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- 完善 $"{id}_{name}" lambda 解析与测试；

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This commit is contained in:
28810
2020-07-05 06:32:13 +08:00
parent 1d48f17f81
commit d61997d1b2
33 changed files with 442 additions and 35 deletions
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8
Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengExpression.cs
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@ -77,7 +77,7 @@ namespace FreeSql.Odbc.Dameng
case "NewGuid":
return null;
case "Next":
if (callExp.Object?.Type == typeof(Random)) return "cast(dbms_random.value*1000000000 as smallint)";
if (callExp.Object?.Type == typeof(Random)) return "cast(dbms_random.value*1000000000 as number)";
return null;
case "NextDouble":
if (callExp.Object?.Type == typeof(Random)) return "dbms_random.value";
@ -222,7 +222,7 @@ namespace FreeSql.Odbc.Dameng
{
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})),2,3) as number)";
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";
@ -250,6 +250,10 @@ namespace FreeSql.Odbc.Dameng
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), null);
case "Format":
if (exp.Arguments[0].NodeType != ExpressionType.Constant) throw new Exception($"未实现函数表达式 {exp} 解析，参数 {exp.Arguments[0]} 必须为常量");
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a => $"'||({ExpressionLambdaToSql(a, tsc)})||'").ToArray();
return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs);
}
}
else

4
Providers/FreeSql.Provider.Odbc/KingbaseES/OdbcKingbaseESExpression.cs
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@ -314,6 +314,10 @@ namespace FreeSql.Odbc.KingbaseES
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), null);
case "Format":
if (exp.Arguments[0].NodeType != ExpressionType.Constant) throw new Exception($"未实现函数表达式 {exp} 解析，参数 {exp.Arguments[0]} 必须为常量");
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a => $"'||({ExpressionLambdaToSql(a, tsc)})||'").ToArray();
return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs);
}
}
else

5
Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlExpression.cs
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@ -246,6 +246,11 @@ namespace FreeSql.Odbc.MySql
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), null);
case "Format":
if (exp.Arguments[0].NodeType != ExpressionType.Constant) throw new Exception($"未实现函数表达式 {exp} 解析，参数 {exp.Arguments[0]} 必须为常量");
if (exp.Arguments.Count == 1) return ExpressionLambdaToSql(exp.Arguments[0], tsc);
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a => $"',{ExpressionLambdaToSql(a, tsc)},'").ToArray();
return $"concat({string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs)})";
}
}
else

6
Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleExpression.cs
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@ -222,7 +222,7 @@ namespace FreeSql.Odbc.Oracle
{
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})),2,3) as number)";
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";
@ -250,6 +250,10 @@ namespace FreeSql.Odbc.Oracle
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), null);
case "Format":
if (exp.Arguments[0].NodeType != ExpressionType.Constant) throw new Exception($"未实现函数表达式 {exp} 解析，参数 {exp.Arguments[0]} 必须为常量");
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a => $"'||({ExpressionLambdaToSql(a, tsc)})||'").ToArray();
return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs);
}
}
else

4
Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLExpression.cs
View File

@ -336,6 +336,10 @@ namespace FreeSql.Odbc.PostgreSQL
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), null);
case "Format":
if (exp.Arguments[0].NodeType != ExpressionType.Constant) throw new Exception($"未实现函数表达式 {exp} 解析，参数 {exp.Arguments[0]} 必须为常量");
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a => $"'||({ExpressionLambdaToSql(a, tsc)})||'").ToArray();
return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs);
}
}
else

14
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerExpression.cs
View File

@ -256,6 +256,20 @@ namespace FreeSql.Odbc.SqlServer
return $"({arg2} is null or {arg2} = '' or ltrim({arg2}) = '')";
case "Concat":
return _common.StringConcat(exp.Arguments.Select(a => getExp(a)).ToArray(), exp.Arguments.Select(a => a.Type).ToArray());
case "Format":
if (exp.Arguments[0].NodeType != ExpressionType.Constant) throw new Exception($"未实现函数表达式 {exp} 解析，参数 {exp.Arguments[0]} 必须为常量");
var expArgs0 = ExpressionLambdaToSql(exp.Arguments[0], tsc);
if (exp.Arguments.Count == 1) return expArgs0;
var nchar = expArgs0.StartsWith("N'") ? "N" : "";
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a =>
{
var atype = (a as UnaryExpression)?.Operand.Type.NullableTypeOrThis() ?? a.Type.NullableTypeOrThis();
if (atype == typeof(string)) return $"'+({ExpressionLambdaToSql(a, tsc)})+{nchar}'";
if (atype == typeof(Guid)) return $"'+cast({ExpressionLambdaToSql(a, tsc)} as char(36))+{nchar}'";
if (atype.IsNumberType()) return $"'+cast({ExpressionLambdaToSql(a, tsc)} as varchar)+{nchar}'";
return $"'+cast({ExpressionLambdaToSql(a, tsc)} as nvarchar(max))+{nchar}'";
}).ToArray();
return string.Format(expArgs0, expArgs);
}
}
else