sqlserver常用知识点备忘录(持续更新)
背景 一个项目的开发,离不开数据库的相关操作,表/视图设计,存储过程,触发器等等数据库对象的操作是非常频繁的。有时候,我们会查找系统中类似的代码,然后复制/粘贴进行再进行相应的修改。本文的目的在于归纳、总结sqlserver数据库的常用操作,并不断更
背景
一个项目的开发,离不开数据库的相关操作,表/视图设计,存储过程,触发器等等数据库对象的操作是非常频繁的。有时候,我们会查找系统中类似的代码,然后复制/粘贴进行再进行相应的修改。本文的目的在于归纳、总结sqlserver数据库的常用操作,并不断更新。期以备忘!
P1 sql的执行顺序
sql语句是操作数据库的工具,了解sql的执行顺序会极大地帮助我们提高我们编写的sql的执行效率。见以下代码:
(<span>8</span>)<span>SELECT</span> (<span>9</span>)<span>DISTINCT</span> (<span>11</span>)<span><span>Top</span> Num<span>></span> <span><span>select</span> list<span>></span><span> (</span><span>1</span>)<span>FROM</span> <span>[</span><span>left_table</span><span>]</span><span> (</span><span>3</span>)<span>join_type<span>></span> <span>JOIN</span> <span>right_table<span>></span><span> (</span><span>2</span>)<span>ON</span> <span>join_condition<span>></span><span> (</span><span>4</span>)<span>WHERE</span> <span>where_condition<span>></span><span> (</span><span>5</span>)<span>GROUP</span> <span>BY</span> <span>group_by_list<span>></span><span> (</span><span>6</span>)<span>WITH</span> <span>CUBE <span>|</span> RollUP<span>></span><span> (</span><span>7</span>)<span>HAVING</span> <span>having_condition<span>></span><span> (</span><span>10</span>)<span>ORDER</span> <span>BY</span> <span>order_by_list<span>></span></span></span></span></span></span></span></span></span></span></span>
- FROM:对FROM子句中的前两个表执行笛卡尔积(Cartesian product)(交叉联接),生成虚拟表VT1
-
ON:对VT1应用ON筛选器。只有那些使
为真的行才被插入VT2。 - OUTER(JOIN):如 果指定了OUTER JOIN(相对于CROSS JOIN 或(INNER JOIN),保留表(preserved table:左外部联接把左表标记为保留表,右外部联接把右表标记为保留表,完全外部联接把两个表都标记为保留表)中未找到匹配的行将作为外部行添加到 VT2,生成VT3.如果FROM子句包含两个以上的表,则对上一个联接生成的结果表和下一个表重复执行步骤1到步骤3,直到处理完所有的表为止。
-
WHERE:对VT3应用WHERE筛选器。只有使
为true的行才被插入VT4. - GROUP BY:按GROUP BY子句中的列列表对VT4中的行分组,生成VT5.
- CUBE|ROLLUP:把超组(Suppergroups)插入VT5,生成VT6.
-
HAVING:对VT6应用HAVING筛选器。只有使
为true的组才会被插入VT7. - SELECT:处理SELECT列表,产生VT8.
- DISTINCT:将重复的行从VT8中移除,产生VT9.
- ORDER BY:将VT9中的行按ORDER BY 子句中的列列表排序,生成游标(VC10).
- TOP:从VC10的开始处选择指定数量或比例的行,生成表VT11,并返回调用者。
总的来说,select的列是最后一步被执行的,而From的Table是首先被执行的。
P2 创建带Try。。。Catch的存储过程模板
Copy下面的代码,然后新建查询,就可以写sql语句,执行完后,一个你自己的存储过程就建立好了!
