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- 修复 lambda 表达式解析变量转换时的 bug；#490

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28810
2020-10-14 20:40:59 +08:00
parent 38d8a3756c
commit 013a7ada36
4 changed files with 169 additions and 204 deletions
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16
FreeSql.DbContext/FreeSql.DbContext.xml
View File

@@ -130,13 +130,6 @@
清空状态数据
</summary>
</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)">
<summary>
添加
@@ -532,14 +525,5 @@
<param name="that"></param>
<returns></returns>
</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>
</doc>

7
FreeSql.Tests/FreeSql.Tests/MySql/MySqlCodeFirstTest.cs
View File

@@ -421,6 +421,13 @@ namespace FreeSql.Tests.MySql
var items = select.ToList();
var itemstb = select.ToDataTable();
var sql1 = select.Where(a => a.testFieldInt == (int)Tb_alltypeTESTFIELDENUM1.E2).ToSql();
var sql2id = (int)Tb_alltypeTESTFIELDENUM1.E2;
var sql2 = select.Where(a => a.testFieldInt == sql2id).ToSql();
var sql3id = Tb_alltypeTESTFIELDENUM1.E2;
var sql4 = select.Where(a => a.testFieldInt == (int)sql3id).ToSql();
}

347
FreeSql/FreeSql.xml
View File

@@ -2997,6 +2997,154 @@
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteConnectTestAsync(System.Int32)">
<summary>
测试数据库是否连接正确，本方法执行如下命令：<para></para>
MySql/SqlServer/PostgreSQL/达梦/人大金仓/神通: SELECT 1<para></para>
Oracle: SELECT 1 FROM dual<para></para>
</summary>
<param name="commandTimeout">命令超时设置(秒)</param>
<returns>true: 成功, false: 失败</returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
查询，若使用读写分离，查询【从库】条件cmdText.StartsWith("SELECT ")，否则查询【主库】
</summary>
<param name="readerHander"></param>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteReaderAsync(System.Func{FreeSql.Internal.Model.FetchCallbackArgs{System.Data.Common.DbDataReader},System.Threading.Tasks.Task},System.String,System.Object)">
<summary>
查询，ExecuteReaderAsync(dr => {}, "select * from user where age > ?age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
查询
</summary>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.String,System.Object)">
<summary>
查询，ExecuteArrayAsync("select * from user where age > ?age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
查询
</summary>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.String,System.Object)">
<summary>
查询，ExecuteDataSetAsync("select * from user where age > ?age; select 2", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
查询
</summary>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.String,System.Object)">
<summary>
查询，ExecuteDataTableAsync("select * from user where age > ?age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.String,System.Object)">
<summary>
在【主库】执行，ExecuteNonQueryAsync("delete from user where age > ?age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.String,System.Object)">
<summary>
在【主库】执行，ExecuteScalarAsync("select 1 from user where age > ?age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > ?age", new SqlParameter { ParameterName = "age", Value = 25 })
</summary>
<typeparam name="T"></typeparam>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.String,System.Object)">
<summary>
执行SQL返回对象集合，QueryAsync&lt;User&gt;("select * from user where age > ?age", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<typeparam name="T"></typeparam>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.Data.CommandType,System.String,System.Data.Common.DbParameter[])">
<summary>
执行SQL返回对象集合，Query&lt;User&gt;("select * from user where age > ?age; select * from address", new SqlParameter { ParameterName = "age", Value = 25 })
</summary>
<typeparam name="T1"></typeparam>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.String,System.Object)">
