE ((dayofweek(a__Type.`Time`) - 1) > (dayofweek(now()) - 1)); - - //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 - //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent - //WHERE ((dayofweek(a__Type__Parent.`Time2`) - 1) > (dayofweek(now()) - 1)) - } - [Fact] - public void Day() { - } - [Fact] - public void DayOfYear() { - } - [Fact] - public void Month() { - } - [Fact] - public void Year() { - } - [Fact] - public void Hour() { - } - [Fact] - public void Minute() { - } - [Fact] - public void Second() { - } - [Fact] - public void Millisecond() { - } - [Fact] - public void Ticks() { - } - [Fact] - public void Add() { - } - [Fact] - public void AddDays() { - } - [Fact] - public void AddHours() { - } - [Fact] - public void AddMilliseconds() { - } - [Fact] - public void AddMinutes() { - } - [Fact] - public void AddMonths() { - } - [Fact] - public void AddSeconds() { - } - [Fact] - public void AddTicks() { - } - [Fact] - public void AddYears() { - } - [Fact] - public void Subtract() { - } - } -} diff --git a/FreeSql.Tests/MySql/Expression/MathTest.cs b/FreeSql.Tests/MySql/Expression/MathTest.cs deleted file mode 100644 index efe0bfd0..00000000 --- a/FreeSql.Tests/MySql/Expression/MathTest.cs +++ /dev/null @@ -1,95 +0,0 @@ -using FreeSql.DataAnnotations; -using System; -using System.Collections.Generic; -using System.Linq; -using Xunit; - -namespace FreeSql.Tests.MySql.Expression { - public class MathTest { - - ISelect select => g.mysql.Select(); - - [Table(Name = "tb_topic")] - class Topic { - [Column(IsIdentity = true, IsPrimary = true)] - public int Id { get; set; } - public int Clicks { get; set; } - public int TestTypeInfoGuid { get; set; } - public TestTypeInfo Type { get; set; } - public string Title { get; set; } - public DateTime CreateTime { get; set; } - } - class TestTypeInfo { - public int Guid { get; set; } - public int ParentId { get; set; } - public TestTypeParentInfo Parent { get; set; } - public string Name { get; set; } - } - class TestTypeParentInfo { - public int Id { get; set; } - public string Name { get; set; } - - public List Types { get; set; } - } - - [Fact] - public void PI() { - var data = new List(); - data.Add(select.Where(a => Math.PI + a.Clicks > 0).ToSql()); - } - [Fact] - public void Abs() { - } - [Fact] - public void Sign() { - } - [Fact] - public void Floor() { - } - [Fact] - public void Ceiling() { - } - [Fact] - public void Round() { - } - [Fact] - public void Exp() { - } - [Fact] - public void Log() { - } - [Fact] - public void Log10() { - } - [Fact] - public void Pow() { - } - [Fact] - public void Sqrt() { - } - [Fact] - public void Cos() { - } - [Fact] - public void Sin() { - } - [Fact] - public void Tan() { - } - [Fact] - public void Acos() { - } - [Fact] - public void Asin() { - } - [Fact] - public void Atan() { - } - [Fact] - public void Atan2() { - } - [Fact] - public void Truncate() { - } - } -} diff --git a/FreeSql.Tests/MySql/Expression/TimeSpanTest.cs b/FreeSql.Tests/MySql/Expression/TimeSpanTest.cs deleted file mode 100644 index b62b1341..00000000 --- a/FreeSql.Tests/MySql/Expression/TimeSpanTest.cs +++ /dev/null @@ -1,75 +0,0 @@ -using FreeSql.DataAnnotations; -using System; -using System.Collections.Generic; -using System.Linq; -using Xunit; - -namespace FreeSql.Tests.MySql.Expression { - public class TimeSpanTest { - - ISelect select => g.mysql.Select(); - - [Table(Name = "tb_topic")] - class Topic { - [Column(IsIdentity = true, IsPrimary = true)] - public int Id { get; set; } - public int Clicks { get; set; } - public int TestTypeInfoGuid { get; set; } - public TestTypeInfo Type { get; set; } - public string Title { get; set; } - public DateTime CreateTime { get; set; } - } - class TestTypeInfo { - public int Guid { get; set; } - public int ParentId { get; set; } - public TestTypeParentInfo Parent { get; set; } - public string Name { get; set; } - } - class TestTypeParentInfo { - public int Id { get; set; } - public string Name { get; set; } - - public List Types { get; set; } - } - - [Fact] - public void Days() { - } - [Fact] - public void Hours() { - } - [Fact] - public void Milliseconds() { - } - [Fact] - public void Minutes() { - } - [Fact] - public void Seconds() { - } - [Fact] - public void Ticks() { - } - [Fact] - public void TotalDays() { - } - [Fact] - public void TotalHours() { - } - [Fact] - public void TotalMilliseconds() { - } - [Fact] - public void TotalMinutes() { - } - [Fact] - public void TotalSeconds() { - } - [Fact] - public void Add() { - } - [Fact] - public void Subtract() { - } - } -} diff --git a/FreeSql.Tests/MySql/MySqlExpression/DateTimeTest.cs b/FreeSql.Tests/MySql/MySqlExpression/DateTimeTest.cs new file mode 100644 index 00000000..426cdc8f --- /dev/null +++ b/FreeSql.Tests/MySql/MySqlExpression/DateTimeTest.cs @@ -0,0 +1,622 @@ +using FreeSql.DataAnnotations; +using System; +using System.Collections.Generic; +using System.Linq; +using Xunit; + +namespace FreeSql.Tests.MySqlExpression { + public class DateTimeTest { + + ISelect select => g.mysql.Select(); + + [Table(Name = "tb_topic111333")] + class Topic { + [Column(IsIdentity = true, IsPrimary = true)] + public int Id { get; set; } + public int Clicks { get; set; } + public int TestTypeInfoGuid { get; set; } + public TestTypeInfo Type { get; set; } + public string Title { get; set; } + public DateTime CreateTime { get; set; } + } + [Table(Name = "TestTypeInfo333")] + class TestTypeInfo { + public int Guid { get; set; } + public int ParentId { get; set; } + public TestTypeParentInfo Parent { get; set; } + public string Name { get; set; } + public DateTime Time { get; set; } + } + [Table(Name = "TestTypeParentInfo23123")] + class TestTypeParentInfo { + public int Id { get; set; } + public string Name { get; set; } + + public List Types { get; set; } + public DateTime Time2 { get; set; } + } + [Fact] + public void Now() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Date == DateTime.Now.Date).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (cast(date_format(a.`CreateTime`, '%Y-%m-%d') as datetime) = cast(date_format(now(), '%Y-%m-%d') as datetime)) + } + [Fact] + public void UtcNow() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Date == DateTime.UtcNow.Date).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (cast(date_format(a.`CreateTime`, '%Y-%m-%d') as datetime) = cast(date_format(utc_timestamp(), '%Y-%m-%d') as datetime)) + } + [Fact] + public void MinValue() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Date == DateTime.MinValue.Date).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (cast(date_format(a.`CreateTime`, '%Y-%m-%d') as datetime) = cast(date_format(cast('0001/1/1 0:00:00' as datetime), '%Y-%m-%d') as datetime)) + } + [Fact] + public void MaxValue() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Date == DateTime.MaxValue.Date).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (cast(date_format(a.`CreateTime`, '%Y-%m-%d') as datetime) = cast(date_format(cast('9999/12/31 23:59:59' as datetime), '%Y-%m-%d') as datetime)) + } + [Fact] + public void Date() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Date == DateTime.Now.Date).ToList()); + data.Add(select.Where(a => a.Type.Time.Date > DateTime.Now.Date).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Date > DateTime.Now.Date).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (cast(date_format(a.`CreateTime`, '%Y-%m-%d') as datetime) = cast(date_format(now(), '%Y-%m-%d') as datetime)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (cast(date_format(a__Type.`Time`, '%Y-%m-%d') as datetime) > cast(date_format(now(), '%Y-%m-%d') as datetime)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (cast(date_format(a__Type__Parent.`Time2`, '%Y-%m-%d') as datetime) > cast(date_format(now(), '%Y-%m-%d') as datetime)); + data.Add(select.Where(a => DateTime.Now.Subtract(a.CreateTime.Date).TotalSeconds > 0).ToList()); + data.Add(select.Where(a => DateTime.Now.Subtract(a.Type.Time.Date).TotalSeconds > 0).ToList()); + data.Add(select.Where(a => DateTime.Now.Subtract(a.Type.Parent.Time2.Date).TotalSeconds > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (((((time_to_sec(now()) - time_to_sec(cast(date_format(a.`CreateTime`, '%Y-%m-%d') as datetime))) * 1000000 + microsecond(now()) - microsecond(cast(date_format(a.`CreateTime`, '%Y-%m-%d') as datetime)))) / 1000000) > 0); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (((((time_to_sec(now()) - time_to_sec(cast(date_format(a__Type.`Time`, '%Y-%m-%d') as datetime))) * 1000000 + microsecond(now()) - microsecond(cast(date_format(a__Type.`Time`, '%Y-%m-%d') as datetime)))) / 1000000) > 0); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (((((time_to_sec(now()) - time_to_sec(cast(date_format(a__Type__Parent.`Time2`, '%Y-%m-%d') as datetime))) * 1000000 + microsecond(now()) - microsecond(cast(date_format(a__Type__Parent.`Time2`, '%Y-%m-%d') as datetime)))) / 1000000) > 0) + } + [Fact] + public void TimeOfDay() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay == DateTime.Now.TimeOfDay).ToList()); + data.Add(select.Where(a => a.Type.Time.TimeOfDay > DateTime.Now.TimeOfDay).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.TimeOfDay > DateTime.Now.TimeOfDay).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE ((time_to_sec(a.`CreateTime`) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) = (time_to_sec(now()) * 1000000 + microsecond(now()) + 6213559680000000)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE ((time_to_sec(a__Type.`Time`) * 1000000 + microsecond(a__Type.`Time`) + 6213559680000000) > (time_to_sec(now()) * 1000000 + microsecond(now()) + 6213559680000000)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE ((time_to_sec(a__Type__Parent.`Time2`) * 1000000 + microsecond(a__Type__Parent.`Time2`) + 6213559680000000) > (time_to_sec(now()) * 1000000 + microsecond(now()) + 6213559680000000)) + } + [Fact] + public void DayOfWeek() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.DayOfWeek > DateTime.Now.DayOfWeek).ToList()); + data.Add(select.Where(a => a.Type.Time.DayOfWeek > DateTime.Now.DayOfWeek).