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

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2881099
2024-12-19 17:00:55 +08:00
parent e0941609c9
commit b5b67f1dcf
20 changed files with 751 additions and 772 deletions
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14
Providers/FreeSql.Provider.ShenTong/ShenTongExpression.cs
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@@ -428,6 +428,18 @@ namespace FreeSql.ShenTong
}
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 "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);
@@ -460,7 +472,7 @@ namespace FreeSql.ShenTong
case "AddMilliseconds": return $"dateadd('second',({args1})/1000,{left})";
case "AddMinutes": return $"dateadd('minute',{args1},{left})";
case "AddMonths": return $"dateadd('month',{args1},{left})";
case "AddSeconds": return $"dateadd('second', {args1}, {left})";
case "AddSeconds": return $"dateadd('second',{args1},{left})";
case "AddTicks": return $"dateadd('second',({args1})/10000000,{left})";
case "AddYears": return $"dateadd('year',{args1},{left})";
case "Subtract":