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- 移除 TimeSpan 过度 Lambda 解析；

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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
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66
Providers/FreeSql.Provider.GBase/GBaseExpression.cs
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@ -222,35 +222,6 @@ namespace FreeSql.GBase
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Zero": return "0";
case "MinValue": return "interval(0) day(9) to fraction"; //秒 Ticks / 1000,000,0
case "MaxValue": return "interval(99 23:59:59.999) day(9) to fraction";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Days": return $"({left})::interval day(9) to day::varchar(40)::int8";
case "Hours": return $"substr(substring_index(({left})::varchar(40),' ',-1),1,2)::int8";
case "Milliseconds": return $"substring_index(({left})::varchar(40),'.',-1)::int8";
case "Minutes": return $"substr(substring_index(({left})::varchar(40),' ',-1),4,2)::int8";
case "Seconds": return $"substr(substring_index(({left})::varchar(40),' ',-1),7,2)::int8";
case "Ticks": return $"(({left})::interval day(9) to day::varchar(40)::int8 *24*60*60*1000 + substr(substring_index(({left})::varchar(40),' ',-1),1,2)::int8 *60*60*1000 + substr(substring_index(({left})::varchar(40),' ',-1),4,2)::int8 *60*1000 + substr(substring_index(({left})::varchar(40),' ',-1),7,2)::int8 *1000 + substring_index(({left})::varchar(40),'.',-1)::int8) * 10000";
case "TotalDays": return $"(({left})::interval day(9) to day::varchar(40)::int8 *24 + substr(substring_index(({left})::varchar(40),' ',-1),1,2)::int8) /24.0";
case "TotalHours": return $"(({left})::interval day(9) to day::varchar(40)::int8 *24*60 + substr(substring_index(({left})::varchar(40),' ',-1),1,2)::int8 *60 + substr(substring_index(({left})::varchar(40),' ',-1),4,2)::int8) /60.0";
case "TotalMilliseconds": return $"(({left})::interval day(9) to day::varchar(40)::int8 *24*60*60*1000 + substr(substring_index(({left})::varchar(40),' ',-1),1,2)::int8 *60*60*1000 + substr(substring_index(({left})::varchar(40),' ',-1),4,2)::int8 *60*1000 + substr(substring_index(({left})::varchar(40),' ',-1),7,2)::int8 *1000 + substring_index(({left})::varchar(40),'.',-1)::int8)";
case "TotalMinutes": return $"(({left})::interval day(9) to day::varchar(40)::int8 *24*60*60 + substr(substring_index(({left})::varchar(40),' ',-1),1,2)::int8 *60*60 + substr(substring_index(({left})::varchar(40),' ',-1),4,2)::int8 *60 + substr(substring_index(({left})::varchar(40),' ',-1),7,2)::int8) /60.0";
case "TotalSeconds": return $"(({left})::interval day(9) to day::varchar(40)::int8 *24*60*60*1000 + substr(substring_index(({left})::varchar(40),' ',-1),1,2)::int8 *60*60*1000 + substr(substring_index(({left})::varchar(40),' ',-1),4,2)::int8 *60*1000 + substr(substring_index(({left})::varchar(40),' ',-1),7,2)::int8 *1000 + substring_index(({left})::varchar(40),'.',-1)::int8) /1000.0";
}
return null;
}
public override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc)
{
@ -424,7 +395,6 @@ namespace FreeSql.GBase
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}) units day)";
case "AddHours": return $"({left} + ({args1}) units hour)";
case "AddMilliseconds": return $"({left} + ({args1})/1000 units fraction)";
@ -513,42 +483,6 @@ namespace FreeSql.GBase
}
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 $"({getExp(exp.Arguments[0])} - ({getExp(exp.Arguments[1])}))";
case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})";
case "FromDays": return $"(interval(0) day(9) to fraction + ({getExp(exp.Arguments[0])}) units day)";
case "FromHours": return $"(interval(0) day(9) to fraction + ({getExp(exp.Arguments[0])}) units hour)";
case "FromMilliseconds": return $"(interval(0) day(9) to fraction + ({getExp(exp.Arguments[0])})/1000 units fraction)";
case "FromMinutes": return $"(interval(0) day(9) to fraction + ({getExp(exp.Arguments[0])}) units minute)";
case "FromSeconds": return $"(interval(0) day(9) to fraction + ({getExp(exp.Arguments[0])}) units second)";
case "FromTicks": return $"(interval(0) day(9) to fraction + ({getExp(exp.Arguments[0])})/10000000 units fraction)";
case "Parse": return $"cast({getExp(exp.Arguments[0])} as interval day(9) to fraction)";
case "ParseExact":
case "TryParse":
case "TryParseExact": return $"cast({getExp(exp.Arguments[0])} as interval day(9) to fraction)";
}
}
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 $"({left} - ({args1}))";
case "ToString": return $"cast({left} as varchar(50))";
}
}
return null;
}
public override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);