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.DayOfWeek > DateTime.Now.DayOfWeek).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE ((dayofweek(a.`CreateTime`) - 1) > (dayofweek(now()) - 1)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE ((dayofweek(a__Type.`Time`) - 1) > (dayofweek(now()) - 1)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE ((dayofweek(a__Type__Parent.`Time2`) - 1) > (dayofweek(now()) - 1)) + } + [Fact] + public void Day() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Day > DateTime.Now.Day).ToList()); + data.Add(select.Where(a => a.Type.Time.Day > DateTime.Now.Day).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Day > DateTime.Now.Day).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (dayofmonth(a.`CreateTime`) > dayofmonth(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (dayofmonth(a__Type.`Time`) > dayofmonth(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (dayofmonth(a__Type__Parent.`Time2`) > dayofmonth(now())) + } + [Fact] + public void DayOfYear() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.DayOfYear > DateTime.Now.DayOfYear).ToList()); + data.Add(select.Where(a => a.Type.Time.DayOfYear > DateTime.Now.DayOfYear).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.DayOfYear > DateTime.Now.DayOfYear).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (dayofyear(a.`CreateTime`) > dayofyear(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (dayofyear(a__Type.`Time`) > dayofyear(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (dayofyear(a__Type__Parent.`Time2`) > dayofyear(now())) + } + [Fact] + public void Month() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Month > DateTime.Now.Month).ToList()); + data.Add(select.Where(a => a.Type.Time.Month > DateTime.Now.Month).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Month > DateTime.Now.Month).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (month(a.`CreateTime`) > month(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (month(a__Type.`Time`) > month(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (month(a__Type__Parent.`Time2`) > month(now())) + } + [Fact] + public void Year() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Year > DateTime.Now.Year).ToList()); + data.Add(select.Where(a => a.Type.Time.Year > DateTime.Now.Year).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Year > DateTime.Now.Year).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (year(a.`CreateTime`) > year(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (year(a__Type.`Time`) > year(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (year(a__Type__Parent.`Time2`) > year(now())) + } + [Fact] + public void Hour() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Hour > DateTime.Now.Hour).ToList()); + data.Add(select.Where(a => a.Type.Time.Hour > DateTime.Now.Hour).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Hour > DateTime.Now.Hour).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (hour(a.`CreateTime`) > hour(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (hour(a__Type.`Time`) > hour(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (hour(a__Type__Parent.`Time2`) > hour(now())) + } + [Fact] + public void Minute() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Minute > DateTime.Now.Minute).ToList()); + data.Add(select.Where(a => a.Type.Time.Minute > DateTime.Now.Minute).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Minute > DateTime.Now.Minute).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (minute(a.`CreateTime`) > minute(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (minute(a__Type.`Time`) > minute(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (minute(a__Type__Parent.`Time2`) > minute(now())) + } + [Fact] + public void Second() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Second > DateTime.Now.Second).ToList()); + data.Add(select.Where(a => a.Type.Time.Second > DateTime.Now.Second).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Second > DateTime.Now.Second).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (second(a.`CreateTime`) > second(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (second(a__Type.`Time`) > second(now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (second(a__Type__Parent.`Time2`) > second(now())) + } + [Fact] + public void Millisecond() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Millisecond > DateTime.Now.Millisecond).ToList()); + data.Add(select.Where(a => a.Type.Time.Millisecond > DateTime.Now.Millisecond).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Millisecond > DateTime.Now.Millisecond).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (floor(microsecond(a.`CreateTime`) / 1000) > floor(microsecond(now()) / 1000)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (floor(microsecond(a__Type.`Time`) / 1000) > floor(microsecond(now()) / 1000)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (floor(microsecond(a__Type__Parent.`Time2`) / 1000) > floor(microsecond(now()) / 1000)) + } + [Fact] + public void Ticks() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Ticks > DateTime.Now.Ticks).ToList()); + data.Add(select.Where(a => a.Type.Time.Ticks > DateTime.Now.Ticks).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Ticks > DateTime.Now.Ticks).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE ((time_to_sec(a.`CreateTime`) * 10000000 + microsecond(a.`CreateTime`) * 10 + 62135596800000000) > (time_to_sec(now()) * 10000000 + microsecond(now()) * 10 + 62135596800000000)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE ((time_to_sec(a__Type.`Time`) * 10000000 + microsecond(a__Type.`Time`) * 10 + 62135596800000000) > (time_to_sec(now()) * 10000000 + microsecond(now()) * 10 + 62135596800000000)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE ((time_to_sec(a__Type__Parent.`Time2`) * 10000000 + microsecond(a__Type__Parent.`Time2`) * 10 + 62135596800000000) > (time_to_sec(now()) * 10000000 + microsecond(now()) * 10 + 62135596800000000)) + } + [Fact] + public void Add() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Add(TimeSpan.FromDays(1)) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Time.Add(TimeSpan.FromDays(1)) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Add(TimeSpan.FromDays(1)) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_add(a.`CreateTime`, interval ((1 * 86400000000)) microsecond) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_add(a__Type.`Time`, interval ((1 * 86400000000)) microsecond) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_add(a__Type__Parent.`Time2`, interval ((1 * 86400000000)) microsecond) > now()) + } + [Fact] + public void AddDays() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.AddDays(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Time.AddDays(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddDays(1) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_add(a.`CreateTime`, interval (1) day) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_add(a__Type.`Time`, interval (1) day) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_add(a__Type__Parent.`Time2`, interval (1) day) > now()) + } + [Fact] + public void AddHours() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.AddHours(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Time.AddHours(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddHours(1) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_add(a.`CreateTime`, interval (1) hour) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_add(a__Type.`Time`, interval (1) hour) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_add(a__Type__Parent.`Time2`, interval (1) hour) > now()) + } + [Fact] + public void AddMilliseconds() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.AddMilliseconds(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Time.AddMilliseconds(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddMilliseconds(1) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_add(a.`CreateTime`, interval (1) * 1000 microsecond) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_add(a__Type.`Time`, interval (1) * 1000 microsecond) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_add(a__Type__Parent.`Time2`, interval (1) * 1000 microsecond) > now()) + } + [Fact] + public void AddMinutes() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.AddMinutes(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Time.AddMinutes(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddMinutes(1) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_add(a.`CreateTime`, interval (1) minute) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_add(a__Type.`Time`, interval (1) minute) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_add(a__Type__Parent.`Time2`, interval (1) minute) > now()) + } + [Fact] + public void AddMonths() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.AddMonths(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Time.AddMonths(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddMonths(1) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_add(a.`CreateTime`, interval (1) month) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_add(a__Type.`Time`, interval (1) month) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_add(a__Type__Parent.`Time2`, interval (1) month) > now()) + } + [Fact] + public void AddSeconds() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.AddSeconds(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Time.AddSeconds(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddSeconds(1) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_add(a.`CreateTime`, interval (1) second) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_add(a__Type.`Time`, interval (1) second) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_add(a__Type__Parent.