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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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13
Providers/FreeSql.Provider.ClickHouse/ClickHouseExpression.cs
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@@ -421,6 +421,19 @@ namespace FreeSql.ClickHouse
}
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)},toDateTime({getExp(date1)}))";
case "TotalHours": return $"dateDiff(hour,{getExp(date2)},toDateTime({getExp(date1)}))";
case "TotalMilliseconds": return $"dateDiff(millisecond, {getExp(date2)},toDateTime({getExp(date1)}))";
case "TotalMinutes": return $"dateDiff(minute,{getExp(date2)},toDateTime({getExp(date1)}))";
case "TotalSeconds": return $"dateDiff(second,{getExp(date2)},toDateTime({getExp(date1)}))";
}
return null;
}
public override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);