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- 修复 IUpdate.Set 表达式解析的 bug；

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This commit is contained in:
28810
2019-06-24 17:03:39 +08:00
parent 4ade1c80b4
commit a708062c97
14 changed files with 61 additions and 41 deletions
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2
FreeSql/FreeSql.csproj
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@@ -2,7 +2,7 @@
<PropertyGroup>
<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
<Version>0.6.12</Version>
<Version>0.6.13</Version>
<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
<Authors>YeXiangQin</Authors>
<Description>FreeSql is the most convenient ORM in dotnet. It supports Mysql, Postgresql, SqlServer, Oracle and Sqlite.</Description>

53
FreeSql/Internal/CommonExpression.cs
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@@ -278,40 +278,51 @@ namespace FreeSql.Internal {
};
public string ExpressionWhereLambdaNoneForeignObject(List<SelectTableInfo> _tables, TableInfo table, List<SelectColumnInfo> _selectColumnMap, Expression exp, Func<Expression[], string> getSelectGroupingMapString) {
var sql = ExpressionLambdaToSql(exp, new ExpTSC { _tables = _tables, _selectColumnMap = _selectColumnMap, getSelectGroupingMapString = getSelectGroupingMapString, tbtype = SelectTableInfoType.From, isQuoteName = true, isDisableDiyParse = false, style = ExpressionStyle.Where, currentTable = table });
if (exp.NodeType == ExpressionType.MemberAccess && exp.Type == typeof(bool) && sql.Contains(" IS ") == false && sql.Contains(" = ") == false)
var isBool = exp.Type.NullableTypeOrThis() == typeof(bool);
if (exp.NodeType == ExpressionType.MemberAccess && isBool && sql.Contains(" IS ") == false && sql.Contains(" = ") == false)
return $"{sql} = {formatSql(true, null)}";
switch (sql) {
case "1":
case "'t'": return "1=1";
case "0":
case "'f'": return "1=2";
default:return sql;
if (isBool) {
switch (sql) {
case "1":
case "'t'": return "1=1";
case "0":
case "'f'": return "1=2";
default: return sql;
}
}
return sql;
}
public string ExpressionWhereLambda(List<SelectTableInfo> _tables, Expression exp, Func<Expression[], string> getSelectGroupingMapString) {
var sql = ExpressionLambdaToSql(exp, new ExpTSC { _tables = _tables, getSelectGroupingMapString = getSelectGroupingMapString, tbtype = SelectTableInfoType.From, isQuoteName = true, isDisableDiyParse = false, style = ExpressionStyle.Where });
if (exp.NodeType == ExpressionType.MemberAccess && exp.Type == typeof(bool) && sql.Contains(" IS ") == false && sql.Contains(" = ") == false)
var isBool = exp.Type.NullableTypeOrThis() == typeof(bool);
if (exp.NodeType == ExpressionType.MemberAccess && isBool && sql.Contains(" IS ") == false && sql.Contains(" = ") == false)
return $"{sql} = {formatSql(true, null)}";
switch (sql) {
case "1":
case "'t'": return "1=1";
case "0":
case "'f'": return "1=2";
default: return sql;
if (isBool) {
switch (sql) {
case "1":
case "'t'": return "1=1";
case "0":
case "'f'": return "1=2";
default: return sql;
}
}
return sql;
}
public void ExpressionJoinLambda(List<SelectTableInfo> _tables, SelectTableInfoType tbtype, Expression exp, Func<Expression[], string> getSelectGroupingMapString) {
var tbidx = _tables.Count;
var sql = ExpressionLambdaToSql(exp, new ExpTSC { _tables = _tables, getSelectGroupingMapString = getSelectGroupingMapString, tbtype = tbtype, isQuoteName = true, isDisableDiyParse = false, style = ExpressionStyle.Where });
if (exp.NodeType == ExpressionType.MemberAccess && exp.Type == typeof(bool) && sql.Contains(" IS ") == false && sql.Contains(" = ") == false)
var isBool = exp.Type.NullableTypeOrThis() == typeof(bool);
if (exp.NodeType == ExpressionType.MemberAccess && isBool && sql.Contains(" IS ") == false && sql.Contains(" = ") == false)
sql = $"{sql} = {formatSql(true, null)}";
switch (sql) {
case "1":
case "'t'": sql = "1=1"; break;
case "0":
case "'f'": sql = "1=2"; break;
default: break;
if (isBool) {
switch (sql) {
case "1":
case "'t'": sql = "1=1"; break;
case "0":
case "'f'": sql = "1=2"; break;
default: break;
}
}
if (_tables.Count > tbidx) {
_tables[tbidx].Type = tbtype;

2
FreeSql/Internal/CommonProvider/UpdateProvider.cs
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@@ -358,7 +358,7 @@ namespace FreeSql.Internal.CommonProvider {
var memberName = initExp.Bindings[a].Member.Name;
if (_table.ColumnsByCsIgnore.ContainsKey(memberName)) continue;
if (_table.ColumnsByCs.TryGetValue(memberName, out var col) == false) throw new Exception($"找不到属性：{memberName}");
var memberValue = _commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, initAssignExp.Expression, null);
var memberValue = _commonExpression.ExpressionLambdaToSql(initAssignExp.Expression, new CommonExpression.ExpTSC { });
_setIncr.Append(", ").Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ").Append(memberValue);
}
}