`Time2`, interval (1) second) > now()) + } + [Fact] + public void AddTicks() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.AddTicks(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Time.AddTicks(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddTicks(1) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_add(a.`CreateTime`, interval (1) / 10 microsecond) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_add(a__Type.`Time`, interval (1) / 10 microsecond) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_add(a__Type__Parent.`Time2`, interval (1) / 10 microsecond) > now()) + } + [Fact] + public void AddYears() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.AddYears(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Time.AddYears(1) > DateTime.Now).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddYears(1) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_add(a.`CreateTime`, interval (1) year) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_add(a__Type.`Time`, interval (1) year) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_add(a__Type__Parent.`Time2`, interval (1) year) > now()) + } + [Fact] + public void Subtract() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.Subtract(DateTime.Now).TotalSeconds > 0).ToList()); + data.Add(select.Where(a => a.Type.Time.Subtract(DateTime.Now).TotalSeconds > 0).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Subtract(DateTime.Now).TotalSeconds > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (((((time_to_sec(a.`CreateTime`) - time_to_sec(now())) * 1000000 + microsecond(a.`CreateTime`) - microsecond(now()))) / 1000000) > 0); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (((((time_to_sec(a__Type.`Time`) - time_to_sec(now())) * 1000000 + microsecond(a__Type.`Time`) - microsecond(now()))) / 1000000) > 0); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (((((time_to_sec(a__Type__Parent.`Time2`) - time_to_sec(now())) * 1000000 + microsecond(a__Type__Parent.`Time2`) - microsecond(now()))) / 1000000) > 0); + data.Add(select.Where(a => a.CreateTime.Subtract(TimeSpan.FromDays(1)) > a.CreateTime).ToList()); + data.Add(select.Where(a => a.Type.Time.Subtract(TimeSpan.FromDays(1)) > a.CreateTime).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.Subtract(TimeSpan.FromDays(1)) > a.CreateTime).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (date_sub(a.`CreateTime`, interval ((1 * 86400000000)) microsecond) > a.`CreateTime`); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (date_sub(a__Type.`Time`, interval ((1 * 86400000000)) microsecond) > a.`CreateTime`); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (date_sub(a__Type__Parent.`Time2`, interval ((1 * 86400000000)) microsecond) > a.`CreateTime`) + } + [Fact] + public void this_Equals() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.AddYears(1).Equals(DateTime.Now)).ToList()); + data.Add(select.Where(a => a.Type.Time.AddYears(1).Equals(DateTime.Now)).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddYears(1).Equals(DateTime.Now)).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE ((date_add(a.`CreateTime`, interval (1) year) = now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE ((date_add(a__Type.`Time`, interval (1) year) = now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE ((date_add(a__Type__Parent.`Time2`, interval (1) year) = now())) + } + [Fact] + public void this_ToString() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.ToString().Equals(DateTime.Now)).ToList()); + data.Add(select.Where(a => a.Type.Time.AddYears(1).ToString().Equals(DateTime.Now)).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddYears(1).ToString().Equals(DateTime.Now)).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE ((date_format(a.`CreateTime`, '%Y-%m-%d %H:%i:%s.%f') = now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE ((date_format(date_add(a__Type.`Time`, interval (1) year), '%Y-%m-%d %H:%i:%s.%f') = now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE ((date_format(date_add(a__Type__Parent.`Time2`, interval (1) year), '%Y-%m-%d %H:%i:%s.%f') = now())) + } + + [Fact] + public void DateTime_Compare() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.CompareTo(DateTime.Now) == 0).ToList()); + data.Add(select.Where(a => a.Type.Time.AddYears(1).CompareTo(DateTime.Now) == 0).ToList()); + data.Add(select.Where(a => a.Type.Parent.Time2.AddYears(1).CompareTo(DateTime.Now) == 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (((a.`CreateTime`) - (now())) = 0); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (((date_add(a__Type.`Time`, interval (1) year)) - (now())) = 0); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (((date_add(a__Type__Parent.`Time2`, interval (1) year)) - (now())) = 0) + } + [Fact] + public void DateTime_DaysInMonth() { + var data = new List(); + data.Add(select.Where(a => DateTime.DaysInMonth(a.CreateTime.Year, a.CreateTime.Month) > 30).ToList()); + data.Add(select.Where(a => DateTime.DaysInMonth(a.Type.Time.Year, a.Type.Time.Month) > 30).ToList()); + data.Add(select.Where(a => DateTime.DaysInMonth(a.Type.Parent.Time2.Year, a.Type.Parent.Time2.Month) > 30).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (dayofmonth(last_day(concat(year(a.`CreateTime`), month(a.`CreateTime`), '-01'))) > 30); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (dayofmonth(last_day(concat(year(a__Type.`Time`), month(a__Type.`Time`), '-01'))) > 30); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (dayofmonth(last_day(concat(year(a__Type__Parent.`Time2`), month(a__Type__Parent.`Time2`), '-01'))) > 30) + } + [Fact] + public void DateTime_Equals() { + var data = new List(); + data.Add(select.Where(a => DateTime.Equals(a.CreateTime.AddYears(1), DateTime.Now)).ToList()); + data.Add(select.Where(a => DateTime.Equals(a.Type.Time.AddYears(1), DateTime.Now)).ToList()); + data.Add(select.Where(a => DateTime.Equals(a.Type.Parent.Time2.AddYears(1), DateTime.Now)).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE ((date_add(a.`CreateTime`, interval (1) year) = now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE ((date_add(a__Type.`Time`, interval (1) year) = now())); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE ((date_add(a__Type__Parent.`Time2`, interval (1) year) = now())) + } + [Fact] + public void DateTime_IsLeapYear() { + var data = new List(); + data.Add(select.Where(a => DateTime.IsLeapYear(a.CreateTime.Year)).ToList()); + data.Add(select.Where(a => DateTime.IsLeapYear(a.Type.Time.AddYears(1).Year)).ToList()); + data.Add(select.Where(a => DateTime.IsLeapYear(a.Type.Parent.Time2.AddYears(1).Year)).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (((year(a.`CreateTime`)) % 4 = 0 AND (year(a.`CreateTime`)) % 100 <> 0 OR (year(a.`CreateTime`)) % 400 = 0)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (((year(date_add(a__Type.`Time`, interval (1) year))) % 4 = 0 AND (year(date_add(a__Type.`Time`, interval (1) year))) % 100 <> 0 OR (year(date_add(a__Type.`Time`, interval (1) year))) % 400 = 0)); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (((year(date_add(a__Type__Parent.`Time2`, interval (1) year))) % 4 = 0 AND (year(date_add(a__Type__Parent.`Time2`, interval (1) year))) % 100 <> 0 OR (year(date_add(a__Type__Parent.`Time2`, interval (1) year))) % 400 = 0)) + } + [Fact] + public void DateTime_Parse() { + var data = new List(); + data.Add(select.Where(a => DateTime.Parse(a.CreateTime.ToString()) > DateTime.Now).ToList()); + data.Add(select.Where(a => DateTime.Parse(a.Type.Time.AddYears(1).ToString()) > DateTime.Now).ToList()); + data.Add(select.Where(a => DateTime.Parse(a.Type.Parent.Time2.AddYears(1).ToString()) > DateTime.Now).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic111333` a + //WHERE (cast(date_format(a.`CreateTime`, '%Y-%m-%d %H:%i:%s.%f') as datetime) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type + //WHERE (cast(date_format(date_add(a__Type.`Time`, interval (1) year), '%Y-%m-%d %H:%i:%s.%f') as datetime) > now()); + + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9 + //FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent + //WHERE (cast(date_format(date_add(a__Type__Parent.`Time2`, interval (1) year), '%Y-%m-%d %H:%i:%s.%f') as datetime) > now()) + } + } +} diff --git a/FreeSql.Tests/MySql/MySqlExpression/MathTest.cs b/FreeSql.Tests/MySql/MySqlExpression/MathTest.cs new file mode 100644 index 00000000..4bc5108b --- /dev/null +++ b/FreeSql.Tests/MySql/MySqlExpression/MathTest.cs @@ -0,0 +1,132 @@ +using FreeSql.DataAnnotations; +using System; +using System.Collections.Generic; +using System.Linq; +using Xunit; + +namespace FreeSql.Tests.MySqlExpression { + public class MathTest { + + ISelect select => g.mysql.Select(); + + [Table(Name = "tb_topic")] + class Topic { + [Column(IsIdentity = true, IsPrimary = true)] + public int Id { get; set; } + public int Clicks { get; set; } + public int TestTypeInfoGuid { get; set; } + public TestTypeInfo Type { get; set; } + public string Title { get; set; } + public DateTime CreateTime { get; set; } + } + class TestTypeInfo { + public int Guid { get; set; } + public int ParentId { get; set; } + public TestTypeParentInfo Parent { get; set; } + public string Name { get; set; } + } + class TestTypeParentInfo { + public int Id { get; set; } + public string Name { get; set; } + + public List Types { get; set; } + } + + [Fact] + public void PI() { + var data = new List(); + data.Add(select.Where(a => Math.PI + a.Clicks > 0).ToList()); + } + [Fact] + public void Abs() { + var data = new List(); + data.Add(select.Where(a => Math.Abs(-a.Clicks) > 0).ToList()); + } + [Fact] + public void Sign() { + var data = new List(); + data.Add(select.Where(a => Math.Sign(-a.Clicks) > 0).ToList()); + } + [Fact] + public void Floor() { + var data = new List(); + data.Add(select.Where(a => Math.Floor(a.Clicks + 0.5) == a.Clicks).ToList()); + } + [Fact] + public void