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- 完善 $"{a.Code}_{a.Id}" lambda 解析，防止 null 相连；

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This commit is contained in:
28810
2020-07-26 09:34:49 +08:00
parent 4a2d30298b
commit e80f179663
30 changed files with 55 additions and 51 deletions
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2
Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengExpression.cs
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@ -252,7 +252,7 @@ namespace FreeSql.Odbc.Dameng
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();
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a => $"'||{_common.IsNull(ExpressionLambdaToSql(a, tsc), "''")}||'").ToArray();
return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs);
}
}

7
Providers/FreeSql.Provider.Odbc/KingbaseES/OdbcKingbaseESExpression.cs
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@ -316,7 +316,12 @@ namespace FreeSql.Odbc.KingbaseES
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();
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 $"'||{_common.IsNull(ExpressionLambdaToSql(a, tsc), "''")}||'";
return $"'||{_common.IsNull($"({ExpressionLambdaToSql(a, tsc)})::text", "''")}||'";
}).ToArray();
return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs);
}
}

2
Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlExpression.cs
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@ -249,7 +249,7 @@ namespace FreeSql.Odbc.MySql
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();
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a => $"',{_common.IsNull(ExpressionLambdaToSql(a, tsc), "''")},'").ToArray();
return $"concat({string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs)})";
}
}

2
Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleExpression.cs
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@ -252,7 +252,7 @@ namespace FreeSql.Odbc.Oracle
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();
var expArgs = exp.Arguments.Where((a, z) => z > 0).Select(a => $"'||{_common.IsNull(ExpressionLambdaToSql(a, tsc), "''")}||'").ToArray();
return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs);
}
}

7
Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLExpression.cs
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@ -338,7 +338,12 @@ namespace FreeSql.Odbc.PostgreSQL
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();
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 $"'||{_common.IsNull(ExpressionLambdaToSql(a, tsc), "''")}||'";
return $"'||{_common.IsNull($"({ExpressionLambdaToSql(a, tsc)})::text", "''")}||'";
}).ToArray();
return string.Format(ExpressionLambdaToSql(exp.Arguments[0], tsc), expArgs);
}
}

8
Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerExpression.cs
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@ -264,10 +264,10 @@ namespace FreeSql.Odbc.SqlServer
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}'";
if (atype == typeof(string)) return $"'+{_common.IsNull(ExpressionLambdaToSql(a, tsc), "''")}+{nchar}'";
if (atype == typeof(Guid)) return $"'+{_common.IsNull($"cast({ExpressionLambdaToSql(a, tsc)} as char(36))", "''")}+{nchar}'";
if (atype.IsNumberType()) return $"'+{_common.IsNull($"cast({ExpressionLambdaToSql(a, tsc)} as varchar)", "''")}+{nchar}'";
return $"'+{_common.IsNull($"cast({ExpressionLambdaToSql(a, tsc)} as nvarchar(max))", "''")}+{nchar}'";
}).ToArray();
return string.Format(expArgs0, expArgs);
}