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Optimize inner expression parser

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28810 2020-06-19 16:56:52 +08:00
parent c88efe24d1
commit 31e4b2d8fa
2 changed files with 2 additions and 16 deletions
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16
FreeSql.DbContext/FreeSql.DbContext.xml
View File

@ -125,13 +125,6 @@
清空状态数据 清空状态数据
</summary> </summary>
</member> </member>
<member name="M:FreeSql.DbSet`1.RemoveAsync(System.Linq.Expressions.Expression{System.Func{`0,System.Boolean}})">
<summary>
根据 lambda 条件删除数据
</summary>
<param name="predicate"></param>
<returns></returns>
</member>
<member name="M:FreeSql.DbSet`1.Add(`0)"> <member name="M:FreeSql.DbSet`1.Add(`0)">
<summary> <summary>
添加 添加
@ -486,14 +479,5 @@
<param name="that"></param> <param name="that"></param>
<returns></returns> <returns></returns>
</member> </member>
<member name="M:Microsoft.Extensions.DependencyInjection.FreeSqlRepositoryDependencyInjection.AddFreeRepository(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Action{FreeSql.FluentDataFilter},System.Reflection.Assembly[])">
<summary>
批量注入 Repository，可以参考代码自行调整
</summary>
<param name="services"></param>
<param name="globalDataFilter"></param>
<param name="assemblies"></param>
<returns></returns>
</member>
</members> </members>
</doc> </doc>

2
FreeSql/Internal/CommonExpression.cs
View File

@ -341,6 +341,7 @@ namespace FreeSql.Internal
case ExpressionType.Lambda: return ExpressionSelectColumns_MemberAccess_New_NewArrayInit(_tables, (exp as LambdaExpression)?.Body, isQuoteName, getSelectGroupingMapString); case ExpressionType.Lambda: return ExpressionSelectColumns_MemberAccess_New_NewArrayInit(_tables, (exp as LambdaExpression)?.Body, isQuoteName, getSelectGroupingMapString);
case ExpressionType.Convert: return ExpressionSelectColumns_MemberAccess_New_NewArrayInit(_tables, (exp as UnaryExpression)?.Operand, isQuoteName, getSelectGroupingMapString); case ExpressionType.Convert: return ExpressionSelectColumns_MemberAccess_New_NewArrayInit(_tables, (exp as UnaryExpression)?.Operand, isQuoteName, getSelectGroupingMapString);
case ExpressionType.Constant: return new[] { ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, isQuoteName, getSelectGroupingMapString) }; case ExpressionType.Constant: return new[] { ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, isQuoteName, getSelectGroupingMapString) };
case ExpressionType.Call:
case ExpressionType.MemberAccess: return ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, isQuoteName, getSelectGroupingMapString).Trim('(', ')', '\'').Split(new[] { "','" }, StringSplitOptions.RemoveEmptyEntries); case ExpressionType.MemberAccess: return ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, isQuoteName, getSelectGroupingMapString).Trim('(', ')', '\'').Split(new[] { "','" }, StringSplitOptions.RemoveEmptyEntries);
case ExpressionType.New: case ExpressionType.New:
var newExp = exp as NewExpression; var newExp = exp as NewExpression;
@ -354,6 +355,7 @@ namespace FreeSql.Internal
var newArrMembers = new List<string>(); var newArrMembers = new List<string>();
foreach (var newArrExp in newArr.Expressions) newArrMembers.AddRange(ExpressionSelectColumns_MemberAccess_New_NewArrayInit(_tables, newArrExp, isQuoteName, getSelectGroupingMapString)); foreach (var newArrExp in newArr.Expressions) newArrMembers.AddRange(ExpressionSelectColumns_MemberAccess_New_NewArrayInit(_tables, newArrExp, isQuoteName, getSelectGroupingMapString));
return newArrMembers.Distinct().Select(a => a.Trim('\'')).ToArray(); return newArrMembers.Distinct().Select(a => a.Trim('\'')).ToArray();
default: throw new ArgumentException($"无法解析表达式：{exp}");
} }
return new string[0]; return new string[0];
} }