Ceiling() { + var data = new List(); + data.Add(select.Where(a => Math.Ceiling(a.Clicks + 0.5) == a.Clicks + 1).ToList()); + } + [Fact] + public void Round() { + var data = new List(); + data.Add(select.Where(a => Math.Round(a.Clicks + 0.5) == a.Clicks).ToList()); + data.Add(select.Where(a => Math.Round(a.Clicks + 0.5, 1) > a.Clicks).ToList()); + } + [Fact] + public void Exp() { + var data = new List(); + data.Add(select.Where(a => Math.Exp(1) == a.Clicks + 1).ToList()); + } + [Fact] + public void Log() { + var data = new List(); + data.Add(select.Where(a => Math.Log(a.Clicks + 0.5) == a.Clicks + 1).ToList()); + } + [Fact] + public void Log10() { + var data = new List(); + data.Add(select.Where(a => Math.Log10(a.Clicks + 0.5) == a.Clicks + 1).ToList()); + } + [Fact] + public void Pow() { + var data = new List(); + data.Add(select.Where(a => Math.Pow(2, a.Clicks) == a.Clicks + 1).ToList()); + } + [Fact] + public void Sqrt() { + var data = new List(); + data.Add(select.Where(a => Math.Sqrt(Math.Pow(2, a.Clicks)) == a.Clicks + 1).ToList()); + } + [Fact] + public void Cos() { + var data = new List(); + data.Add(select.Where(a => Math.Cos(Math.Pow(2, a.Clicks)) == a.Clicks + 1).ToList()); + } + [Fact] + public void Sin() { + var data = new List(); + data.Add(select.Where(a => Math.Sin(Math.Pow(2, a.Clicks)) == a.Clicks + 1).ToList()); + } + [Fact] + public void Tan() { + var data = new List(); + data.Add(select.Where(a => Math.Tan(Math.Pow(2, a.Clicks)) == a.Clicks + 1).ToList()); + } + [Fact] + public void Acos() { + var data = new List(); + data.Add(select.Where(a => Math.Acos(Math.Pow(2, a.Clicks)) == a.Clicks + 1).ToList()); + } + [Fact] + public void Asin() { + var data = new List(); + data.Add(select.Where(a => Math.Asin(Math.Pow(2, a.Clicks)) == a.Clicks + 1).ToList()); + } + [Fact] + public void Atan() { + var data = new List(); + data.Add(select.Where(a => Math.Atan(Math.Pow(2, a.Clicks)) == a.Clicks + 1).ToList()); + } + [Fact] + public void Atan2() { + var data = new List(); + data.Add(select.Where(a => Math.Atan2(2, a.Clicks) == a.Clicks + 1).ToList()); + } + [Fact] + public void Truncate() { + var data = new List(); + data.Add(select.Where(a => Math.Truncate(a.Clicks * 1.0 / 3) == a.Clicks + 1).ToList()); + } + } +} diff --git a/FreeSql.Tests/MySql/Expression/StringTest.cs b/FreeSql.Tests/MySql/MySqlExpression/StringTest.cs similarity index 94% rename from FreeSql.Tests/MySql/Expression/StringTest.cs rename to FreeSql.Tests/MySql/MySqlExpression/StringTest.cs index 8c4e9ee7..db5707c5 100644 --- a/FreeSql.Tests/MySql/Expression/StringTest.cs +++ b/FreeSql.Tests/MySql/MySqlExpression/StringTest.cs @@ -4,7 +4,7 @@ using System.Collections.Generic; using System.Linq; using Xunit; -namespace FreeSql.Tests.MySql.Expression { +namespace FreeSql.Tests.MySqlExpression { public class StringTest { ISelect select => g.mysql.Select(); @@ -32,12 +32,22 @@ namespace FreeSql.Tests.MySql.Expression { public List Types { get; set; } } + [Fact] + public void Empty() { + var data = new List(); + data.Add(select.Where(a => (a.Title ?? "") == string.Empty).ToSql()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (ifnull(a.`Title`, '') = '') + } + [Fact] public void StartsWith() { - var list = select.Where(a => a.Title.StartsWith("aaa")).ToList(); - list = select.Where(a => a.Title.StartsWith(a.Title)).ToList(); - list = select.Where(a => a.Title.StartsWith(a.Title + 1)).ToList(); - list = select.Where(a => a.Title.StartsWith(a.Type.Name)).ToList(); + var list = new List(); + list.Add(select.Where(a => a.Title.StartsWith("aaa")).ToList()); + list.Add(select.Where(a => a.Title.StartsWith(a.Title)).ToList()); + list.Add(select.Where(a => a.Title.StartsWith(a.Title + 1)).ToList()); + list.Add(select.Where(a => a.Title.StartsWith(a.Type.Name)).ToList()); //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 //FROM `tb_topic` a //WHERE((a.`Title`) LIKE '%aaa') @@ -53,10 +63,10 @@ namespace FreeSql.Tests.MySql.Expression { //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a.`Title` as7, a.`CreateTime` as8 //FROM `tb_topic` a, `TestTypeInfo` a__Type //WHERE((a.`Title`) LIKE concat('%', a__Type.`Name`)) - list = select.Where(a => (a.Title + "aaa").StartsWith("aaa")).ToList(); - list = select.Where(a => (a.Title + "aaa").StartsWith(a.Title)).ToList(); - list = select.Where(a => (a.Title + "aaa").StartsWith(a.Title + 1)).ToList(); - list = select.Where(a => (a.Title + "aaa").StartsWith(a.Type.Name)).ToList(); + list.Add(select.Where(a => (a.Title + "aaa").StartsWith("aaa")).ToList()); + list.Add(select.Where(a => (a.Title + "aaa").StartsWith(a.Title)).ToList()); + list.Add(select.Where(a => (a.Title + "aaa").StartsWith(a.Title + 1)).ToList()); + list.Add(select.Where(a => (a.Title + "aaa").StartsWith(a.Type.Name)).ToList()); //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 //FROM `tb_topic` a //WHERE((concat(a.`Title`, 'aaa')) LIKE '%aaa') @@ -75,10 +85,11 @@ namespace FreeSql.Tests.MySql.Expression { } [Fact] public void EndsWith() { - var list = select.Where(a => a.Title.EndsWith("aaa")).ToList(); - list = select.Where(a => a.Title.EndsWith(a.Title)).ToList(); - list = select.Where(a => a.Title.EndsWith(a.Title + 1)).ToList(); - list = select.Where(a => a.Title.EndsWith(a.Type.Name)).ToList(); + var list = new List(); + list.Add(select.Where(a => a.Title.EndsWith("aaa")).ToList()); + list.Add(select.Where(a => a.Title.EndsWith(a.Title)).ToList()); + list.Add(select.Where(a => a.Title.EndsWith(a.Title + 1)).ToList()); + list.Add(select.Where(a => a.Title.EndsWith(a.Type.Name)).ToList()); //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 //FROM `tb_topic` a //WHERE((a.`Title`) LIKE 'aaa%') @@ -94,10 +105,10 @@ namespace FreeSql.Tests.MySql.Expression { //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a.`Title` as7, a.`CreateTime` as8 //FROM `tb_topic` a, `TestTypeInfo` a__Type //WHERE((a.`Title`) LIKE concat(a__Type.`Name`, '%')) - list = select.Where(a => (a.Title + "aaa").EndsWith("aaa")).ToList(); - list = select.Where(a => (a.Title + "aaa").EndsWith(a.Title)).ToList(); - list = select.Where(a => (a.Title + "aaa").EndsWith(a.Title + 1)).ToList(); - list = select.Where(a => (a.Title + "aaa").EndsWith(a.Type.Name)).ToList(); + list.Add(select.Where(a => (a.Title + "aaa").EndsWith("aaa")).ToList()); + list.Add(select.Where(a => (a.Title + "aaa").EndsWith(a.Title)).ToList()); + list.Add(select.Where(a => (a.Title + "aaa").EndsWith(a.Title + 1)).ToList()); + list.Add(select.Where(a => (a.Title + "aaa").EndsWith(a.Type.Name)).ToList()); //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 //FROM `tb_topic` a //WHERE((concat(a.`Title`, 'aaa')) LIKE 'aaa%') @@ -116,10 +127,11 @@ namespace FreeSql.Tests.MySql.Expression { } [Fact] public void Contains() { - var ToList = select.Where(a => a.Title.Contains("aaa")).ToList(); - ToList = select.Where(a => a.Title.Contains(a.Title)).ToList(); - ToList = select.Where(a => a.Title.Contains(a.Title + 1)).ToList(); - ToList = select.Where(a => a.Title.Contains(a.Type.Name)).ToList(); + var list = new List(); + list.Add(select.Where(a => a.Title.Contains("aaa")).ToList()); + list.Add(select.Where(a => a.Title.Contains(a.Title)).ToList()); + list.Add(select.Where(a => a.Title.Contains(a.Title + 1)).ToList()); + list.Add(select.Where(a => a.Title.Contains(a.Type.Name)).ToList()); //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 //FROM `tb_topic` a //WHERE((a.`Title`) LIKE '%aaa%') @@ -135,10 +147,10 @@ namespace FreeSql.Tests.MySql.Expression { //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a.`Title` as7, a.`CreateTime` as8 //FROM `tb_topic` a, `TestTypeInfo` a__Type //WHERE((a.`Title`) LIKE concat('%', a__Type.`Name`, '%')) - ToList = select.Where(a => (a.Title + "aaa").Contains("aaa")).ToList(); - ToList = select.Where(a => (a.Title + "aaa").Contains(a.Title)).ToList(); - ToList = select.Where(a => (a.Title + "aaa").Contains(a.Title + 1)).ToList(); - ToList = select.Where(a => (a.Title + "aaa").Contains(a.Type.Name)).ToList(); + list.Add(select.Where(a => (a.Title + "aaa").Contains("aaa")).ToList()); + list.Add(select.Where(a => (a.Title + "aaa").Contains(a.Title)).ToList()); + list.Add(select.Where(a => (a.Title + "aaa").Contains(a.Title + 1)).ToList()); + list.Add(select.Where(a => (a.Title + "aaa").Contains(a.Type.Name)).ToList()); //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 //FROM `tb_topic` a //WHERE((concat(a.`Title`, 'aaa')) LIKE '%aaa%') diff --git a/FreeSql.Tests/MySql/MySqlExpression/TimeSpanTest.cs b/FreeSql.Tests/MySql/MySqlExpression/TimeSpanTest.cs new file mode 100644 index 00000000..2cf513a2 --- /dev/null +++ b/FreeSql.Tests/MySql/MySqlExpression/TimeSpanTest.cs @@ -0,0 +1,260 @@ +using FreeSql.DataAnnotations; +using System; +using System.Collections.Generic; +using System.Linq; +using Xunit; + +namespace FreeSql.Tests.MySqlExpression { + public class TimeSpanTest { + + ISelect select => g.mysql.Select(); + + [Table(Name = "tb_topic")] + class Topic { + [Column(IsIdentity = true, IsPrimary = true)] + public int Id { get; set; } + public int Clicks { get; set; } + public int TestTypeInfoGuid { get; set; } + public TestTypeInfo Type { get; set; } + public string Title { get; set; } + public DateTime CreateTime { get; set; } + } + class TestTypeInfo { + public int Guid { get; set; } + public int ParentId { get; set; } + public TestTypeParentInfo Parent { get; set; } + public string Name { get; set; } + } + class TestTypeParentInfo { + public int Id { get; set; } + public string Name { get; set; } + + public List Types { get; set; } + } + [Fact] + public void Zero() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay > TimeSpan.Zero).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) > 0) + } + [Fact] + public void MinValue() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay > TimeSpan.MinValue).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) > -922337203685477580) + } + [Fact] + public void MaxValue() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay < TimeSpan.MaxValue).