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- 增加 Sqlite 表达式解析 yyyyMMdd 常用 c# 日期格式化；
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@ -41,6 +41,52 @@ namespace FreeSql.Tests.SqliteExpression
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public List<TestTypeInfo> Types { get; set; }
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public DateTime Time2 { get; set; }
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}
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[Fact]
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public void this_ToString()
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{
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var data = new List<object>();
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data.Add(select.Where(a => a.CreateTime.ToString().Equals(DateTime.Now)).ToList());
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data.Add(select.Where(a => a.Type.Time.AddYears(1).ToString().Equals(DateTime.Now)).ToList());
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data.Add(select.Where(a => a.Type.Parent.Time2.AddYears(1).ToString().Equals(DateTime.Now)).ToList());
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//SELECT a.`Id` as1, a.`Clicks` as2, a.`TypeGuid` as3, a.`Title` as4, a.`CreateTime` as5
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//FROM `tb_topic111333` a
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//WHERE ((date_format(a.`CreateTime`, '%Y-%m-%d %H:%i:%s.%f') = now()));
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//SELECT a.`Id` as1, a.`Clicks` as2, a.`TypeGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9
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//FROM `tb_topic111333` a, `TestTypeInfo333` a__Type
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//WHERE ((date_format(date_add(a__Type.`Time`, interval (1) year), '%Y-%m-%d %H:%i:%s.%f') = now()));
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//SELECT a.`Id` as1, a.`Clicks` as2, a.`TypeGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9
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//FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent
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//WHERE ((date_format(date_add(a__Type__Parent.`Time2`, interval (1) year), '%Y-%m-%d %H:%i:%s.%f') = now()))
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g.sqlite.Insert(new Topic()).ExecuteAffrows();
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var dtn = DateTime.Parse("2020-1-1 0:0:0");
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var dts = Enumerable.Range(1, 12).Select(a => dtn.AddMonths(a))
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.Concat(Enumerable.Range(1, 31).Select(a => dtn.AddDays(a)))
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.Concat(Enumerable.Range(1, 24).Select(a => dtn.AddHours(a)))
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.Concat(Enumerable.Range(1, 60).Select(a => dtn.AddMinutes(a)))
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.Concat(Enumerable.Range(1, 60).Select(a => dtn.AddSeconds(a)));
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foreach (var dt in dts)
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{
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Assert.Equal(dt.ToString("yyyy-MM-dd HH:mm:ss.fff"), select.First(a => dt.ToString()));
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Assert.Equal(dt.ToString("yyyy-MM-dd HH:mm:ss"), select.First(a => dt.ToString("yyyy-MM-dd HH:mm:ss")));
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Assert.Equal(dt.ToString("yyyy-MM-dd HH:mm"), select.First(a => dt.ToString("yyyy-MM-dd HH:mm")));
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Assert.Equal(dt.ToString("yyyy-MM-dd HH"), select.First(a => dt.ToString("yyyy-MM-dd HH")));
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Assert.Equal(dt.ToString("yyyy-MM-dd"), select.First(a => dt.ToString("yyyy-MM-dd")));
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Assert.Equal(dt.ToString("yyyy-MM"), select.First(a => dt.ToString("yyyy-MM")));
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Assert.Equal(dt.ToString("yyyyMMddHHmmss"), select.First(a => dt.ToString("yyyyMMddHHmmss")));
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Assert.Equal(dt.ToString("yyyyMMddHHmm"), select.First(a => dt.ToString("yyyyMMddHHmm")));
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Assert.Equal(dt.ToString("yyyyMMddHH"), select.First(a => dt.ToString("yyyyMMddHH")));
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Assert.Equal(dt.ToString("yyyyMMdd"), select.First(a => dt.ToString("yyyyMMdd")));
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Assert.Equal(dt.ToString("yyyyMM"), select.First(a => dt.ToString("yyyyMM")));
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Assert.Equal(dt.ToString("yyyy"), select.First(a => dt.ToString("yyyy")));
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Assert.Equal(dt.ToString("HH:mm:ss"), select.First(a => dt.ToString("HH:mm:ss")));
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Assert.Equal(dt.ToString("yyyy MM dd HH mm ss yy M d H hh h"), select.First(a => dt.ToString("yyyy MM dd HH mm ss yy M d H hh h")));
