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- 增加 pgsql 扩展方法 ISelect<T>.DistinctOn；#1680

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2881099
2023-12-08 16:07:49 +08:00
parent efedfc4cab
commit 139c19e224
3 changed files with 36 additions and 291 deletions
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281
FreeSql/FreeSql.xml
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@@ -1104,82 +1104,6 @@
</summary> </summary>
<returns></returns> <returns></returns>
</member> </member>
<member name="T:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder">
<summary>
动态创建实体类型
</summary>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.#ctor(IFreeSql,System.String,System.Attribute[])">
<summary>
配置Class
</summary>
<param name="className">类名</param>
<param name="attributes">类标记的特性[Table(Name = "xxx")] [Index(xxxx)]</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Property(System.String,System.Type,System.Attribute[])">
<summary>
配置属性
</summary>
<param name="propertyName">属性名称</param>
<param name="propertyType">属性类型</param>
<param name="attributes">属性标记的特性-支持多个</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Property(System.String,System.Type,System.Boolean,System.Attribute[])">
<summary>
配置属性
</summary>
<param name="propertyName">属性名称</param>
<param name="propertyType">属性类型</param>
<param name="isOverride">该属性是否重写父类属性</param>
<param name="attributes">属性标记的特性-支持多个</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Property(System.String,System.Type,System.Boolean,System.Object,System.Attribute[])">
<summary>
配置属性
</summary>
<param name="propertyName">属性名称</param>
<param name="propertyType">属性类型</param>
<param name="isOverride">该属性是否重写父类属性</param>
<param name="defaultValue">属性默认值</param>
<param name="attributes">属性标记的特性-支持多个</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Extend(System.Type)">
<summary>
配置父类
</summary>
<param name="superClass">父类类型</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.OverrideProperty(System.Reflection.Emit.TypeBuilder@,System.Reflection.Emit.MethodBuilder,FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.PropertyMethodEnum,System.String)">
<summary>
Override属性
</summary>
<param name="typeBuilder"></param>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Build">
<summary>
Emit动态创建出Class - Type
</summary>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.FirstCharToLower(System.String)">
<summary>
首字母小写
</summary>
<param name="input"></param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.FirstCharToUpper(System.String)">
<summary>
首字母大写
</summary>
<param name="input"></param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetEntityKeyString(IFreeSql,System.Type,System.Object,System.Boolean,System.String)"> <member name="M:FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetEntityKeyString(IFreeSql,System.Type,System.Object,System.Boolean,System.String)">
<summary> <summary>
获取实体的主键值，以 "*|_,[,_|*" 分割，当任意一个主键属性无值时，返回 null 获取实体的主键值，以 "*|_,[,_|*" 分割，当任意一个主键属性无值时，返回 null
@@ -3676,177 +3600,6 @@
<param name="parms"></param> <param name="parms"></param>
<returns></returns> <returns></returns>
</member> </member>
<member name="M:FreeSql.IAdo.ExecuteConnectTestAsync(System.Int32,System.Threading.CancellationToken)">
<summary>
测试数据库是否连接正确，本方法执行如下命令：<para></para>
MySql/SqlServer/PostgreSQL/达梦/人大金仓/神通: SELECT 1<para></para>
Oracle: SELECT 1 FROM dual<para></para>
</summary>
<param name="commandTimeout">命令超时设置(秒)</param>
<param name="cancellationToken"></param>
<returns>true: 成功, false: 失败</returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询，若使用读写分离，查询【从库】条件cmdText.StartsWith("SELECT ")，否则查询【主库】
</summary>
<param name="readerHander"></param>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.String,System.Object,System.Threading.CancellationToken)">
<summary>
查询，ExecuteReaderAsync(dr => {}, "select * from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="readerHander"></param>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
查询，ExecuteArrayAsync("select * from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
查询，ExecuteDataSetAsync("select * from user where age > @age; select 2", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
查询，ExecuteDataTableAsync("select * from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
在【主库】执行，ExecuteNonQueryAsync("delete from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
在【主库】执行，ExecuteScalarAsync("select 1 from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new SqlParameter { ParameterName = "age", Value = 25 })
</summary>
<typeparam name="T"></typeparam>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > @age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<typeparam name="T"></typeparam>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > @age; select * from address", new SqlParameter { ParameterName = "age", Value = 25 })
</summary>
<typeparam name="T1"></typeparam>
<typeparam name="T2"></typeparam>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.String,System.Object,System.Threading.CancellationToken)">
<summary>
执行SQL返回对象集合，Query&lt;User, Address&gt;("select * from user where age > @age; select * from address", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<typeparam name="T1"></typeparam>
<typeparam name="T2"></typeparam>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="E:FreeSql.IAop.ParseExpression"> <member name="E:FreeSql.IAop.ParseExpression">
<summary> <summary>
可自定义解析表达式 可自定义解析表达式
@@ -4846,12 +4599,6 @@
<param name="timeout">超时</param> <param name="timeout">超时</param>
<returns></returns> <returns></returns>
</member> </member>
<member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.GetAsync">
<summary>
获取资源
</summary>
<returns></returns>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.Return(FreeSql.Internal.ObjectPool.Object{`0},System.Boolean)"> <member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.Return(FreeSql.Internal.ObjectPool.Object{`0},System.Boolean)">
<summary> <summary>
使用完毕后，归还资源 使用完毕后，归还资源
@@ -4927,12 +4674,6 @@
</summary> </summary>
<param name="obj">资源对象</param> <param name="obj">资源对象</param>
</member> </member>
<member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnGetAsync(FreeSql.Internal.ObjectPool.Object{`0})">
<summary>
从对象池获取对象成功的时候触发，通过该方法统计或初始化对象
</summary>
<param name="obj">资源对象</param>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnReturn(FreeSql.Internal.ObjectPool.Object{`0})"> <member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnReturn(FreeSql.Internal.ObjectPool.Object{`0})">
<summary> <summary>
归还对象给对象池的时候触发 归还对象给对象池的时候触发
@@ -5863,28 +5604,6 @@
请使用 fsql.InsertDict(dict) 方法插入字典数据 请使用 fsql.InsertDict(dict) 方法插入字典数据
</summary> </summary>
</member> </member>
<member name="M:FreeSqlGlobalDynamicEntityExtensions.DynamicEntity(FreeSql.ICodeFirst,System.String,System.Attribute[])">
<summary>
动态构建Class Type
</summary>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalDynamicEntityExtensions.CreateInstance(FreeSql.Internal.Model.TableInfo,System.Collections.Generic.Dictionary{System.String,System.Object})">
<summary>
根据字典，创建 table 对应的实体对象
</summary>
<param name="table"></param>
<param name="dict"></param>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalDynamicEntityExtensions.CreateDictionary(FreeSql.Internal.Model.TableInfo,System.Object)">
<summary>
根据实体对象，创建 table 对应的字典
</summary>
<param name="table"></param>
<param name="instance"></param>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalExpressionCallExtensions.Between(System.DateTime,System.DateTime,System.DateTime)"> <member name="M:FreeSqlGlobalExpressionCallExtensions.Between(System.DateTime,System.DateTime,System.DateTime)">
<summary> <summary>
C#： that >= between &amp;&amp; that &lt;= and<para></para> C#： that >= between &amp;&amp; that &lt;= and<para></para>