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) < 922337203685477580) + } + [Fact] + public void Days() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.Days == 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) div 86400000000) = 0) + } + [Fact] + public void Hours() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.Hours > 0).ToSql()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) div 3600000000) mod 24 > 0) + } + [Fact] + public void Milliseconds() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.Milliseconds > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) div 1000 mod 1000) > 0) + } + [Fact] + public void Minutes() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.Minutes > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) div 60000000 mod 60) > 0) + } + [Fact] + public void Seconds() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.Seconds > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) div 1000000 mod 60) > 0) + } + [Fact] + public void Ticks() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.Ticks > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) * 10) > 0) + } + [Fact] + public void TotalDays() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.TotalDays > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) / 86400000000) > 0) + } + [Fact] + public void TotalHours() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.TotalHours > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) / 3600000000) > 0) + } + [Fact] + public void TotalMilliseconds() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.TotalMilliseconds > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) / 1000) > 0) + } + [Fact] + public void TotalMinutes() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.TotalMinutes > 0).ToSql()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) / 60000000) > 0) + } + [Fact] + public void TotalSeconds() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.TotalSeconds > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) / 1000000) > 0) + } + [Fact] + public void Add() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.Add(TimeSpan.FromDays(1)) > TimeSpan.Zero).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) + (1 * 86400000000)) > 0) + } + [Fact] + public void Subtract() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.Subtract(TimeSpan.FromDays(1)) > TimeSpan.Zero).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) - (1 * 86400000000)) > 0) + } + [Fact] + public void CompareTo() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.CompareTo(TimeSpan.FromDays(1)) > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) - ((1 * 86400000000))) > 0) + } + [Fact] + public void this_Equals() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.Equals(TimeSpan.FromDays(1))).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) = (1 * 86400000000))) + } + [Fact] + public void this_ToString() { + var data = new List(); + data.Add(select.Where(a => a.CreateTime.TimeOfDay.ToString() == "ssss").ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (date_format(date_add(cast('0001/1/1 0:00:00' as datetime), interval ((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) microsecond), '%Y-%m-%d %H:%i:%s.%f') = 'ssss') + } + + [Fact] + public void TimeSpan_Compare() { + var data = new List(); + data.Add(select.Where(a => TimeSpan.Compare(a.CreateTime.TimeOfDay, TimeSpan.FromDays(1)) > 0).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE ((((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) - ((1 * 86400000000))) > 0) + } + [Fact] + public void TimeSpan_Equals() { + var data = new List(); + data.Add(select.Where(a => TimeSpan.Equals(a.CreateTime.TimeOfDay, TimeSpan.FromDays(1))).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) = (1 * 86400000000))) + } + [Fact] + public void TimeSpan_FromDays() { + var data = new List(); + data.Add(select.Where(a => TimeSpan.Equals(a.CreateTime.TimeOfDay, TimeSpan.FromDays(1))).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) = (1 * 86400000000))) + } + [Fact] + public void TimeSpan_FromHours() { + var data = new List(); + data.Add(select.Where(a => TimeSpan.Equals(a.CreateTime.TimeOfDay, TimeSpan.FromHours(1))).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) = (1 * 3600000000))) + } + [Fact] + public void TimeSpan_FromMilliseconds() { + var data = new List(); + data.Add(select.Where(a => TimeSpan.Equals(a.CreateTime.TimeOfDay, TimeSpan.FromMilliseconds(1))).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) = (1 * 1000))) + } + [Fact] + public void TimeSpan_FromMinutes() { + var data = new List(); + data.Add(select.Where(a => TimeSpan.Equals(a.CreateTime.TimeOfDay, TimeSpan.FromMinutes(1))).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) = (1 * 60000000))) + } + [Fact] + public void TimeSpan_FromSeconds() { + var data = new List(); + data.Add(select.Where(a => TimeSpan.Equals(a.CreateTime.TimeOfDay, TimeSpan.FromSeconds(1))).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) = (1 * 1000000))) + } + [Fact] + public void TimeSpan_FromTicks() { + var data = new List(); + data.Add(select.Where(a => TimeSpan.Equals(a.CreateTime.TimeOfDay, TimeSpan.FromTicks(1))).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000) = (1 / 10))) + } + [Fact] + public void TimeSpan_Parse() { + var data = new List(); + data.Add(select.Where(a => TimeSpan.Parse(a.CreateTime.TimeOfDay.ToString()) > TimeSpan.Zero).ToList()); + //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 + //FROM `tb_topic` a + //WHERE (cast(date_format(date_add(cast('0001/1/1 0:00:00' as datetime), interval ((time_to_sec(date_format(a.`CreateTime`, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a.`CreateTime`) + 6213559680000000)) microsecond), '%Y-%m-%d %H:%i:%s.%f') as signed) > 0) + } + } +} diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs index 23851400..8a4f6a64 100644 --- a/FreeSql/Internal/CommonExpression.cs +++ b/FreeSql/Internal/CommonExpression.cs @@ -155,26 +155,31 @@ namespace FreeSql.Internal { } internal string ExpressionLambdaToSql(Expression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { - switch( exp.NodeType) { + switch (exp.NodeType) { case ExpressionType.Quote: return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, tbtype, isQuoteName); case ExpressionType.Lambda: return ExpressionLambdaToSql((exp as LambdaExpression)?.Body, _tables, _selectColumnMap, tbtype, isQuoteName); case ExpressionType.Convert: return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, tbtype, isQuoteName); + case ExpressionType.Negate: + case ExpressionType.NegateChecked: return "-" + ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, tbtype, isQuoteName); case ExpressionType.Constant: return _common.FormatSql("{0}", (exp as ConstantExpression)?.Value); case ExpressionType.Call: var exp3 = exp as MethodCallExpression; - if (exp3.Object.Type.FullName == "System.String") return ExpressionLambdaToSqlCallString(exp3, _tables, _selectColumnMap, tbtype, isQuoteName); - if (exp3.Object.Type.FullName == "System.Math") return ExpressionLambdaToSqlCallMath(exp3, _tables, _selectColumnMap, tbtype, isQuoteName); - if (exp3.Object.Type.FullName == "System.DateTime" || exp3.Object.Type.GenericTypeArguments.FirstOrDefault()?.FullName == "System.DateTime") return ExpressionLambdaToSqlCallDateTime(exp3, _tables, _selectColumnMap, tbtype, isQuoteName); - if (exp3.Object.Type.FullName == "System.TimeSpan" || exp3.Object.Type.GenericTypeArguments.FirstOrDefault()?.FullName == "System.TimeSpan") return ExpressionLambdaToSqlCallTimeSpan(exp3, _tables, _selectColumnMap, tbtype, isQuoteName); + switch (exp3.Object?.Type.FullName ?? exp3.Method.DeclaringType.FullName) { + case "System.String": return ExpressionLambdaToSqlCallString(exp3, _tables, _selectColumnMap, tbtype, isQuoteName); + case "System.Math": return ExpressionLambdaToSqlCallMath(exp3, _tables, _selectColumnMap, tbtype, isQuoteName); + case "System.DateTime": return ExpressionLambdaToSqlCallDateTime(exp3, _tables, _selectColumnMap, tbtype, isQuoteName); + case "System.TimeSpan": return ExpressionLambdaToSqlCallTimeSpan(exp3, _tables, _selectColumnMap, tbtype, isQuoteName); + } throw new Exception($"MySqlExpression 未现实函数表达式 {exp3} 解析"); case ExpressionType.MemberAccess: var exp4 = exp as MemberExpression; + if (exp4.Expression != null && exp4.Expression.Type.FullName.StartsWith("System.Nullable`1[")) return ExpressionLambdaToSql(exp4.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); var extRet = ""; - if (exp4.Expression == null && exp4.Type.FullName == "System.DateTime" && exp4.Member.Name == "Now") return ExpressionLambdaToSqlMemberAccessDateTime(exp4, _tables, _selectColumnMap, tbtype, isQuoteName); - if (exp4.Expression.Type.FullName == "System.String") extRet = ExpressionLambdaToSqlMemberAccessString(exp4, _tables, _selectColumnMap, tbtype, isQuoteName); - else if (exp4.Expression.Type.FullName == "System.Math") extRet = ExpressionLambdaToSqlMemberAccessMath(exp4, _tables, _selectColumnMap, tbtype, isQuoteName); - else if (exp4.Expression.Type.FullName == "System.DateTime" || exp4.Type.GenericTypeArguments.FirstOrDefault()?.FullName == "System.DateTime") extRet = ExpressionLambdaToSqlMemberAccessDateTime(exp4, _tables, _selectColumnMap, tbtype, isQuoteName); - else if (exp4.Expression.Type.FullName == "System.TimeSpan" || exp4.Type.GenericTypeArguments.FirstOrDefault()?.FullName == "System.TimeSpan") extRet = ExpressionLambdaToSqlMemberAccessTimeSpan(exp4, _tables, _selectColumnMap, tbtype, isQuoteName); + switch (exp4.Expression?.Type.FullName ?? exp4.Type.FullName) { + case "System.String": extRet = ExpressionLambdaToSqlMemberAccessString(exp4, _tables, _selectColumnMap, tbtype, isQuoteName); break; + case "System.DateTime": extRet = ExpressionLambdaToSqlMemberAccessDateTime(exp4, _tables, _selectColumnMap, tbtype, isQuoteName); break; + case "System.TimeSpan": extRet = ExpressionLambdaToSqlMemberAccessTimeSpan(exp4, _tables, _selectColumnMap, tbtype, isQuoteName); break; + } if (string.IsNullOrEmpty(extRet) == false) return extRet; var expStack = new Stack(); @@ -272,9 +277,14 @@ namespace FreeSql.Internal { if (isQuoteName) name2 = _common.QuoteSqlName(name2); return $"{alias2}.