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Assert.Equal(dt.ToString("yyyy MM dd HH mm ss yy M d H hh h m s tt t").Replace("ÉÏÎç", "AM").Replace("ÏÂÎç", "PM").Replace("ÉÏ", "A").Replace("ÏÂ", "P"), select.First(a => dt.ToString("yyyy MM dd HH mm ss yy M d H hh h m s tt t")));
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}
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}
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[Fact]
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public void Now()
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{
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@ -587,26 +633,6 @@ namespace FreeSql.Tests.SqliteExpression
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//FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent
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//WHERE ((date_add(a__Type__Parent.`Time2`, interval (1) year) = now()))
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}
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[Fact]
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public void this_ToString()
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{
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var data = new List<object>();
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data.Add(select.Where(a => a.CreateTime.ToString().Equals(DateTime.Now)).ToList());
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data.Add(select.Where(a => a.Type.Time.AddYears(1).ToString().Equals(DateTime.Now)).ToList());
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data.Add(select.Where(a => a.Type.Parent.Time2.AddYears(1).ToString().Equals(DateTime.Now)).ToList());
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//SELECT a.`Id` as1, a.`Clicks` as2, a.`TypeGuid` as3, a.`Title` as4, a.`CreateTime` as5
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//FROM `tb_topic111333` a
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//WHERE ((date_format(a.`CreateTime`, '%Y-%m-%d %H:%i:%s.%f') = now()));
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//SELECT a.`Id` as1, a.`Clicks` as2, a.`TypeGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9
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//FROM `tb_topic111333` a, `TestTypeInfo333` a__Type
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//WHERE ((date_format(date_add(a__Type.`Time`, interval (1) year), '%Y-%m-%d %H:%i:%s.%f') = now()));
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//SELECT a.`Id` as1, a.`Clicks` as2, a.`TypeGuid` as3, a__Type.`Guid` as4, a__Type.`ParentId` as5, a__Type.`Name` as6, a__Type.`Time` as7, a.`Title` as8, a.`CreateTime` as9
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//FROM `tb_topic111333` a, `TestTypeInfo333` a__Type, `TestTypeParentInfo23123` a__Type__Parent
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//WHERE ((date_format(date_add(a__Type__Parent.`Time2`, interval (1) year), '%Y-%m-%d %H:%i:%s.%f') = now()))
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}
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[Fact]
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public void DateTime_Compare()
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{
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@ -6,6 +6,7 @@ using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace FreeSql.Sqlite
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{
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@ -396,7 +397,56 @@ namespace FreeSql.Sqlite
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break;
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case "Equals": return $"({left} = {args1})";
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case "CompareTo": return $"(strftime('%s',{left})-strftime('%s',{args1}))";
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case "ToString": return exp.Arguments.Count == 0 ? $"strftime('%Y-%m-%d %H:%M.%f',{left})" : null;
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case "ToString":
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if (exp.Arguments.Count == 0) return $"strftime('%Y-%m-%d %H:%M:%f',{left})";
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switch (args1)
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{
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case "'yyyy-MM-dd HH:mm:ss'": return $"strftime('%Y-%m-%d %H:%M:%S',{left})";
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case "'yyyy-MM-dd HH:mm'": return $"strftime('%Y-%m-%d %H:%M',{left})";
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case "'yyyy-MM-dd HH'": return $"strftime('%Y-%m-%d %H',{left})";
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case "'yyyy-MM-dd'": return $"strftime('%Y-%m-%d',{left})";
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case "'yyyy-MM'": return $"strftime('%Y-%m',{left})";
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case "'yyyyMMddHHmmss'": return $"strftime('%Y%m%d%H%M%S',{left})";
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case "'yyyyMMddHHmm'": return $"strftime('%Y%m%d%H%M',{left})";