2
FreeSql/Internal/CommonProvider/CodeFirstProvider.cs
View File

@@ -101,7 +101,7 @@ namespace FreeSql.Internal.CommonProvider
if (objects == null) return; if (objects == null) return;
var syncObjects = objects.Where(a => a.tableSchema?.Type != null && var syncObjects = objects.Where(a => a.tableSchema?.Type != null &&
( (
a.tableSchema.Type.Name == "DynamicDbContext" && a.tableSchema.Columns.Any() a.tableSchema.Type == typeof(object) && a.tableSchema.Columns.Any()
|| ||
a.tableSchema.Type != typeof(object) && _dicSycedGetOrAdd(a.tableSchema.Type).ContainsKey(GetTableNameLowerOrUpper(a.tableName)) == false a.tableSchema.Type != typeof(object) && _dicSycedGetOrAdd(a.tableSchema.Type).ContainsKey(GetTableNameLowerOrUpper(a.tableName)) == false
) && ) &&

26
Providers/FreeSql.Provider.PostgreSQL/PostgreSQLExtensions.cs
View File

@@ -36,6 +36,32 @@ public static partial class FreeSqlPostgreSQLGlobalExtensions
/// <returns></returns> /// <returns></returns>
public static OnConflictDoUpdate<T1> OnConflictDoUpdate<T1>(this IInsert<T1> that, Expression<Func<T1, object>> columns = null) where T1 : class => new FreeSql.PostgreSQL.Curd.OnConflictDoUpdate<T1>(that.InsertIdentity(), columns); public static OnConflictDoUpdate<T1> OnConflictDoUpdate<T1>(this IInsert<T1> that, Expression<Func<T1, object>> columns = null) where T1 : class => new FreeSql.PostgreSQL.Curd.OnConflictDoUpdate<T1>(that.InsertIdentity(), columns);
/// <summary>
/// PostgreSQL<para></para>
/// select distinct on(subject) * from score order by subject, score desc, name;
/// </summary>
public static ISelect<T1> DistinctOn<T1, TKey>(this ISelect<T1> query, Expression<Func<T1, object>> selector)
{
var select = query as FreeSql.PostgreSQL.Curd.PostgreSQLSelect<T1>;
if (select == null) throw new Exception($"{nameof(DistinctOn)} 是 FreeSql.Provider.PostgreSQL 特有的功能");
var s0p = select as Select0Provider;
var orderByOld = s0p._orderby;
var orderByNew = "";
try
{
s0p._orderby = null;
select.OrderBy(selector);
orderByNew = s0p._orderby;
}
finally
{
s0p._orderby = orderByOld;
}
if (orderByNew.StartsWith(" \r\nORDER BY "))
s0p._select = $"{s0p._select} distinct on({orderByNew.Substring(12)}) ";
return select;
}
#region ExecutePgCopy #region ExecutePgCopy
/// <summary> /// <summary>
/// 批量插入或更新（操作的字段数量超过 2000 时收益大）<para></para> /// 批量插入或更新（操作的字段数量超过 2000 时收益大）<para></para>