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- 增加 "x1".First/FirstOrDefault 表达式函数解析；

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This commit is contained in:
28810
2020-07-31 02:28:37 +08:00
parent f63a69c55c
commit af153295f8
33 changed files with 364 additions and 1 deletions
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10
Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengExpression.cs
View File

@ -100,6 +100,16 @@ namespace FreeSql.Odbc.Dameng
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
if (objType == typeof(string))
{
switch (callExp.Method.Name)
{
case "First":
case "FirstOrDefault":
return $"substr({getExp(callExp.Arguments[0])}, 1, 1)";
}
}
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArrayOrList())

10
Providers/FreeSql.Provider.Odbc/Default/OdbcExpression.cs
View File

@ -104,6 +104,16 @@ namespace FreeSql.Odbc.Default
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
if (objType == typeof(string))
{
switch (callExp.Method.Name)
{
case "First":
case "FirstOrDefault":
return _utils.Adapter.LambdaString_Substring(getExp(callExp.Arguments[0]), "1", "1");
}
}
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArrayOrList())

10
Providers/FreeSql.Provider.Odbc/KingbaseES/OdbcKingbaseESExpression.cs
View File

@ -101,6 +101,16 @@ namespace FreeSql.Odbc.KingbaseES
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
if (objType == typeof(string))
{
switch (callExp.Method.Name)
{
case "First":
case "FirstOrDefault":
return $"substr({getExp(callExp.Arguments[0])}, 1, 1)";
}
}
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArrayOrList())

10
Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlExpression.cs
View File

@ -96,6 +96,16 @@ namespace FreeSql.Odbc.MySql
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
if (objType == typeof(string))
{
switch (callExp.Method.Name)
{
case "First":
case "FirstOrDefault":
return $"substr({getExp(callExp.Arguments[0])}, 1, 1)";
}
}
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArrayOrList())

10
Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleExpression.cs
View File

@ -100,6 +100,16 @@ namespace FreeSql.Odbc.Oracle
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
if (objType == typeof(string))
{
switch (callExp.Method.Name)
{
case "First":
case "FirstOrDefault":
return $"substr({getExp(callExp.Arguments[0])}, 1, 1)";
}
}
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArrayOrList())

10
Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLExpression.cs
View File

@ -101,6 +101,16 @@ namespace FreeSql.Odbc.PostgreSQL
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
if (objType == typeof(string))
{
switch (callExp.Method.Name)
{
case "First":
case "FirstOrDefault":
return $"substr({getExp(callExp.Arguments[0])}, 1, 1)";
}
}
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArrayOrList())

10
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerExpression.cs
View File

@ -106,6 +106,16 @@ namespace FreeSql.Odbc.SqlServer
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
if (objType == typeof(string))
{
switch (callExp.Method.Name)
{
case "First":
case "FirstOrDefault":
return $"substr({getExp(callExp.Arguments[0])}, 1, 1)";
}
}
}
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null || objType.IsArrayOrList())