{name2}"; } - if (dicExpressionOperator.TryGetValue(exp.NodeType, out var tryoper) == false) return ""; var expBinary = exp as BinaryExpression; if (expBinary == null) return ""; + if (expBinary.NodeType == ExpressionType.Coalesce) { + return _common.IsNull( + ExpressionLambdaToSql(expBinary.Left, _tables, _selectColumnMap, tbtype, isQuoteName), + ExpressionLambdaToSql(expBinary.Right, _tables, _selectColumnMap, tbtype, isQuoteName)); + } + if (dicExpressionOperator.TryGetValue(expBinary.NodeType, out var tryoper) == false) return ""; var left = ExpressionLambdaToSql(expBinary.Left, _tables, _selectColumnMap, tbtype, isQuoteName); var right = ExpressionLambdaToSql(expBinary.Right, _tables, _selectColumnMap, tbtype, isQuoteName); if (left == "NULL") { @@ -288,7 +298,6 @@ namespace FreeSql.Internal { } internal abstract string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName); - internal abstract string ExpressionLambdaToSqlMemberAccessMath(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName); internal abstract string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName); internal abstract string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName); internal abstract string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName); diff --git a/FreeSql/MySql/MySqlAdo/MySqlAdo.cs b/FreeSql/MySql/MySqlAdo/MySqlAdo.cs index 33c1d44d..e48bf473 100644 --- a/FreeSql/MySql/MySqlAdo/MySqlAdo.cs +++ b/FreeSql/MySql/MySqlAdo/MySqlAdo.cs @@ -38,13 +38,11 @@ namespace FreeSql.MySql { return string.Concat("'", ((DateTime)param).ToString("yyyy-MM-dd HH:mm:ss"), "'"); else if (param is DateTime?) return string.Concat("'", (param as DateTime?).Value.ToString("yyyy-MM-dd HH:mm:ss"), "'"); - else if (param is TimeSpan) { - var ts = (TimeSpan)param; - return string.Concat("'", ts.Ticks > 0 ? "" : "-", ts.TotalHours, dt1970.AddTicks(Math.Abs(ts.Ticks)).ToString(":mm:ss.fff"), "'"); - } else if (param is TimeSpan) { - var ts = (param as TimeSpan?).Value; - return string.Concat("'", ts.Ticks > 0 ? "" : "-", ts.TotalHours, dt1970.AddTicks(Math.Abs(ts.Ticks)).ToString(":mm:ss.fff"), "'"); - } else if (param is IEnumerable) { + else if (param is TimeSpan) + return ((TimeSpan)param).Ticks / 10; + else if (param is TimeSpan?) + return (param as TimeSpan?).Value.Ticks / 10; + else if (param is IEnumerable) { var sb = new StringBuilder(); var ie = param as IEnumerable; foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z)); diff --git a/FreeSql/MySql/MySqlExpression.cs b/FreeSql/MySql/MySqlExpression.cs index eb728bbc..169d37bc 100644 --- a/FreeSql/MySql/MySqlExpression.cs +++ b/FreeSql/MySql/MySqlExpression.cs @@ -11,25 +11,33 @@ namespace FreeSql.MySql { public MySqlExpression(CommonUtils common) : base(common) { } internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { + if (exp.Expression == null) { + switch (exp.Member.Name) { + case "Empty": return "''"; + } + return null; + } var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Member.Name) { case "Length": return $"char_length({left})"; } return null; } - - internal override string ExpressionLambdaToSqlMemberAccessMath(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { - var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); - switch (exp.Member.Name) { - case "PI": return $"pi()"; - } - return null; - } - internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { - if (exp.Expression == null && exp.Member.Name == "Now") return "now()"; + if (exp.Expression == null) { + switch (exp.Member.Name) { + case "Now": return "now()"; + case "UtcNow": return "utc_timestamp()"; + case "Today": return "curdate()"; + case "MinValue": return "cast('0001/1/1 0:00:00' as datetime)"; + case "MaxValue": return "cast('9999/12/31 23:59:59' as datetime)"; + } + return null; + } var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Member.Name) { + case "Date": return $"cast(date_format({left}, '%Y-%m-%d') as datetime)"; + case "TimeOfDay": return $"(time_to_sec(date_format({left}, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond({left}) + 6213559680000000)"; case "DayOfWeek": return $"(dayofweek({left}) - 1)"; case "Day": return $"dayofmonth({left})"; case "DayOfYear": return $"dayofyear({left})"; @@ -39,28 +47,36 @@ namespace FreeSql.MySql { case "Minute": return $"minute({left})"; case "Second": return $"second({left})"; case "Millisecond": return $"floor(microsecond({left}) / 1000)"; - case "Ticks": return $"(time_to_sec({left}) * 10000000 + 621355968000000000)"; + case "Ticks": return $"(time_to_sec({left}) * 10000000 + microsecond({left}) * 10 + 62135596800000000)"; + } + return null; + } + internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { + if (exp.Expression == null) { + switch (exp.Member.Name) { + case "Zero": return "0"; + case "MinValue": return "-922337203685477580"; //微秒 Ticks / 10 + case "MaxValue": return "922337203685477580"; + } + return null; + } + var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); + switch (exp.Member.Name) { + case "Days": return $"(({left}) div {(long)1000000 * 60 * 60 * 24})"; + case "Hours": return $"(({left}) div {(long)1000000 * 60 * 60} mod 24)"; + case "Milliseconds": return $"(({left}) div 1000 mod 1000)"; + case "Minutes": return $"(({left}) div {(long)1000000 * 60} mod 60)"; + case "Seconds": return $"(({left}) div 1000000 mod 60)"; + case "Ticks": return $"(({left}) * 10)"; + case "TotalDays": return $"(({left}) / {(long)1000000 * 60 * 60 * 24})"; + case "TotalHours": return $"(({left}) / {(long)1000000 * 60 * 60})"; + case "TotalMilliseconds": return $"(({left}) / 1000)"; + case "TotalMinutes": return $"(({left}) / {(long)1000000 * 60})"; + case "TotalSeconds": return $"(({left}) / 1000000)"; } return null; } - internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { - var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); - switch (exp.Member.Name) { - case "Days": return $"floor(time_to_sec({left}) / {60 * 60 * 24})"; - case "Hours": return $"extract(hour from {left})"; - case "Milliseconds": return $"floor(extract(microsecond from {left}) / 1000)"; - case "Minutes": return $"extract(minute from {left})"; - case "Seconds": return $"extract(second from {left})"; - case "Ticks": return $"(time_to_sec({left}) * 10000000 + extract(microsecond from {left}) * 10)"; - case "TotalDays": return $"floor(extract(hour from {left}) / 24)"; - case "TotalHours": return $"floor(time_to_sec({left}) / {60 * 60})"; - case "TotalMilliseconds": return $"(time_to_sec({left}) * 1000 + floor(extract(microsecond from {left}) / 1000))"; - case "TotalMinutes": return $"floor(time_to_sec({left}) / 60)"; - case "TotalSeconds": return $"time_to_sec({left})"; - } - return null; - } internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { var left = ExpressionLambdaToSql(exp.Object, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Method.Name) { @@ -69,8 +85,8 @@ namespace FreeSql.MySql { case "Contains": var args0Value = ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName); if (args0Value == "NULL") return $"({left}) IS NULL"; - if (exp.Method.Name == "StartsWith") return $"({left}) LIKE {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"concat('%', {args0Value})")}"; - if (exp.Method.Name == "EndsWith") return $"({left}) LIKE {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"concat({args0Value}, '%')")}"; + if (exp.Method.Name == "StartsWith") return $"({left}) LIKE {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"concat({args0Value}, '%')")}"; + if (exp.Method.Name == "EndsWith") return $"({left}) LIKE {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"concat('%', {args0Value})")}"; if (args0Value.StartsWith("'") && args0Value.EndsWith("'")) return $"({left}) LIKE {args0Value.Insert(1, "%").Insert(args0Value.Length, "%")}"; return $"({left}) LIKE concat('%', {args0Value}, '%')"; case "ToLower": return $"lower({left})"; @@ -119,10 +135,10 @@ namespace FreeSql.MySql { return left; case "Replace": return $"replace({left}, {ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)}, {ExpressionLambdaToSql(exp.Arguments[1], _tables, _selectColumnMap, tbtype, isQuoteName)})"; case "CompareTo": return $"strcmp({left}, {ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)})"; + case "Equals": return $"({left} = {ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)})"; } throw new Exception($"MySqlExpression 未现实函数表达式 {exp} 解析"); } - internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { switch (exp.Method.Name) { case "Abs": return $"abs({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)})"; @@ -148,37 +164,77 @@ namespace FreeSql.MySql { } throw new Exception($"MySqlExpression 未现实函数表达式 {exp} 解析"); } - internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { + if (exp.Object == null) { + switch (exp.Method.Name) { + case "Compare": return $"(({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)}) - ({ExpressionLambdaToSql(exp.Arguments[1], _tables, _selectColumnMap, tbtype, isQuoteName)}))"; + case "DaysInMonth": return $"dayofmonth(last_day(concat({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)}, '-', {ExpressionLambdaToSql(exp.Arguments[1], _tables, _selectColumnMap, tbtype, isQuoteName)}, '-01')))"; + case "Equals": return $"({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} = {ExpressionLambdaToSql(exp.Arguments[1], _tables, _selectColumnMap, tbtype, isQuoteName)})"; + + case "IsLeapYear": + var isLeapYearArgs1 = ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName); + return $"(({isLeapYearArgs1}) % 4 = 0 AND ({isLeapYearArgs1}) % 