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case "'yyyyMMddHH'": return $"strftime('%Y%m%d%H',{left})";
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case "'yyyyMMdd'": return $"strftime('%Y%m%d',{left})";
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case "'yyyyMM'": return $"strftime('%Y%m',{left})";
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case "'yyyy'": return $"strftime('%Y',{left})";
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case "'HH:mm:ss'": return $"strftime('%H:%M:%S',{left})";
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}
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args1 = Regex.Replace(args1, "(yyyy|MM|dd|HH|mm|ss)", m =>
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{
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switch (m.Groups[1].Value)
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{
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case "yyyy": return $"%Y";
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case "MM": return $"%_a1";
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case "dd": return $"%_a2";
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case "HH": return $"%_a3";
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case "mm": return $"%_a4";
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case "ss": return $"%S";
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}
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return m.Groups[0].Value;
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});
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var isMatched = false;
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args1 = Regex.Replace(args1, "(yy|M|d|H|hh|h|m|s|tt|t)", m =>
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{
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isMatched = true;
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switch (m.Groups[1].Value)
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{
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case "yy": return $"',{left}) || substr(strftime('%Y',{left}),3,2) || strftime('";
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case "M": return $"',{left}) || ltrim(strftime('%m',{left}),'0') || strftime('";
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case "d": return $"',{left}) || ltrim(strftime('%d',{left}),'0') || strftime('";
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case "H": return $"',{left}) || case when substr(strftime('%H',{left}),1,1) = '0' then substr(strftime('%H',{left}),2,1) else strftime('%H',{left}) end || strftime('";
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case "hh": return $"',{left}) || case cast(case when substr(strftime('%H',{left}),1,1) = '0' then substr(strftime('%H',{left}),2,1) else strftime('%H',{left}) end as smallint) % 12 when 0 then '12' when 1 then '01' when 2 then '02' when 3 then '03' when 4 then '04' when 5 then '05' when 6 then '06' when 7 then '07' when 8 then '08' when 9 then '09' when 10 then '10' when 11 then '11' end || strftime('";
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case "h": return $"',{left}) || case cast(case when substr(strftime('%H',{left}),1,1) = '0' then substr(strftime('%H',{left}),2,1) else strftime('%H',{left}) end as smallint) % 12 when 0 then '12' when 1 then '1' when 2 then '2' when 3 then '3' when 4 then '4' when 5 then '5' when 6 then '6' when 7 then '7' when 8 then '8' when 9 then '9' when 10 then '10' when 11 then '11' end || strftime('";
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case "m": return $"',{left}) || case when substr(strftime('%M',{left}),1,1) = '0' then substr(strftime('%M',{left}),2,1) else strftime('%M',{left}) end || strftime('";
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case "s": return $"',{left}) || case when substr(strftime('%S',{left}),1,1) = '0' then substr(strftime('%S',{left}),2,1) else strftime('%S',{left}) end || strftime('";
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case "tt": return $"',{left}) || case when cast(case when substr(strftime('%H',{left}),1,1) = '0' then substr(strftime('%H',{left}),2,1) else strftime('%H',{left}) end as smallint) >= 12 then 'PM' else 'AM' end || strftime('";
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case "t": return $"',{left}) || case when cast(case when substr(strftime('%H',{left}),1,1) = '0' then substr(strftime('%H',{left}),2,1) else strftime('%H',{left}) end as smallint) >= 12 then 'P' else 'A' end || strftime('";
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}
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return m.Groups[0].Value;
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}).Replace("%_a1", "%m").Replace("%_a2", "%d").Replace("%_a3", "%H").Replace("%_a4", "%M");
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return isMatched == false ? $"strftime({args1},{left})" : $"(strftime({args1},{left}))".Replace($"strftime('',{left})", "''");
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}
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}
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return null;
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