<summary>
执行SQL返回对象集合，Query&lt;User, Address&gt;("select * from user where age > ?age; select * from address", new { age = 25 })<para></para>
提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
</summary>
<typeparam name="T1"></typeparam>
<param name="cmdText"></param>
<param name="parms"></param>
<returns></returns>
</member>
<member name="E:FreeSql.IAop.ParseExpression">
<summary>
可自定义解析表达式
@@ -3803,6 +3951,12 @@
<param name="timeout">超时</param>
<returns></returns>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.GetAsync">
<summary>
获取资源
</summary>
<returns></returns>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IObjectPool`1.Return(FreeSql.Internal.ObjectPool.Object{`0},System.Boolean)">
<summary>
使用完毕后，归还资源
@@ -3873,6 +4027,12 @@
</summary>
<param name="obj">资源对象</param>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnGetAsync(FreeSql.Internal.ObjectPool.Object{`0})">
<summary>
从对象池获取对象成功的时候触发，通过该方法统计或初始化对象
</summary>
<param name="obj">资源对象</param>
</member>
<member name="M:FreeSql.Internal.ObjectPool.IPolicy`1.OnReturn(FreeSql.Internal.ObjectPool.Object{`0})">
<summary>
归还对象给对象池的时候触发
@@ -4483,190 +4643,3 @@
</member>
</members>
</doc>
essions.Expression{System.Func{``0,``1,``2,``3,``4,System.Boolean}},System.Linq.Expressions.Expression{System.Func{``0,``1,``2,``3,``4,System.Boolean}})">
<summary>
使用 and 拼接两个 lambda 表达式
</summary>
<returns></returns>
</member>
<member name="M:System.Linq.Expressions.LambadaExpressionExtensions.And``5(System.Linq.Expressions.Expression{System.Func{``0,``1,``2,``3,``4,System.Boolean}},System.Boolean,System.Linq.Expressions.Expression{System.Func{``0,``1,``2,``3,``4,System.Boolean}})">
<summary>
使用 and 拼接两个 lambda 表达式
</summary>
<param name="exp1"></param>
<param name="condition">true 时生效</param>
<param name="exp2"></param>
<returns></returns>
</member>
<member name="M:System.Linq.Expressions.LambadaExpressionExtensions.Or``5(System.Linq.Expressions.Expression{System.Func{``0,``1,``2,``3,``4,System.Boolean}},System.Linq.Expressions.Expression{System.Func{``0,``1,``2,``3,``4,System.Boolean}})">
<summary>
使用 or 拼接两个 lambda 表达式
</summary>
<returns></returns>
</member>
<member name="M:System.Linq.Expressions.LambadaExpressionExtensions.Or``5(System.Linq.Expressions.Expression{System.Func{``0,``1,``2,``3,``4,System.Boolean}},System.Boolean,System.Linq.Expressions.Expression{System.Func{``0,``1,``2,``3,``4,System.Boolean}})">
<summary>
使用 or 拼接两个 lambda 表达式
</summary>
<param name="exp1"></param>
<param name="condition">true 时生效</param>
<param name="exp2"></param>
<returns></returns>
</member>
<member name="M:System.Linq.Expressions.LambadaExpressionExtensions.Not``5(System.Linq.Expressions.Expression{System.Func{``0,``1,``2,``3,``4,System.Boolean}},System.Boolean)">
<summary>
将 lambda 表达式取反
</summary>
<param name="exp"></param>
<param name="condition">true 时生效</param>
<returns></returns>
</member>
<member name="M:FreeUtil.NewMongodbId">
<summary>
生成类似Mongodb的ObjectId有序、不重复Guid
</summary>
<returns></returns>
</member>
<member name="M:IFreeSql.Insert``1">
<summary>
插入数据
</summary>
<typeparam name="T1"></typeparam>
<returns></returns>
</member>
<member name="M:IFreeSql.Insert``1(``0)">
<summary>
插入数据，传入实体
</summary>
<typeparam name="T1"></typeparam>
<param name="source"></param>
<returns></returns>
</member>
<member name="M:IFreeSql.Insert``1(``0[])">
<summary>
插入数据，传入实体数组
</summary>
<typeparam name="T1"></typeparam>
<param name="source"></param>
<returns></returns>
</member>
<member name="M:IFreeSql.Insert``1(System.Collections.Generic.List{``0})">
<summary>
插入数据，传入实体集合
</summary>
<typeparam name="T1"></typeparam>
