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- 优化 Ado读写分离存储过程默认使用从库；#1833

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2881099
2024-06-25 12:35:58 +08:00
parent c9a311de9b
commit ca80fbafc7
5 changed files with 306 additions and 5 deletions
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2
FreeSql/Extensions/FreeSqlGlobalExtensions.cs
View File

@@ -833,7 +833,7 @@ JOIN {select._commonUtils.QuoteSqlName(tbDbName)} a ON cte_tbc.cte_id = a.{selec
#endif
var nsselsb = new StringBuilder();
if (AdoProvider.IsFromSlave(select._select) == false) nsselsb.Append(' '); //读写分离规则，如果强制读主库，则在前面加个空格
if (AdoProvider.IsFromSlave(select._select, CommandType.Text) == false) nsselsb.Append(' '); //读写分离规则，如果强制读主库，则在前面加个空格
nsselsb.Append("WITH ");
switch (select._orm.Ado.DataType)
{

299
FreeSql/FreeSql.xml
View File

@@ -1104,6 +1104,93 @@
</summary>
<returns></returns>
</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="P:FreeSql.Extensions.DynamicEntity.DynamicCompileBuilder.TypeBuilder">
<summary>
获取类型构建器，可作为要构建的Type来引用
</summary>
</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.BuildJustType">
<summary>
Emit动态创建出Class - Type，不附带获取TableInfo
</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)">
<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 ""
@@ -3283,6 +3370,13 @@
</summary>
<returns></returns>
</member>
<member name="M:FreeSql.IUpdate`1.ExecuteUpdatedAsync(System.Threading.CancellationToken)">
<summary>
执行SQL语句，返回更新后的记录<para></para>
注意：此方法只有 Postgresql/SqlServer 有效果
</summary>
<returns></returns>
</member>
<member name="M:FreeSql.IUpdateJoin`2.WithTransaction(System.Data.Common.DbTransaction)">
<summary>
指定事务对象
@@ -3627,6 +3721,177 @@
<param name="parms"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteConnectTestAsync(System.Int32,System.Threading.CancellationToken)">
<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>
<param name="cancellationToken"></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[],System.Threading.CancellationToken)">
<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>
<param name="cancellationToken"></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,System.Threading.CancellationToken)">
<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="readerHander"></param>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteArrayAsync(System.String,System.Object,System.Threading.CancellationToken)">
<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>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataSetAsync(System.String,System.Object,System.Threading.CancellationToken)">
<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>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
查询
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteDataTableAsync(System.String,System.Object,System.Threading.CancellationToken)">
<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>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteNonQueryAsync(System.String,System.Object,System.Threading.CancellationToken)">
<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>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<summary>
在【主库】执行
</summary>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
</member>
<member name="M:FreeSql.IAdo.ExecuteScalarAsync(System.String,System.Object,System.Threading.CancellationToken)">
<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>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<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>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``1(System.String,System.Object,System.Threading.CancellationToken)">
<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>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.Data.CommandType,System.String,System.Data.Common.DbParameter[],System.Threading.CancellationToken)">
<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>
<typeparam name="T2"></typeparam>
<param name="cmdType"></param>
<param name="cmdText"></param>
<param name="cmdParms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="M:FreeSql.IAdo.QueryAsync``2(System.String,System.Object,System.Threading.CancellationToken)">
<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>
<typeparam name="T2"></typeparam>
<param name="cmdText"></param>
<param name="parms"></param>
<param name="cancellationToken"></param>
<returns></returns>
</member>
<member name="E:FreeSql.IAop.ParseExpression">
<summary>
可自定义解析表达式
@@ -4626,6 +4891,12 @@
<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
@@ -4701,6 +4972,12 @@
</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
@@ -5631,6 +5908,28 @@
请使用 fsql.InsertDict(dict) 方法插入字典数据
</summary>
</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)">
<summary>
C#： that >= between &amp;&amp; that &lt;= and<para></para>

2
FreeSql/Internal/CommonProvider/AdoProvider/AdoProvider.cs
View File

@@ -585,7 +585,7 @@ namespace FreeSql.Internal.CommonProvider
if (transaction == null && connection == null)
{
//读写分离规则
if (this.SlavePools.Any() && IsFromSlave(cmdText))
if (this.SlavePools.Any() && IsFromSlave(cmdText, cmdType))
{
var availables = slaveUnavailables == 0 ?
//查从库

2
FreeSql/Internal/CommonProvider/AdoProvider/AdoProviderAsync.cs
View File

@@ -505,7 +505,7 @@ namespace FreeSql.Internal.CommonProvider
if (transaction == null && connection == null)
{
//读写分离规则
if (this.SlavePools.Any() && IsFromSlave(cmdText))
if (this.SlavePools.Any() && IsFromSlave(cmdText, cmdType))
{
var availables = slaveUnavailables == 0 ?
//查从库

6
FreeSql/Internal/CommonProvider/AdoProvider/AdoProviderUtils.cs
View File

@@ -2,6 +2,7 @@
using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Data;
using System.Globalization;
using System.Text;
using System.Text.RegularExpressions;
@@ -56,9 +57,10 @@ namespace FreeSql.Internal.CommonProvider
return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
}
public static bool IsFromSlave(string cmdText)
public static bool IsFromSlave(string cmdText, CommandType cmdType)
{
return cmdText.StartsWith("SELECT ", StringComparison.CurrentCultureIgnoreCase) ||
return cmdType == CommandType.StoredProcedure ||
cmdText.StartsWith("SELECT ", StringComparison.CurrentCultureIgnoreCase) ||
cmdText.StartsWith("WITH ", StringComparison.CurrentCultureIgnoreCase);
}
}