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repair bug: ILIst.Contains Expression #16

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This commit is contained in:
28810
2019-03-16 18:24:57 +08:00
parent c7394b78e7
commit 4667698d54
10 changed files with 191 additions and 10 deletions
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25
FreeSql/Sqlite/SqliteExpression.cs
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@ -1,6 +1,7 @@
using FreeSql.Internal;
using FreeSql.Internal.Model;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
@ -21,7 +22,7 @@ namespace FreeSql.Sqlite {
if (objType?.FullName == "System.Byte[]") return null;
var argIndex = 0;
if (objType == null && callExp.Method.DeclaringType.FullName == typeof(Enumerable).FullName) {
if (objType == null && callExp.Method.DeclaringType == typeof(Enumerable)) {
objExp = callExp.Arguments.FirstOrDefault();
objType = objExp?.Type;
argIndex++;
@ -29,7 +30,7 @@ namespace FreeSql.Sqlite {
if (objType == null) objType = callExp.Method.DeclaringType;
if (objType != null) {
var left = objExp == null ? null : getExp(objExp);
if (objType.IsArray == true) {
if (objType.IsArray || typeof(IList).IsAssignableFrom(callExp.Method.DeclaringType)) {
switch (callExp.Method.Name) {
case "Contains":
//判断 in
@ -46,7 +47,27 @@ namespace FreeSql.Sqlite {
if (a > 0) arrSb.Append(",");
arrSb.Append(getExp(arrExp.Expressions[a]));
}
if (arrSb.Length == 1) arrSb.Append("NULL");
return arrSb.Append(")").ToString();
case ExpressionType.ListInit:
var listExp = exp as ListInitExpression;
var listSb = new StringBuilder();
listSb.Append("(");
for (var a = 0; a < listExp.Initializers.Count; a++) {
if (listExp.Initializers[a].Arguments.Any() == false) continue;
if (a > 0) listSb.Append(",");
listSb.Append(getExp(listExp.Initializers[a].Arguments.FirstOrDefault()));
}
if (listSb.Length == 1) listSb.Append("NULL");
return listSb.Append(")").ToString();
case ExpressionType.New:
var newExp = exp as NewExpression;
if (typeof(IList).IsAssignableFrom(newExp.Type)) {
if (newExp.Arguments.Count == 0) return "(NULL)";
if (typeof(IEnumerable).IsAssignableFrom(newExp.Arguments[0].Type) == false) return "(NULL)";
return getExp(newExp.Arguments[0]);
}
return null;
}
return null;
}