- 优化 UnionAll + WithTempQuery 嵌套的 SQL;

This commit is contained in:
2881099 2023-11-20 19:17:05 +08:00
parent d204021cf6
commit 1e36bd7822
2 changed files with 125 additions and 101 deletions

View File

@ -1086,82 +1086,6 @@
</summary> </summary>
<returns></returns> <returns></returns>
</member> </member>
<member name="T:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder">
<summary>
动态创建实体类型
</summary>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.#ctor(IFreeSql,System.String,System.Attribute[])">
<summary>
配置Class
</summary>
<param name="className">类名</param>
<param name="attributes">类标记的特性[Table(Name = "xxx")] [Index(xxxx)]</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Property(System.String,System.Type,System.Attribute[])">
<summary>
配置属性
</summary>
<param name="propertyName">属性名称</param>
<param name="propertyType">属性类型</param>
<param name="attributes">属性标记的特性-支持多个</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Property(System.String,System.Type,System.Boolean,System.Attribute[])">
<summary>
配置属性
</summary>
<param name="propertyName">属性名称</param>
<param name="propertyType">属性类型</param>
<param name="isOverride">该属性是否重写父类属性</param>
<param name="attributes">属性标记的特性-支持多个</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Property(System.String,System.Type,System.Boolean,System.Object,System.Attribute[])">
<summary>
配置属性
</summary>
<param name="propertyName">属性名称</param>
<param name="propertyType">属性类型</param>
<param name="isOverride">该属性是否重写父类属性</param>
<param name="defaultValue">属性默认值</param>
<param name="attributes">属性标记的特性-支持多个</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Extend(System.Type)">
<summary>
配置父类
</summary>
<param name="superClass">父类类型</param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.OverrideProperty(System.Reflection.Emit.TypeBuilder@,System.Reflection.Emit.MethodBuilder,FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.PropertyMethodEnum,System.String)">
<summary>
Override属性
</summary>
<param name="typeBuilder"></param>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.Build">
<summary>
Emit动态创建出Class - Type
</summary>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.FirstCharToLower(System.String)">
<summary>
首字母小写
</summary>
<param name="input"></param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.FirstCharToUpper(System.String)">
<summary>
首字母大写
</summary>
<param name="input"></param>
<returns></returns>
</member>
<member name="M:FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetEntityKeyString(IFreeSql,System.Type,System.Object,System.Boolean,System.String)"> <member name="M:FreeSql.Extensions.EntityUtil.EntityUtilExtensions.GetEntityKeyString(IFreeSql,System.Type,System.Object,System.Boolean,System.String)">
<summary> <summary>
获取实体的主键值,以 "*|_,[,_|*" 分割,当任意一个主键属性无值时,返回 null 获取实体的主键值,以 "*|_,[,_|*" 分割,当任意一个主键属性无值时,返回 null
@ -5845,28 +5769,6 @@
请使用 fsql.InsertDict(dict) 方法插入字典数据 请使用 fsql.InsertDict(dict) 方法插入字典数据
</summary> </summary>
</member> </member>
<member name="M:FreeSqlGlobalDynamicEntityExtensions.DynamicEntity(FreeSql.ICodeFirst,System.String,System.Attribute[])">
<summary>
动态构建Class Type
</summary>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalDynamicEntityExtensions.CreateInstance(FreeSql.Internal.Model.TableInfo,System.Collections.Generic.Dictionary{System.String,System.Object})">
<summary>
根据字典,创建 table 对应的实体对象
</summary>
<param name="table"></param>
<param name="dict"></param>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalDynamicEntityExtensions.CreateDictionary(FreeSql.Internal.Model.TableInfo,System.Object)">
<summary>
根据实体对象,创建 table 对应的字典
</summary>
<param name="table"></param>
<param name="instance"></param>
<returns></returns>
</member>
<member name="M:FreeSqlGlobalExpressionCallExtensions.Between(System.DateTime,System.DateTime,System.DateTime)"> <member name="M:FreeSqlGlobalExpressionCallExtensions.Between(System.DateTime,System.DateTime,System.DateTime)">
<summary> <summary>
C# that >= between &amp;&amp; that &lt;= and<para></para> C# that >= between &amp;&amp; that &lt;= and<para></para>
@ -6383,3 +6285,115 @@
</member> </member>
</members> </members>
</doc> </doc>
`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>

View File

@ -213,11 +213,10 @@ namespace FreeSql.Internal.CommonProvider
public ISelect<T1> UnionAll(params ISelect<T1>[] querys) public ISelect<T1> UnionAll(params ISelect<T1>[] querys)
{ {
var sql1 = this.ToSql();
var ret = (_orm as BaseDbProvider).CreateSelectProvider<T1>(null) as Select1Provider<T1>; var ret = (_orm as BaseDbProvider).CreateSelectProvider<T1>(null) as Select1Provider<T1>;
var sb = new StringBuilder().Append(this.ToSql()); var sb = new StringBuilder().Append(LocalGetQuerySql(this));
foreach (var select2 in querys) foreach (var select2 in querys)
sb.Append(" \r\nUNION ALL \r\n").Append(select2.ToSql()); sb.Append(" \r\nUNION ALL \r\n").Append(LocalGetQuerySql(select2));
ret.WithSql(sb.ToString()); ret.WithSql(sb.ToString());
sb.Clear(); sb.Clear();
ret._commandTimeout = _commandTimeout; ret._commandTimeout = _commandTimeout;
@ -229,6 +228,17 @@ namespace FreeSql.Internal.CommonProvider
ret._tables[0] = _tables[0]; ret._tables[0] = _tables[0];
ret._params = _params; ret._params = _params;
return ret; return ret;
string LocalGetQuerySql(ISelect<T1> query)
{
var query2 = query as Select0Provider;
if (query2._diymemexpWithTempQuery == null ||
query2.IsDefaultSqlContent == false) return query.ToSql();
var sql2 = query2._tableRule(query2._tables[0].Table.Type, null);
if (sql2.StartsWith("(") && sql2.EndsWith(")")) sql2 = sql2.Substring(1, sql2.Length - 2);
if (sql2.StartsWith(" \r\n")) sql2 = sql2.Substring(3);
return sql2;
}
} }
public ISelectGrouping<TKey, T1> GroupBy<TKey>(Expression<Func<T1, TKey>> columns) public ISelectGrouping<TKey, T1> GroupBy<TKey>(Expression<Func<T1, TKey>> columns)