<span>USE</span> <span>[</span><span>DB</span><span>]</span><span>--</span><span>设定对应的数据库</span> <span>GO</span> <span>SET</span> ANSI_NULLS <span>ON</span> <span>GO</span> <span>SET</span> QUOTED_IDENTIFIER <span>ON</span> <span>GO</span> <span>--</span><span> =============================================</span><span> --</span><span> AUTHOR:</span><span> --</span><span> DESCRIBE:</span><span> --</span><span> =============================================</span> <span>CREATE</span> <span>PROCEDURE</span> <span>[</span><span>dbo</span><span>]</span>.<span>[</span><span>UP_InsertJHBData</span><span>] </span><span>--</span><span>存储过程名</span> <span> ( </span><span>@CustomerName</span> <span>VARCHAR</span>(<span>50</span>) <span>--</span><span>参数</span> <span> ) </span><span>AS</span> <span>BEGIN</span> <span>SET</span> NOCOUNT <span>ON</span> <span>--</span><span>提高性能的,必须要有</span> <span>DECLARE</span> <span>@Now</span> <span>DATETIME</span> <span>SET</span> <span>@Now</span> <span>=</span> <span>GETDATE</span>() <span>--</span><span>所有操作保证统一时间</span> <span>BEGIN</span><span> TRY </span><span>--</span><span>在这里写SQL</span> <span>END</span><span> TRY </span><span>BEGIN</span><span> CATCH </span><span>DECLARE</span> <span>@ErrorMessage</span> <span>NVARCHAR</span>(<span>4000</span><span>) ; </span><span>DECLARE</span> <span>@ErrorSeverity</span> <span>INT</span><span> ; </span><span>DECLARE</span> <span>@ErrorState</span> <span>INT</span><span> ; </span><span>SELECT</span> <span>@ErrorMessage</span> <span>=</span><span> ERROR_MESSAGE() , </span><span>@ErrorSeverity</span> <span>=</span><span> ERROR_SEVERITY() , </span><span>@ErrorState</span> <span>=</span><span> ERROR_STATE() ; </span><span>PRINT</span> <span>@ErrorMessage</span> <span>RAISERROR</span>(<span>@ErrorMessage</span>, <span>--</span><span> Message text.</span> <span>@ErrorSeverity</span>, <span>--</span><span> Severity.</span> <span>@ErrorState</span> <span>--</span><span> State.</span> <span> ) ; </span><span>RETURN</span> <span>-</span><span>1</span><span> ; </span><span>END</span><span> CATCH </span><span>END</span>
P3 创建带事务的存储过程模板
只是将带Try。。。Catch的存储过程的模板中加入了事务的控制,使用类似
<span>USE</span> <span>[</span><span>DB</span><span>]</span> <span>GO</span> <span>SET</span> ANSI_NULLS <span>ON</span> <span>GO</span> <span>SET</span> QUOTED_IDENTIFIER <span>ON</span> <span>GO</span> <span>--</span><span> =============================================</span><span> --</span><span> AUTHOR:</span><span> --</span><span> DESCRIBE:</span><span> --</span><span> =============================================</span> <span>CREATE</span> <span>PROCEDURE</span> <span>[</span><span>dbo</span><span>]</span>.<span>[</span><span>UP_InsertJHBData</span><span>]</span><span>--</span><span>存储过程名</span><span> --</span><span>参数</span> <span> ( </span><span>@CustomerName</span> <span>VARCHAR</span>(<span>50</span><span>) ) </span><span>--</span><span>参数</span> <span>AS</span> <span>BEGIN</span> <span>SET</span> NOCOUNT <span>ON</span> ;<span>--</span><span>提高性能的,必须要有</span> <span>DECLARE</span> <span>@Now</span> <span>DATETIME</span><span> ; </span><span>SET</span> <span>@Now</span> <span>=</span> <span>GETDATE</span>() ;<span>--</span><span>所有操作保证统一时间</span> <span>BEGIN</span><span> TRY </span><span>BEGIN</span> <span>TRANSACTION</span> myTrans ;<span>--</span><span>开始事务</span> <span>--</span><span>在这里写SQL</span> <span>COMMIT</span> <span>TRANSACTION</span> myTrans ;<span>--</span><span>事务提交语句</span> <span>END</span><span> TRY </span><span>BEGIN</span><span> CATCH </span><span>ROLLBACK</span> <span>TRANSACTION</span> myTrans<span>--</span><span> 始终回滚事务</span> <span>--</span><span>抛出异常</span> <span>DECLARE</span> <span>@ErrorMessage</span> <span>NVARCHAR</span>(<span>4000</span><span>) ; </span><span>DECLARE</span> <span>@ErrorSeverity</span> <span>INT</span><span> ; </span><span>DECLARE</span> <span>@ErrorState</span> <span>INT</span><span> ; </span><span>SELECT</span> <span>@ErrorMessage</span> <span>=</span><span> ERROR_MESSAGE() , </span><span>@ErrorSeverity</span> <span>=</span><span> ERROR_SEVERITY() , </span><span>@ErrorState</span> <span>=</span><span> ERROR_STATE() ; </span><span>RAISERROR</span>(<span>@ErrorMessage</span>, <span>--</span><span> Message text.</span> <span>@ErrorSeverity</span>, <span>--</span><span> Severity.</span> <span>@ErrorState</span> <span>--</span><span> State.</span> <span> ) ; </span><span>END</span><span> CATCH </span><span>END</span>
P4 批量插入
或者生成测试数据,或者填充临时表,我们都会碰到批量插入表的需求,此时,针对被插入的表是否存在分以下两种情况:
- 被插入的表存在,使用以下sql,达到将表#Table2Name中的ID和Name两列的数据插入表#Table1Name中
-
<span>INSERT</span> <span>INTO</span> #Table1Name <span>SELECT</span> ID,NAME <span>FROM</span> #Table2Name
Salin selepas log masuk
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- 被插入的表不存在,使用以下sql,达到创建表#Table1Name,并将表#Table2Name中的ID和Name两列的数据插入表#Table1Name中
-
<span>SELECT</span> ID,NAME <span>INTO</span> #Table1Name <span>FROM</span> #Table2Name
Salin selepas log masuk
-
P5 批量更新
链接两个表,通过第一张表的数据去批量地更新第二张表,使用以下的sql
<span> UPDATE</span><span> t2 </span><span>SET</span> t2.FirstSaleOrderDate <span>=</span><span> t1.FirstSaleOrderDate , t2.LastSaleOrderDate </span><span>=</span><span> t1.LastSaleOrderDate </span><span>FROM</span><span> #T_ValidSODate t1 </span><span>INNER</span> <span>JOIN</span> #T_PendingReport t2 <span>ON</span> t1.GiftCardNO <span>=</span> t2.GiftCardNO
P6 循环模板
在存储过程中,经常会生成一些临时表,然后循环临时表的数据进行处理,以下模板可以帮助伙伴们快速处理此类需求
<span> --</span><span>生成带行号的临时表数据,并插入临时表#T_Table中</span> <span>SELECT</span> ROW_NUMBER() <span>OVER</span> (<span>ORDER</span> <span>BY</span> ID) <span>AS</span><span> RowNum, NAME </span><span>INTO</span><span> #T_Table </span><span>FROM</span><span> TableName </span><span>--</span><span>获取记录总数</span> <span>DECLARE</span> <span>@RecordCount</span> <span>INT</span> <span>=</span> <span>0</span> <span>SELECT</span> <span>@RecordCount</span> <span>=</span> <span>COUNT</span>(<span>1</span>) <span>FROM</span><span> #T_Table </span><span>DECLARE</span> <span>@CurrRowNum</span> <span>INT</span> <span>=</span> <span>1</span> <span>--</span><span>当前行号</span> <span>DECLARE</span> <span>@CurrName</span> <span>VARCHAR</span>(<span>50</span>) <span>--</span><span>当前字段</span> <span>--</span><span>循环记录 </span> <span>WHILE</span> <span>@CurrRowNum</span> <span> <span>@RecordCount</span> <span>BEGIN</span> <span>--</span><span>获取当前记录</span> <span>SELECT</span> <span>@CurrName</span> <span>=</span> Name <span>FROM</span> #T_Table <span>WHERE</span> RowNum <span>=</span> <span>@CurrRowNum</span> <span>--</span><span>自定义sql</span> <span>SET</span> <span>@CurrRowNum</span> <span>=</span> <span>@CurrRowNum</span> <span>+</span> <span>1</span> <span>--</span><span>到下一条记录</span> <span>END</span> </span>
P7 字符串转表函数
下面的函数的功能是将【a;b;c;】这样的字符串按照【;】进行分割并返回一张表
