Home Database Mysql Tutorial 如何查看当前Open的Cursor

如何查看当前Open的Cursor

Jun 07, 2016 pm 03:23 PM
cursor open how Check meet mistake

遇到错误:A cursor with thename already exists,想要看是什么代码导致的。找到下面几种方法. --测试声明Cursor并且打开 DECLARE vend_cursor CURSOR FOR SELECT * FROMPurchasing.Vendor OPEN vend_cursor FETCH NEXTFROMvend_cursor; --使用下面的三种方

遇到错误:A cursor with thename ' ' already exists,想要看是什么代码导致的。找到下面几种方法.

--测试声明Cursor并且打开

DECLARE vend_cursor CURSOR

FOR SELECT * FROMPurchasing.Vendor

OPEN vend_cursor

FETCH NEXTFROMvend_cursor;

--使用下面的三种方法都可以

SELECT ec.session_id,ec.name,ec.properties,ec.creation_time,ec.is_open,ec.writes,ec.reads,t.text

FROM sys.dm_exec_cursors(0)ec

CROSS APPLYsys.dm_exec_sql_text(ec.sql_handle)t

dbcc activecursors(0)

SELECT *FROMMASTER..SYSCURSORS

结果:

\

看起来DMV的结果更全面。

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