<param name="source"></param>
<returns></returns>
</member>
<member name="M:IFreeSql.Insert``1(System.Collections.Generic.IEnumerable{``0})">
<summary>
插入数据，传入实体集合
</summary>
<typeparam name="T1"></typeparam>
<param name="source"></param>
<returns></returns>
</member>
<member name="M:IFreeSql.InsertOrUpdate``1">
<summary>
插入或更新数据，此功能依赖数据库特性（低版本可能不支持），参考如下：<para></para>
MySql 5.6+: on duplicate key update<para></para>
PostgreSQL 9.4+: on conflict do update<para></para>
SqlServer 2008+: merge into<para></para>
Oracle 11+: merge into<para></para>
Sqlite: replace into<para></para>
达梦: merge into<para></para>
人大金仓：on conflict do update<para></para>
神通：merge into<para></para>
MsAccess：不支持<para></para>
注意区别：FreeSql.Repository 仓储也有 InsertOrUpdate 方法（不依赖数据库特性）
</summary>
<typeparam name="T1"></typeparam>
<returns></returns>
</member>
<member name="M:IFreeSql.Update``1">
<summary>
修改数据
</summary>
<typeparam name="T1"></typeparam>
<returns></returns>
</member>
<member name="M:IFreeSql.Update``1(System.Object)">
<summary>
修改数据，传入动态条件，如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
</summary>
<typeparam name="T1"></typeparam>
<param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
<returns></returns>
</member>
<member name="M:IFreeSql.Select``1">
<summary>
查询数据
</summary>
<typeparam name="T1"></typeparam>
<returns></returns>
</member>
<member name="M:IFreeSql.Select``1(System.Object)">
<summary>
查询数据，传入动态条件，如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
</summary>
<typeparam name="T1"></typeparam>
<param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
<returns></returns>
</member>
<member name="M:IFreeSql.Delete``1">
<summary>
删除数据
</summary>
<typeparam name="T1"></typeparam>
<returns></returns>
</member>
<member name="M:IFreeSql.Delete``1(System.Object)">
<summary>
删除数据，传入动态条件，如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
</summary>
<typeparam name="T1"></typeparam>
<param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
<returns></returns>
</member>
<member name="M:IFreeSql.Transaction(System.Action)">
<summary>
开启事务（不支持异步）<para></para>
v1.5.0 关闭了线程事务超时自动提交的机制
</summary>
<param name="handler">事务体 () => {}</param>
</member>
<member name="M:IFreeSql.Transaction(System.Data.IsolationLevel,System.Action)">
<summary>
开启事务（不支持异步）<para></para>
v1.5.0 关闭了线程事务超时自动提交的机制
</summary>
<param name="isolationLevel"></param>
<param name="handler">事务体 () => {}</param>
</member>
<member name="P:IFreeSql.Ado">
<summary>
数据库访问对象
</summary>
</member>
<member name="P:IFreeSql.Aop">
<summary>
所有拦截方法都在这里
</summary>
</member>
<member name="P:IFreeSql.CodeFirst">
<summary>
CodeFirst 模式开发相关方法
</summary>
</member>
<member name="P:IFreeSql.DbFirst">
<summary>
DbFirst 模式开发相关方法
</summary>
</member>
<member name="P:IFreeSql.GlobalFilter">
<summary>
全局过滤设置，可默认附加为 Select/Update/Delete 条件
</summary>
</member>
</members>
</doc>

3
FreeSql/Internal/CommonExpression.cs
View File

@@ -680,7 +680,8 @@ namespace FreeSql.Internal
case ExpressionType.ConvertChecked:
//var othercExp = ExpressionLambdaToSqlOther(exp, tsc);
//if (string.IsNullOrEmpty(othercExp) == false) return othercExp;
return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, tsc);
if (exp.IsParameter()) return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, tsc);
return formatSql(Expression.Lambda(exp).Compile().DynamicInvoke(), tsc.mapType, tsc.mapColumnTmp, tsc.dbParams); //bug: Where(a => a.Id = (int)enum)
case ExpressionType.Negate:
case ExpressionType.NegateChecked: return "-" + ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, tsc);
case ExpressionType.Constant: return formatSql((exp as ConstantExpression)?.Value, tsc.mapType, tsc.mapColumnTmp, null);