<span>USE</span> <span>[</span><span>Util</span><span>]</span> <span>GO</span> <span>/*</span><span>***** Object: UserDefinedFunction [dbo].[Func_StringListToTable] Script Date: 04/08/2014 10:59:53 *****</span><span>*/</span> <span>SET</span> ANSI_NULLS <span>ON</span> <span>GO</span> <span>SET</span> QUOTED_IDENTIFIER <span>ON</span> <span>GO</span> <span>--</span><span> =============================================</span><span> --</span><span> Author: </span><span> --</span><span> Create date: </span><span> --</span><span> Description: 将字符串转换为表 </span><span> --</span><span> 调用示例如下</span> <span>--</span><span>DECLARE @StringList NVARCHAR(max)</span> <span>--</span><span>SET @StringList='a;b;c;'</span> <span>--</span><span>DECLARE @Split VARCHAR(10)</span> <span>--</span><span>SET @Split=';'</span> <span>--</span><span>SELECT * FROM Util.dbo.[Func_StringListToTable](@StringList,@Split)</span><span> --</span><span> =============================================</span> <span>CREATE</span> <span>FUNCTION</span> <span>[</span><span>dbo</span><span>]</span>.<span>[</span><span>Func_StringListToTable</span><span>]</span><span> ( </span><span>--</span><span> Add the parameters for the function here</span> <span>@StringList</span> <span>NVARCHAR</span>(<span>MAX</span><span>) , </span><span>@split</span> <span>VARCHAR</span>(<span>10</span><span>) ) </span><span>RETURNS</span> <span>@StringTable</span> <span>TABLE</span><span> ( ID </span><span>INT</span><span> , String </span><span>VARCHAR</span>(<span>MAX</span><span>) ) </span><span>AS</span> <span>BEGIN</span> <span>--</span><span> Fill the table variable with the rows for your result set</span> <span>DECLARE</span> <span>@i</span> <span>INT</span> <span>SET</span> <span>@i</span> <span>=</span> <span>1</span> <span>WHILE</span> ( <span>CHARINDEX</span>(<span>@split</span>, <span>@StringList</span>) <span></span> <span>0</span><span> ) </span><span>BEGIN</span> <span>INSERT</span> <span>@StringTable</span><span> ( ID , String ) </span><span>VALUES</span> ( <span>@i</span><span> , </span><span>SUBSTRING</span>(<span>@StringList</span>, <span>1</span><span>, </span><span>CHARINDEX</span>(<span>@split</span>, <span>@StringList</span>) <span>-</span> <span>1</span><span>) ) </span><span>SET</span> <span>@StringList</span> <span>=</span> <span>STUFF</span>(<span>@StringList</span>, <span>1</span><span>, </span><span>CHARINDEX</span>(<span>@split</span>, <span>@StringList</span><span>) </span><span>+</span> <span>LEN</span>(<span>@split</span>) <span>-</span> <span>1</span>, <span>''</span><span>) </span><span>SET</span> <span>@i</span> <span>=</span> <span>@i</span> <span>+</span> <span>1</span> <span>END</span> <span>IF</span> <span>@StringList</span> <span></span> <span>''</span> <span>BEGIN</span> <span>INSERT</span> <span>@StringTable</span><span> ( ID, String ) </span><span>VALUES</span> ( <span>@i</span>, <span>@StringList</span><span> ) </span><span>END</span> <span>RETURN</span> <span>END</span>
P8 分组数据集并返回每个组的前n条记录
Row_NUMBER()函数用于生成行号;利用PARTITION BY可以将结果集按照指定需求进行分组;最终使用一个简单的子查询就能够获取每组的前3条数据
<span>SELECT</span> <span>*</span> <span>FROM</span> ( <span>SELECT</span> ROW_NUMBER() <span>OVER</span> ( PARTITION <span>BY</span> ProductNO <span>ORDER</span> <span>BY</span> ProductNO ) <span>AS</span><span> RowNum , </span><span>*</span> <span>FROM</span><span> IM.dbo.ItemInfo ) t </span><span>WHERE</span> t.RowNum <span>IN</span> ( <span>1</span>, <span>2</span>, <span>3</span> )
P9 【用户自定义表类型】的使用
您是否碰到过这样的需求:调用存储过程的时候传一张表进去???
