weiai/FreeSql
1
0
Fork 0
mirror of https://github.com/dotnetcore/FreeSql.git synced 2026-02-20 07:10:56 +08:00
Code Issues Packages Projects Releases Wiki Activity

- 忧化 DateTime.Subtract(date).TotalDays 表达式解析对应 datediff(day, date1, date2)；

Browse Source
This commit is contained in:
2881099
2024-12-19 17:00:55 +08:00
parent e0941609c9
commit b5b67f1dcf
20 changed files with 751 additions and 772 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
Providers/FreeSql.Provider.Custom/MySql/CustomMySqlExpression.cs
View File

@@ -379,6 +379,18 @@ namespace FreeSql.Custom.MySql
}
return null;
}
public override string ExpressionLambdaToSqlCallDateDiff(string memberName, Expression date1, Expression date2, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
switch (memberName)
{
case "TotalDays": return $"timestampdiff(day,{getExp(date2)},{getExp(date1)})";
case "TotalHours": return $"timestampdiff(hour,{getExp(date2)},{getExp(date1)})";
case "TotalMinutes": return $"timestampdiff(minute,{getExp(date2)},{getExp(date1)})";
case "TotalSeconds": return $"timestampdiff(second,{getExp(date2)},{getExp(date1)})";
}
return null;
}
public override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);

13
Providers/FreeSql.Provider.Custom/Oracle/CustomOracleExpression.cs
View File

@@ -384,6 +384,19 @@ namespace FreeSql.Custom.Oracle
}
return null;
}
public override string ExpressionLambdaToSqlCallDateDiff(string memberName, Expression date1, Expression date2, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
switch (memberName)
{
case "TotalDays": return $"(({getExp(date1)}+0)-({getExp(date2)}+0))";
case "TotalHours": return $"((({getExp(date1)}+0)-({getExp(date2)}+0))*24)";
case "TotalMilliseconds": return $"((({getExp(date1)}+0)-({getExp(date2)}+0))*{24 * 60 * 60 * 1000})";
case "TotalMinutes": return $"((({getExp(date1)}+0)-({getExp(date2)}+0))*{24 * 60})";
case "TotalSeconds": return $"((({getExp(date1)}+0)-({getExp(date2)}+0))*{24 * 60 * 60})";
}
return null;
}
public override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);

13
Providers/FreeSql.Provider.Custom/SqlServer/CustomSqlServerExpression.cs
View File

@@ -381,6 +381,19 @@ namespace FreeSql.Custom.SqlServer
}
return null;
}
public override string ExpressionLambdaToSqlCallDateDiff(string memberName, Expression date1, Expression date2, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
switch (memberName)
{
case "TotalDays": return $"datediff(day,{getExp(date2)},{getExp(date1)})";
case "TotalHours": return $"datediff(hour,{getExp(date2)},{getExp(date1)})";
case "TotalMilliseconds": return $"datediff(millisecond,{getExp(date2)},{getExp(date1)})";
case "TotalMinutes": return $"datediff(minute,{getExp(date2)},{getExp(date1)})";
case "TotalSeconds": return $"datediff(second,{getExp(date2)},{getExp(date1)})";
}
return null;
}
public override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);