tk/FreeSql
1
0
Fork 0
mirror of https://github.com/nsnail/FreeSql.git synced 2025-06-18 20:08:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

- 移除 TimeSpan 过度 Lambda 解析；

Browse Source
This commit is contained in:
2881099
2024-08-08 20:30:26 +08:00
parent 6525c7000f
commit 5ad0fd8b75
54 changed files with 132 additions and 1791 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
Providers/FreeSql.Provider.Dameng/DamengExpression.cs
View File

@ -235,35 +235,6 @@ namespace FreeSql.Dameng
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Zero": return "numtodsinterval(0,'second')";
case "MinValue": return "numtodsinterval(-233720368.5477580,'second')";
case "MaxValue": return "numtodsinterval(233720368.5477580,'second')";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Days": return $"extract(day from {left})";
case "Hours": return $"extract(hour from {left})";
case "Milliseconds": return $"cast(substr(extract(second from {left})-floor(extract(second from {left})),3,3) as number)";
case "Minutes": return $"extract(minute from {left})";
case "Seconds": return $"floor(extract(second from {left}))";
case "Ticks": return $"(extract(day from {left})*86400+extract(hour from {left})*3600+extract(minute from {left})*60+extract(second from {left}))*10000000";
case "TotalDays": return $"extract(day from {left})";
case "TotalHours": return $"(extract(day from {left})*24+extract(hour from {left}))";
case "TotalMilliseconds": return $"(extract(day from {left})*86400+extract(hour from {left})*3600+extract(minute from {left})*60+extract(second from {left}))*1000";
case "TotalMinutes": return $"(extract(day from {left})*1440+extract(hour from {left})*60+extract(minute from {left}))";
case "TotalSeconds": return $"(extract(day from {left})*86400+extract(hour from {left})*3600+extract(minute from {left})*60+extract(second from {left}))";
}
return null;
}
public override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc)
{
@ -439,7 +410,6 @@ namespace FreeSql.Dameng
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"({left}+{args1})";
case "AddDays": return $"({left}+{args1})";
case "AddHours": return $"({left}+({args1})/24)";
case "AddMilliseconds": return $"({left}+({args1})/86400000)";
@ -519,42 +489,6 @@ namespace FreeSql.Dameng
}
return null;
}
public override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "Compare": return $"extract(day from ({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])})))";
case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})";
case "FromDays": return $"numtodsinterval(({getExp(exp.Arguments[0])})*{(long)60 * 60 * 24},'second')";
case "FromHours": return $"numtodsinterval(({getExp(exp.Arguments[0])})*{(long)60 * 60},'second')";
case "FromMilliseconds": return $"numtodsinterval(({getExp(exp.Arguments[0])})/1000,'second')";
case "FromMinutes": return $"numtodsinterval(({getExp(exp.Arguments[0])})*60,'second')";
case "FromSeconds": return $"numtodsinterval(({getExp(exp.Arguments[0])}),'second')";
case "FromTicks": return $"numtodsinterval(({getExp(exp.Arguments[0])})/10000000,'second')";
case "Parse": return $"cast({getExp(exp.Arguments[0])} as interval day(9) to second(6))";
case "ParseExact":
case "TryParse":
case "TryParseExact": return $"cast({getExp(exp.Arguments[0])} as interval day(9) to second(6))";
}
}
else
{
var left = getExp(exp.Object);
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"({left}+{args1})";
case "Subtract": return $"({left}-({args1}))";
case "Equals": return $"({left} = {args1})";
case "CompareTo": return $"extract(day from ({left}-({args1})))";
case "ToString": return $"to_char({left})";
}
}
return null;
}
public override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);