在sqlserver数据库中有一种称为【用户自定义表类型】的数据结构,类似表,存储过程的参数可以定义为【用户自定义表类型】,代码调用时可以直接传入一个List
以下代码实现了在IM数据库中新建一个名称为GCRP_PendingGiftCard_TYPE的用户自定义表结构:
<span>USE</span> <span>[</span><span>IM</span><span>]</span> <span>GO</span> <span>/*</span><span>***** Object: UserDefinedTableType [dbo].[GCRP_PendingGiftCard_TYPE] Script Date: 04/08/2014 14:56:16 *****</span><span>*/</span> <span>CREATE</span> TYPE <span>[</span><span>dbo</span><span>]</span>.<span>[</span><span>GCRP_PendingGiftCard_TYPE</span><span>]</span> <span>AS</span> <span>TABLE</span><span>( </span><span>[</span><span>RowNum</span><span>]</span> <span>[</span><span>int</span><span>]</span> <span>NULL</span><span>, </span><span>[</span><span>GiftCardNO</span><span>]</span> <span>[</span><span>varchar</span><span>]</span>(<span>500</span>) <span>NULL</span><span>, </span><span>[</span><span>UsedDate</span><span>]</span> <span>[</span><span>datetime</span><span>]</span> <span>NULL</span><span>, </span><span>[</span><span>CustomerName</span><span>]</span> <span>[</span><span>varchar</span><span>]</span>(<span>50</span>) <span>NULL</span><span>, </span><span>[</span><span>ReduceAmount</span><span>]</span> <span>[</span><span>decimal</span><span>]</span>(<span>18</span>, <span>2</span>) <span>NULL</span><span>, </span><span>[</span><span>Amount</span><span>]</span> <span>[</span><span>decimal</span><span>]</span>(<span>18</span>, <span>2</span>) <span>NULL</span><span> ) </span><span>GO</span>
下面的代码演示了【用户自定义表类型】的使用方式和场景(使用起来和临时表、表变量类似)
<span>--</span><span>1 声明一个自定义表类型@T_PendingGiftCard</span> <span>DECLARE</span> <span>@T_PendingGiftCard</span><span> GCRP_PendingGiftCard_TYPE </span><span>--</span><span>2 执行一个存储过程,并把返回的结果集插入到上面声明的自定义表类型@T_PendingGiftCard中</span> <span>INSERT</span> <span>INTO</span> <span>@T_PendingGiftCard</span> <span>EXEC</span><span> IM.dbo.UP_GCRP_GetEntireGfitCardWithReduceAmount </span><span>--</span><span>3 声明一个自定义表类型@T_PendingSO</span> <span>DECLARE</span> <span>@T_PendingSO</span><span> GCRP_PendingSO_TYPE </span><span>--</span><span>4 执行一个存储过程,传入表类型@T_PendingGiftCard,并把返回的结果集插入自定义表类型@T_PendingSO中</span> <span>INSERT</span> <span>INTO</span> <span>@T_PendingSO</span> <span>EXEC</span><span> IM.dbo.UP_GCRP_GetEntireSOWithGiftCardUsed </span><span>@T_PendingGiftCard</span>
下面贴出这两个存储过程的源码,供大家参考
<span>USE</span> <span>[</span><span>IM</span><span>]</span> <span>GO</span> <span>/*</span><span>***** Object: StoredProcedure [dbo].[UP_GCRP_GetEntireGfitCardWithReduceAmount] Script Date: 04/08/2014 15:01:40 *****</span><span>*/</span> <span>SET</span> ANSI_NULLS <span>ON</span> <span>GO</span> <span>SET</span> QUOTED_IDENTIFIER <span>ON</span> <span>GO</span> <span>--</span><span> =============================================</span><span> --</span><span> Author: DeanZhou </span><span> --</span><span> Create date: 2014-04-04</span><span> --</span><span> Description: 获取礼品卡报表数据-获取当前所有有余额的礼品卡信息</span><span> --</span><span> =============================================</span> <span>CREATE</span> <span>PROCEDURE</span> <span>[</span><span>dbo</span><span>]</span>.