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- 增加 $"" lambda 解析；

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28810
2020-07-04 19:21:22 +08:00
parent 181813ce1a
commit 1d48f17f81
3 changed files with 32 additions and 17 deletions
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26
FreeSql/Internal/CommonExpression.cs
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@@ -716,7 +716,31 @@ namespace FreeSql.Internal
string other3Exp = null;
switch (callType.FullName)
{
case "System.String": other3Exp = ExpressionLambdaToSqlCallString(exp3, tsc); break;
case "System.String":
//$"{id}_{name}"
if (exp3.Method.Name == "Format" && exp3.Object == null && exp3.Arguments[0].NodeType == ExpressionType.Constant)
{
if (exp3.Arguments.Count == 1) return ExpressionLambdaToSql(exp3.Arguments[0], tsc);
var exp3Args0 = (exp3.Arguments[0] as ConstantExpression)?.Value?.ToString().Replace("{{", "{{_freesql_tMp_fLag_");
var exp3Args1n = exp3.Arguments.Where((a, z) => z > 0).Select(a => ExpressionLambdaToSql(a, tsc)).ToArray();
var exp3Args0Spt = Regex.Split(exp3Args0, @"{(\d+)}");
var exp3ArgsConcatType = new Type[exp3Args0Spt.Length];
exp3Args0Spt[0] = _common.FormatSql("{0}", exp3Args0Spt[0].Replace("{{_freesql_tMp_fLag_", "{{"));
exp3ArgsConcatType[0] = typeof(string);
for (var exp3Args0SptIndex = 1; exp3Args0SptIndex < exp3Args0Spt.Length; exp3Args0SptIndex += 2)
{
var exp3Args1nIndex = int.Parse(exp3Args0Spt[exp3Args0SptIndex]);
exp3Args0Spt[exp3Args0SptIndex] = exp3Args1n[exp3Args1nIndex];
var expArgsType = exp3.Arguments[exp3Args1nIndex + 1];
exp3ArgsConcatType[exp3Args0SptIndex] = (expArgsType as UnaryExpression)?.Operand.Type ?? expArgsType.Type;
exp3Args0Spt[exp3Args0SptIndex + 1] = _common.FormatSql("{0}", exp3Args0Spt[exp3Args0SptIndex + 1].Replace("{{_freesql_tMp_fLag_", "{{"));
exp3ArgsConcatType[exp3Args0SptIndex + 1] = typeof(string);
}
return _common.StringConcat(exp3Args0Spt, exp3ArgsConcatType);
}
other3Exp = ExpressionLambdaToSqlCallString(exp3, tsc);
break;
case "System.Math": other3Exp = ExpressionLambdaToSqlCallMath(exp3, tsc); break;
case "System.DateTime": other3Exp = ExpressionLambdaToSqlCallDateTime(exp3, tsc); break;
case "System.TimeSpan": other3Exp = ExpressionLambdaToSqlCallTimeSpan(exp3, tsc); break;