100 <> 0 OR ({isLeapYearArgs1}) % 400 = 0)"; + + case "Parse": return $"cast({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} as datetime)"; + case "ParseExact": + case "TryParse": + case "TryParseExact": return $"cast({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} as datetime)"; + } + return null; + } var left = ExpressionLambdaToSql(exp.Object, _tables, _selectColumnMap, tbtype, isQuoteName); - var args1 = ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName); + var args1 = exp.Arguments.Count == 0 ? null : ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Method.Name) { - case "Add": return $"date_add({left}, interval (time_to_sec({args1}) * 1000000 + extract(microsecond from {args1})) microsecond)"; - case "AddDays": return $"date_add({left}, interval {args1} day)"; - case "AddHours": return $"date_add({left}, interval {args1} hour)"; - case "AddMilliseconds": return $"date_add({left}, interval {args1} microsecond)"; - case "AddMinutes": return $"date_add({left}, interval {args1} minute)"; - case "AddMonths": return $"date_add({left}, interval {args1} month)"; - case "AddSeconds": return $"date_add({left}, interval {args1} second)"; + case "Add": return $"date_add({left}, interval ({args1}) microsecond)"; + case "AddDays": return $"date_add({left}, interval ({args1}) day)"; + case "AddHours": return $"date_add({left}, interval ({args1}) hour)"; + case "AddMilliseconds": return $"date_add({left}, interval ({args1}) * 1000 microsecond)"; + case "AddMinutes": return $"date_add({left}, interval ({args1}) minute)"; + case "AddMonths": return $"date_add({left}, interval ({args1}) month)"; + case "AddSeconds": return $"date_add({left}, interval ({args1}) second)"; case "AddTicks": return $"date_add({left}, interval ({args1}) / 10 microsecond)"; - case "AddYears": return $"date_add({left}, interval {args1} year)"; + case "AddYears": return $"date_add({left}, interval ({args1}) year)"; case "Subtract": if (exp.Arguments[0].Type.FullName == "System.DateTime" || exp.Arguments[0].Type.GenericTypeArguments.FirstOrDefault()?.FullName == "System.DateTime") - return $"({left} - {args1})"; + return $"((time_to_sec({left}) - time_to_sec({args1})) * 1000000 + microsecond({left}) - microsecond({args1}))"; if (exp.Arguments[0].Type.FullName == "System.TimeSpan" || exp.Arguments[0].Type.GenericTypeArguments.FirstOrDefault()?.FullName == "System.TimeSpan") - return $"date_sub({left}, interval (time_to_sec({args1}) * 1000000 + extract(microsecond from {args1})) microsecond)"; + return $"date_sub({left}, interval ({args1}) microsecond)"; break; + case "Equals": return $"({left} = {ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)})"; + case "CompareTo": return $"(({left}) - ({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)}))"; + case "ToString": return $"date_format({left}, '%Y-%m-%d %H:%i:%s.%f')"; } throw new Exception($"MySqlExpression 未现实函数表达式 {exp} 解析"); } internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { + if (exp.Object == null) { + switch (exp.Method.Name) { + case "Compare": return $"(({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)}) - ({ExpressionLambdaToSql(exp.Arguments[1], _tables, _selectColumnMap, tbtype, isQuoteName)}))"; + case "Equals": return $"({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} = {ExpressionLambdaToSql(exp.Arguments[1], _tables, _selectColumnMap, tbtype, isQuoteName)})"; + case "FromDays": return $"({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} * {(long)1000000 * 60 * 60 * 24})"; + case "FromHours": return $"({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} * {(long)1000000 * 60 * 60})"; + case "FromMilliseconds": return $"({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} * 1000)"; + case "FromMinutes": return $"({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} * {(long)1000000 * 60})"; + case "FromSeconds": return $"({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} * 1000000)"; + case "FromTicks": return $"({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} / 10)"; + case "Parse": return $"cast({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} as signed)"; + case "ParseExact": + case "TryParse": + case "TryParseExact": return $"cast({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)} as signed)"; + } + return null; + } var left = ExpressionLambdaToSql(exp.Object, _tables, _selectColumnMap, tbtype, isQuoteName); - var args1 = ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName); + var args1 = exp.Arguments.Count == 0 ? null : ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Method.Name) { - case "Add": return $"(date_add('1970-1-1', interval (time_to_sec({left}) * 1000000 + extract(microsecond from {left}) + time_to_sec({args1}) * 1000000 + extract(microsecond from {args1})) microsecond)) microsecond) - date_add('1970-1-1', interval 0 microsecond) second))"; - case "Subtract": return $"(date_add('1970-1-1', interval (time_to_sec({left}) * 1000000 + extract(microsecond from {left}) - time_to_sec({args1}) * 1000000 - extract(microsecond from {args1})) microsecond) - date_add('1970-1-1', interval 0 second))"; + case "Add": return $"({left} + {args1})"; + case "Subtract": return $"({left} - {args1})"; + case "Equals": return $"({left} = {ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)})"; + case "CompareTo": return $"(({left}) - ({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)}))"; + case "ToString": return $"date_format(date_add(cast('0001/1/1 0:00:00' as datetime), interval ({left}) microsecond), '%Y-%m-%d %H:%i:%s.%f')"; } throw new Exception($"MySqlExpression 未现实函数表达式 {exp} 解析"); + } } } diff --git a/FreeSql/PostgreSQL/PostgreSQLExpression.cs b/FreeSql/PostgreSQL/PostgreSQLExpression.cs index 2c8a6ebc..64ebb02f 100644 --- a/FreeSql/PostgreSQL/PostgreSQLExpression.cs +++ b/FreeSql/PostgreSQL/PostgreSQLExpression.cs @@ -17,17 +17,14 @@ namespace FreeSql.PostgreSQL { } throw new Exception($"PostgreSQLExpression 未现实函数表达式 {exp} 解析"); } - - internal override string ExpressionLambdaToSqlMemberAccessMath(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { - var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); - switch (exp.Member.Name) { - case "PI": return $"pi()"; - } - throw new Exception($"PostgreSQLExpression 未现实函数表达式 {exp} 解析"); - } - internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { - if (exp.Expression == null && exp.Member.Name == "Now") return "current_timestamp"; + if (exp.Expression == null) { + switch (exp.Member.Name) { + case "Now": return "current_timestamp"; + case "UtcNow": return "(current_timestamp at time zone 'UTC')"; + case "Today": return "current_date"; + } + } var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Member.Name) { case "DayOfWeek": return $"extract(dow from ({left})::timestamp)"; @@ -43,7 +40,6 @@ namespace FreeSql.PostgreSQL { } throw new Exception($"PostgreSQLExpression 未现实函数表达式 {exp} 解析"); } - internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Member.Name) { @@ -61,6 +57,7 @@ namespace FreeSql.PostgreSQL { } throw new Exception($"PostgreSQLExpression 未现实函数表达式 {exp} 解析"); } + internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { var left = ExpressionLambdaToSql(exp.Object, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Method.Name) { @@ -74,8 +71,8 @@ namespace FreeSql.PostgreSQL { if (exp.Arguments[1].Type == typeof(bool) || exp.Arguments[1].Type == typeof(StringComparison) && ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName).Contains("IgnoreCase")) likeOpt = "ILIKE"; } - if (exp.Method.Name == "StartsWith") return $"({left}) {likeOpt} {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"('%' || ({args0Value})::varchar)")}"; - if (exp.Method.Name == "EndsWith") return $"({left}) {likeOpt} {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"(({args0Value})::varchar || '%')")}"; + if (exp.Method.Name == "StartsWith") return $"({left}) {likeOpt} {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"(({args0Value})::varchar || '%')")}"; + if (exp.Method.Name == "EndsWith") return $"({left}) {likeOpt} {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"('%' || ({args0Value})::varchar)")}"; if (args0Value.StartsWith("'") && args0Value.EndsWith("'")) return $"({left}) {likeOpt} {args0Value.Insert(1, "%").Insert(args0Value.Length, "%")}"; return $"({left}) {likeOpt} ('%' || ({args0Value})::varchar || '%')"; case "ToLower": return $"lower({left})"; @@ -123,7 +120,6 @@ namespace FreeSql.PostgreSQL { } throw new Exception($"PostgreSQLExpression 未现实函数表达式 {exp} 解析"); } - internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { switch (exp.Method.Name) { case "Abs": return $"abs({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)})"; @@ -149,7 +145,6 @@ namespace FreeSql.PostgreSQL { } throw new Exception($"PostgreSQLExpression 未现实函数表达式 {exp} 解析"); } - internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { var left = ExpressionLambdaToSql(exp.Object, _tables, _selectColumnMap, tbtype, isQuoteName); var args1 = ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName); diff --git a/FreeSql/SqlServer/SqlServerExpression.cs b/FreeSql/SqlServer/SqlServerExpression.cs index 3fe0fdaf..b981e6e1 100644 --- a/FreeSql/SqlServer/SqlServerExpression.cs +++ b/FreeSql/SqlServer/SqlServerExpression.cs @@ -11,23 +11,27 @@ namespace FreeSql.SqlServer { public SqlServerExpression(CommonUtils common) : base(common) { } internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { + if (exp.Expression == null) { + switch (exp.Member.Name) { + case "Empty": return "''"; + } + return null; + } var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Member.Name) { case "Length": return $"len({left})"; } throw new Exception($"SqlServerExpression 未现实函数表达式 {exp} 解析"); } - - internal override string ExpressionLambdaToSqlMemberAccessMath(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { - var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); - switch (exp.Member.Name) { - case "PI": return $"pi()"; - } - throw new Exception($"SqlServerExpression 未现实函数表达式 {exp} 解析"); - } - internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { - if (exp.Expression == null && exp.Member.Name == "Now") return "getdate()"; + if (exp.Expression == null) { + switch (exp.Member.Name) { + case "Now": return "getdate()"; + case "UtcNow": return "getutcdate()"; + case "Today": return "cast(convert(char(10),getdate(),120) as date)()"; + } + return null; + } var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Member.Name) { case "DayOfWeek": return $"(datepart(weekday, {left}) - 1)"; @@ -43,7 +47,6 @@ namespace FreeSql.SqlServer { } throw new Exception($"SqlServerExpression 未现实函数表达式 {exp} 解析"); } - internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Member.Name) { @@ -61,6 +64,7 @@ namespace FreeSql.SqlServer { } throw new Exception($"SqlServerExpression 未现实函数表达式 {exp} 解析"); } + internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { var left = ExpressionLambdaToSql(exp.Object, _tables, _selectColumnMap, tbtype, isQuoteName); switch (exp.Method.Name) { @@ -69,8 +73,8 @@ namespace FreeSql.SqlServer { case "Contains": var args0Value = ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName); if (args0Value == "NULL") return $"({left}) IS NULL"; - if (exp.Method.Name == "StartsWith") return $"({left}) LIKE {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"('%' + cast({args0Value} as nvarchar))")}"; - if (exp.Method.Name == "EndsWith") return $"({left}) LIKE {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"(cast({args0Value} as nvarchar) + '%')")}"; + if (exp.Method.Name == "StartsWith") return $"({left}) LIKE {(args0Value.EndsWith("'") ? args0Value.Insert(args0Value.Length - 1, "%") : $"(cast({args0Value} as nvarchar) + '%')")}"; + if (exp.Method.Name == "EndsWith") return $"({left}) LIKE {(args0Value.StartsWith("'") ? args0Value.Insert(1, "%") : $"('%' + cast({args0Value} as nvarchar))")}"; if (args0Value.StartsWith("'") && args0Value.EndsWith("'")) return $"({left}) LIKE {args0Value.Insert(1, "%").Insert(args0Value.Length, "%")}"; return $"({left}) LIKE ('%' + cast({args0Value} as nvarchar) + '%')"; case "ToLower": return $"lower({left})"; @@ -99,7 +103,6 @@ namespace FreeSql.SqlServer { } throw new Exception($"SqlServerExpression 未现实函数表达式 {exp} 解析"); } - internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { switch (exp.Method.Name) { case "Abs": return $"abs({ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName)})"; @@ -125,7 +128,6 @@ namespace FreeSql.SqlServer { } throw new Exception($"SqlServerExpression 未现实函数表达式 {exp} 解析"); } - internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, List _tables, List _selectColumnMap, SelectTableInfoType tbtype, bool isQuoteName) { var left = ExpressionLambdaToSql(exp.Object, _tables, _selectColumnMap, tbtype, isQuoteName); var args1 = ExpressionLambdaToSql(exp.Arguments[0], _tables, _selectColumnMap, tbtype, isQuoteName); diff --git a/readme.md b/readme.md index c5c06281..69775e39 100644 --- a/readme.md +++ b/readme.md @@ -8,6 +8,7 @@ https://github.com/2881099/FreeSql/blob/master/Docs/generator.md 默认提供了 * [Delete 删除数据](Docs/delete.md) * [Select 查询数据](Docs/select.md) +* [Expression 表达式函数](Docs/expression.md) * [CodeFirst 快速开发](Docs/codefirst.md) * [DbFirst 快速开发](Docs/dbfirst.md) * [DbFirst 生成器](Docs/generator.md) @@ -118,13 +119,131 @@ sql = select.LeftJoin("TestTypeInfo b on b.Guid = a.TestTypeInfoGuid and b.Name //SELECT a.`Id` as1, a.`Clicks` as2, a.`TestTypeInfoGuid` as3, a.`Title` as4, a.`CreateTime` as5 FROM `tb_topic` a LEFT JOIN TestTypeInfo b on b.Guid = a.TestTypeInfoGuid and b.Name = ?bname ``` -### 表达式函数支持 +# 表达式函数 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| (a ?? b) | ifnull(a, b) | isnull(a, b) | coalesce(a, b) | 当a为null时，取b值 | +| 数字 + 数字 | a + b | a + b | a + b | 数字相加 | +| 数字 + 字符串 | concat(a, b) | cast(a as varchar) + cast(b as varchar) | case(a as varchar) \|\| b | 字符串相加，a或b任意一个为字符串时 | +| a - b | a - b | a - b | a - b | 减 +| a * b | a * b | a * b | a * b | 乘 +| a / b | a / b | a / b | a / b | 乘 +| a % b | a mod b | a mod b | a mod b | 模 -#### String 对象方法 -StartsWith, EndsWith, Contains, ToLower, ToUpper, Substring, Length, IndexOf, PadLeft, PadRight, Trim, TrimStart, TrimEnd, Replace, CompareTo +> 等等... + +### 字符串对象 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| string.Empty | '' | '' | '' | 空字符串表示 | +| a.CompareTo(b) | a - b | - | - | 比较a和b大小 | +| a.Contains('b') | a like '%b%' | - | - | a是否包含b | +| a.EndsWith('b') | a like '%b' | - | - | a尾部是否包含b | +| a.IndexOf(b) | locate(a, b) - 1 | - | - | 查找a中出现b的位置 | +| a.Length | char_length(a) | - | - | 返回a的字符串长度 | +| a.PadLeft(b, c) | lpad(a, b, c) | - | - | 在a的左侧充字符c，直到字符串长度大于b | +| a.PadRight(b, c) | rpad(a, b, c) | - | - | 在a的右侧充字符c，直到字符串长度大于b | +| a.Replace(b, c) | replace(a, b, c) | - | - | 将a中字符串b，替换成c | +| a.StartsWith('b') | a like 'b%' | - | - | a头部是否包含b | +| a.Substring(b, c) | substr(a, b, c) | - | - | 截取a中位置b到c的内容 | +| a.ToLower | lower(a) | - | - | 转小写 | +| a.ToUpper | upper(a) | - | - | 转大写 | +| a.Trim | trim(a) | - | - | 移除两边字符 | +| a.TrimEnd | rtrim(a) | - | - | 移除左侧指定字符 | +| a.TrimStart | ltrim(a) | - | - | 移除右侧指定字符 | + +### 日期对象 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| DateTime.Now | now() | - | - | 取本地时间 | +| DateTime.UtcNow | utc_timestamp() | - | - | 取UTC时间 | +| DateTime.Today | curdate | - | - | 取本地时间，日期部分 | +| DateTime.MaxValue | cast('9999/12/31 23:59:59' as datetime) | - | - | 最大时间 | +| DateTime.MinValue | cast('0001/1/1 0:00:00' as datetime) | - | - | 最小时间 | +| DateTime.Compare(a, b) | a - b | - | - | 比较a和b的大小 | +| DateTime.DaysInMonth(a, b) | dayofmonth(last_day(concat(a, '-', b, '-1'))) | - | - | 取指定年月份的总天数 | +| DateTime.Equals(a, b) | a = b | - | - | 比较a和b相等 | +| DateTime.IsLeapYear(a) | a%4=0 and a%100<>0 or a%400=0 | - | - | 判断闰年 | +| DateTime.Parse(a) | cast(a as datetime) | - | - | 转换日期类型 | +| a.Add(b) | date_add(a, interval b microsecond) | - | - | 增加TimeSpan值 | +| a.AddDays(b) | date_add(a, interval b day) | - | - | 增加天数 | +| a.AddHours(b) | date_add(a, interval b hour) | - | - | 增加小时 | +| a.AddMilliseconds(b) | date_add(a, interval b*1000 microsecond) | - | - | 增加毫秒 | +| a.AddMinutes(b) | date_add(a, interval b minute) | - | - | 增加分钟 | +| a.AddMonths(b) | date_add(a, interval b month) | - | - | 增加月 | +| a.AddSeconds(b) | date_add(a, interval b second) | - | - | 增加秒 | +| a.AddTicks(b) | date_add(a, interval b/10 microsecond) | - | - | 增加刻度，微秒的1/10 | +| a.AddYears(b) | date_add(a, interval b year) | - | - | 增加年 | +| a.Date | cast(date_format(a, '%Y-%m-%d') as datetime) | - | - | 获取a的日期部分 | +| a.Day | dayofmonth(a) | - | - | 获取a在月的第几天 | +| a.DayOfWeek | dayofweek(a) | - | - | 获取a在周的第几天 | +| a.DayOfYear | dayofyear(a) | - | - | 获取a在年的第几天 | +| a.Hour | hour(a) | - | - | 小时 | +| a.Millisecond | floor(microsecond(a) / 1000) | - | - | 毫秒 | +| a.Minute | minute(a) | - | - | 分钟 | +| a.Month | month(a) | - | - | 月 | +| a.Second | second(a) | - | - | 秒 | +| a.Subtract(b) | (time_to_sec(a) - time_to_sec(b)) * 1000000 + microsecond(a) - microsecond(b) | - | - | 将a的值和b相减 | +| a.Ticks | time_to_sec(a) * 10000000 + microsecond(a) * 10 + 62135596800000000 | - | - | 刻度总数 | +| a.TimeOfDay | time_to_sec(date_format(a, '1970-1-1 %H:%i:%s.%f')) * 1000000 + microsecond(a) + 6213559680000000 | - | - | 获取a的时间部分 | +| a.Year | year(a) | - | - | 年 | +| a.Equals(b) | a = b | - | - | 比较a和b相等 | +| a.CompareTo(b) | a - b | - | - | 比较a和b大小 | +| a.ToString() | date_format(a, '%Y-%m-%d %H:%i:%s.%f') | - | - | 转换字符串 | + +### 时间对象 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| TimeSpan.Zero | 0 | - | - | 0微秒 | +| TimeSpan.MaxValue | 922337203685477580 | - | - | 最大微秒时间 | +| TimeSpan.MinValue | -922337203685477580 | - | - | 最小微秒时间 | +| TimeSpan.Compare(a, b) | a - b | - | - | 比较a和b的大小 | +| TimeSpan.Equals(a, b) | a = b | - | - | 比较a和b相等 | +| TimeSpan.FromDays(a) | a * 1000000 * 60 * 60 * 24 | - | - | a天的微秒值 | +| TimeSpan.FromHours(a) | a * 1000000 * 60 * 60 | - | - | a小时的微秒值 | +| TimeSpan.FromMilliseconds(a) | a * 1000 | - | - | a毫秒的微秒值 | +| TimeSpan.FromMinutes(a) | a * 1000000 * 60 | - | - | a分钟的微秒值 | +| TimeSpan.FromSeconds(a) | a * 1000000 | - | - | a秒钟的微秒值 | +| TimeSpan.FromTicks(a) | a / 10 | - | - | a刻度的毫秒值 | +| a.Add(b) | a + b | - | - | 增加值 | +| a.Subtract(b) | a - b | - | - | 将a的值和b相减 | +| a.CompareTo(b) | a - b | - | - | 比较a和b大小 | +| a.Days | a div (1000000 * 60 * 60 * 24) | - | - | 天数部分 | +| a.Hours | a div (1000000 * 60 * 60) mod 24 | - | - | 小时部分 | +| a.Milliseconds | a div 1000 mod 1000 | - | - | 毫秒部分 | +| a.Seconds | a div 1000000 mod 60 | - | - | 秒数部分 | +| a.Ticks | a * 10 | - | - | 刻度总数 | +| a.TotalDays | a / (1000000 * 60 * 60 * 24) | - | - | 总天数(含小数) | +| a.TotalHours | a / (1000000 * 60 * 60) | - | - | 总小时(含小数) | +| a.TotalMilliseconds | a / 1000 | - | - | 总毫秒(含小数) | +| a.TotalMinutes | a / (1000000 * 60) | - | - | 总分钟(含小数) | +| a.TotalSeconds | a / 1000000 | - | - | 总秒数(含小数) | +| a.Equals(b) | a = b | - | - | 比较a和b相等 | +| a.ToString() | | - | - | 转换字符串 | + +### 数学函数 +| 表达式 | MySql | SqlServer | PostgreSQL | 功能说明 | +| - | - | - | - | - | +| Math.Abs(a) | abs(a) | - | - | - | +| Math.Acos(a) | acos(a) | - | - | - | +| Math.Asin(a) | asin(a) | - | - | - | +| Math.Atan(a) | atan(a) | - | - | - | +| Math.Atan2(a, b) | atan2(a, b) | - | - | - | +| Math.Ceiling(a) | ceiling(a) | - | - | - | +| Math.Cos(a) | cos(a) | - | - | - | +| Math.Exp(a) | exp(a) | - | - | - | +| Math.Floor(a) | floor(a) | - | - | - | +| Math.Log(a) | log(a) | - | - | - | +| Math.Log10(a) | log10(a) | - | - | - | +| Math.PI(a) | 3.1415926535897931 | - | - | - | +| Math.Pow(a, b) | pow(a, b) | - | - | - | +| Math.Round(a, b) | round(a, b) | - | - | - | +| Math.Sign(a) | sign(a) | - | - | - | +| Math.Sin(a) | sin(a) | - | - | - | +| Math.Sqrt(a) | sqrt(a) | - | - | - | +| Math.Tan(a) | tan(a) | - | - | - | +| Math.Truncate(a) | truncate(a, 0) | - | - | - | -#### Math 方法 -... # 更多文档整理中。。。