<span>[</span><span>UP_GCRP_GetEntireGfitCardWithReduceAmount</span><span>]</span> <span>AS</span> <span>BEGIN</span> <span>SET</span> NOCOUNT <span>ON</span> ;<span>--</span><span>提高性能的,必须要有</span> <span>--</span><span>1.1 从表accounting.dbo.EWalletData中查询出有充值记录的礼品卡</span> <span>SELECT</span> <span>RIGHT</span>(<span>RTRIM</span>(<span>ISNULL</span>(SONO, <span>''</span>)), <span>10</span>) <span>AS</span><span> GiftCardNO , </span><span>ISNULL</span>(Amount, <span>0</span>) <span>AS</span><span> Amount , CreateDate </span><span>AS</span><span> UsedDate , CustomerName </span><span>INTO</span><span> #T_TotalGiftCard </span><span>FROM</span><span> accounting.dbo.EWalletData </span><span>WHERE</span> Source <span>=</span> <span>11</span> <span>AND</span> InOrOut <span>=</span> <span>1</span> <span>--</span><span>1.2 从表IM.dbo.Temp_UsedGiftCardReportDetail中查询出所有有使用记录的礼品卡(消费金额设置为负数)</span> <span>SELECT</span><span> A.GiftCardNO , </span><span>-</span>A.UsedAmount <span>AS</span><span> Amount , A.GiftCardChargedDate </span><span>AS</span><span> UsedDate , A.CustomerName </span><span>INTO</span><span> #T_UsedGiftCard </span><span>FROM</span><span> IM.dbo.Temp_UsedGiftCardReportDetail A </span><span>INNER</span> <span>JOIN</span> #T_TotalGiftCard B <span>ON</span> A.GiftCardNO <span>=</span><span> B.GiftCardNO </span><span>DECLARE</span> <span>@E</span> <span>DECIMAL</span>(<span>18</span>,<span>2</span><span>) </span><span>--</span><span>1.3 合并1.1和1.2的数据,获取所有礼品卡的余额 </span> <span>SELECT</span> ROW_NUMBER() <span>OVER</span> (<span>ORDER</span> <span>BY</span> S.UsedDate <span>ASC</span>) <span>AS</span> RowNum, <span>--</span><span>编号</span> S.GiftCardNO , <span>--</span><span>礼品卡编号</span> S.UsedDate , <span>--</span><span>礼品卡充值日期</span> S.CustomerName , <span>--</span><span>客户名称</span> <span>ISNULL</span>(S.ReduceAmount, <span>0</span>) <span>AS</span> ReduceAmount , <span>--</span><span>礼品卡剩余金额</span> <span>ISNULL</span>(M.Amount, <span>0</span>) <span>AS</span> Amount <span>--</span><span>礼品卡面额</span> <span>FROM</span> ( <span>SELECT</span><span> T.GiftCardNO , T.UsedDate , T.CustomerName , </span><span>SUM</span>(T.Amount) <span>AS</span><span> ReduceAmount </span><span>FROM</span> ( <span>SELECT</span><span> GiftCardNO , Amount , UsedDate , CustomerName </span><span>FROM</span><span> #T_TotalGiftCard </span><span>UNION</span> <span>ALL</span> <span>SELECT</span><span> GiftCardNO , Amount , UsedDate , CustomerName </span><span>FROM</span><span> #T_UsedGiftCard ) T </span><span>GROUP</span> <span>BY</span><span> T.GiftCardNO , T.UsedDate , T.CustomerName ) S </span><span>INNER</span> <span>JOIN</span> #T_TotalGiftCard M <span>ON</span> S.GiftCardNO <span>=</span><span> M.GiftCardNO </span><span>WHERE</span> S.ReduceAmount <span>></span> <span>0</span> <span>END</span>
