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

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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.MySql/MySqlExpression.cs
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@ -251,7 +251,7 @@ namespace FreeSql.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)})";
}
}