<span>USE</span> <span>[</span><span>IM</span><span>]</span> <span>GO</span> <span>/*</span><span>***** Object: StoredProcedure [dbo].[UP_GCRP_GetEntireSOWithGiftCardUsed] Script Date: 04/08/2014 15:02:50 *****</span><span>*/</span> <span>SET</span> ANSI_NULLS <span>ON</span> <span>GO</span> <span>SET</span> QUOTED_IDENTIFIER <span>ON</span> <span>GO</span> <span>--</span><span> =============================================</span><span> --</span><span> Author: DeanZhou </span><span> --</span><span> Create date: 2014-04-04</span><span> --</span><span> Description: 获取礼品卡报表数据-获取使用礼品卡的订单信息</span><span> --</span><span> =============================================</span> <span>ALTER</span> <span>PROCEDURE</span> <span>[</span><span>dbo</span><span>]</span>.<span>[</span><span>UP_GCRP_GetEntireSOWithGiftCardUsed</span><span>]</span><span> ( </span><span>@T_PendingGiftCard</span><span> GCRP_PendingGiftCard_TYPE READONLY ) </span><span>AS</span> <span>BEGIN</span> <span>SET</span> NOCOUNT <span>ON</span> ;<span>--</span><span>提高性能的,必须要有</span> <span>--</span><span>订单状态:1 待审核 2 待支付 3 已支付,待确认 4 已支付 5 出库中 6 已发货 7 已收货 8 换货中 9 退货中</span> <span>--</span><span> 10 已换货 11 已退货 12 退款成功 13 换货被拒绝 14 退货被拒绝 15 交易成功 16 订单已关闭 17 客户作废</span> <span>--</span><span> 18 商城作废 19 系统自动作废 20 退款中 21 等待团购成功 22 组团失败 </span> <span>SELECT</span> S.SONO , <span>--</span><span> 订单编号 VARCHAR(30) </span> S.EwalletDiscountAmount , <span>--</span><span> 电子钱包支付金额 DECIMAL(18,2)</span> S.RefundAmount , <span>--</span><span> 发生退款的总金额 DECIMAL(18,2)</span> ( S.EwalletDiscountAmount <span>+</span> S.RefundAmount ) <span>AS</span> RealUsedAmount , <span>--</span><span> 实际使用电子钱包的金额 DECIMAL(18,2)</span> <span>0</span> <span>AS</span><span> RelatedRefundID , S.CustomerName , </span><span>--</span><span> 客户名称 VARCHAR(50)</span> S.SaleOrderStatus , <span>--</span><span> 订单状态 INT</span> S.CreateDate <span>--</span><span> 下单日期 DATETIME</span> <span>INTO</span><span> #T_PendingSO </span><span>FROM</span> ( <span>SELECT</span><span> A.SONO , A.EwalletDiscountAmount , ( </span><span>SELECT</span> <span>-</span><span>ISNULL</span>(<span>SUM</span>(B.Amount), <span>0</span><span>) </span><span>FROM</span><span> RMA.dbo.RefundRecord B </span><span>WHERE</span> B.SONO <span>=</span><span> A.SONO </span><span>AND</span> B.RefundType <span>=</span> <span>3</span> <span>AND</span> B.Status <span>IN</span> ( <span>2</span>, <span>3</span>, <span>4</span><span> ) ) </span><span>AS</span><span> RefundAmount , </span><span>CONVERT</span>(<span>DECIMAL</span>(<span>18</span>, <span>2</span>), <span>0</span>) <span>AS</span><span> RealUsedAmount , A.CustomerName , A.SaleOrderStatus , A.CreateDate </span><span>FROM</span><span> SO.dbo.SOMaster A </span><span>WHERE</span> EwalletDiscountAmount <span>></span> <span>0</span> <span>AND</span> SaleOrderStatus <span>NOT</span> <span>IN</span> ( <span>1</span>, <span>2</span>, <span>17</span>, <span>19</span><span> ) </span><span>AND</span> <span>EXISTS</span> ( <span>SELECT</span> <span>1</span> <span>FROM</span> <span>@T_PendingGiftCard</span><span> C </span><span>WHERE</span> A.CustomerName <span>=</span><span> C.CustomerName </span><span>AND</span> A.CreateDate <span>></span><span> C.UsedDate ) </span><span>AND</span> <span>NOT</span> <span>EXISTS</span> ( <span>SELECT</span> <span>1</span> <span>FROM</span><span> IM.dbo.Temp_UsedGiftCardReportDetail B </span><span>WHERE</span> A.SONO <span>=</span><span> B.SONO </span><span>AND</span> B.UsedAmount <span>></span> <span>0</span><span> ) ) S </span><span>DELETE</span> IM.dbo.Temp_UsedGiftCardReportDetail <span>WHERE</span> UsedAmount <span> <span>0</span> <span>AND</span> <span>EXISTS</span> (<span>SELECT</span> <span>1</span> <span>FROM</span> #T_PendingSO B <span>WHERE</span> Temp_UsedGiftCardReportDetail.SONO <span>=</span><span> B.SONO ) </span><span>SELECT</span> ROW_NUMBER() <span>OVER</span> ( <span>ORDER</span> <span>BY</span> S.CustomerName, S.SONO, S.CreateDate <span>ASC</span> ) <span>AS</span><span> RowNum , S.</span><span>*</span> <span>FROM</span> ( <span>SELECT</span> <span>*</span> <span>FROM</span><span> #T_PendingSO </span><span>UNION</span> <span>ALL</span> <span>SELECT</span><span> A.SONO , B.EwalletDiscountAmount , </span><span>-</span>A.Amount <span>AS</span><span> RefundAmount , B.RealUsedAmount , A.RelatedRefundID , B.CustomerName , A.Status , A.CreateDate </span><span>FROM</span><span> RMA.dbo.RefundRecord A </span><span>INNER</span> <span>JOIN</span> #T_PendingSO B <span>ON</span> A.SONO <span>=</span><span> B.SONO </span><span>WHERE</span> A.RefundType <span>=</span> <span>3</span> <span>AND</span> A.Status <span>IN</span> ( <span>2</span>, <span>3</span>, <span>4</span><span> ) </span><span>UNION</span> <span>ALL</span> <span>SELECT</span><span> A.SONO , </span><span>0</span> <span>AS</span><span> EwalletDiscountAmount , </span><span>-</span>A.Amount <span>AS</span><span> RefundAmount , B.UsedAmount , A.RelatedRefundID , B.CustomerName , A.Status , A.CreateDate </span><span>FROM</span><span> RMA.dbo.RefundRecord A </span><span>INNER</span> <span>JOIN</span> IM.dbo.Temp_UsedGiftCardReportDetail B <span>ON</span> A.SONO <span>=</span> B.SONO <span>AND</span> B.UsedAmount <span>></span> <span>0</span> <span>WHERE</span> A.RefundType <span>=</span> <span>3</span> <span>AND</span> A.Status <span>IN</span> ( <span>2</span>, <span>3</span>, <span>4</span><span> ) ) S </span><span>END</span></span>

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