DECLARE EXIT HANDLER FOR 1325 SELECT "24000 (ER_SP_CURSOR_ALREADY_OPEN) Cursor is already open" as 'ERROR_NO SQLSTATE'; DECLARE EXIT HANDLER FOR 1326 SELECT "24000 (ER_SP_CURSOR_NOT_OPEN) Cursor is not open" as 'ERROR_NO SQLSTATE'; ...
1325 24000 Cursor is already open 1326 24000 Cursor is not open 1328 HY000 Incorrect number of FETCH variables 1329 2000 No data to FETCH 1336 42000 USE is not allowed in a stored program 1337 42000 Variable or condition declaration after cursor or handler declaration 1338 42000 Cursor declaratio...
· 错误:1324 SQLSTATE: 42000 (ER_SP_CURSOR_MISMATCH) 消息:未定义的CURSOR: %s · 错误:1325 SQLSTATE: 24000 (ER_SP_CURSOR_ALREADY_OPEN) 消息:光标已打开 · 错误:1326 SQLSTATE: 24000 (ER_SP_CURSOR_NOT_OPEN) 消息:光标未打开 · 错误:1327 SQLSTATE: 42000 (ER_SP_UNDECLARED_VAR) 消息:未...
OPEN CURSOR的影响 虽然OPEN CURSOR在处理查询结果时非常有用,但过多的打开光标可能会对数据库性能产生负面影响。这是因为每个打开的光标都会消耗系统资源(如内存),并且可能会增加数据库服务器的负载。如果打开的光标数量过多,可能会导致系统资源不足,从而影响数据库的整体性能。 如何优化OPEN CURSOR? 为了优化OPEN CUR...
MySQL cursor游标open语句 • Open cursor语句用来打开一个之前已经声明好的游标
·错误:1324 SQLSTATE: 42000 (ER_SP_CURSOR_MISMATCH) 消息:未定义的CURSOR: %s ·错误:1325 SQLSTATE: 24000 (ER_SP_CURSOR_ALREADY_OPEN) 消息:光标已打开 ·错误:1326 SQLSTATE: 24000 (ER_SP_CURSOR_NOT_OPEN) 消息:光标未打开 ·错误:1327 SQLSTATE: 42000 (ER_SP_UNDECLARED_VAR) ...
在处理MySQL查询时，经常遇到一个错误："The statement (1) has no open cursor."。面对这个问题，通常代码运行正常，但在某些特定情况下，如读取大量数据时，就会触发错误。原因可能涉及MySQL驱动、数据库连接参数、或Class.forName("com.mysql.jdbc.Driver")的使用，但这些都未解决根本问题。深入研究...
错误:1324 SQLSTATE: 42000 (ER_SP_CURSOR_MISMATCH) 消息:未定义的CURSOR: %s 错误:1325 SQLSTATE: 24000 (ER_SP_CURSOR_ALREADY_OPEN) 消息:光标已打开 错误:1326 SQLSTATE: 24000 (ER_SP_CURSOR_NOT_OPEN) 消息:光标未打开 错误:1327 SQLSTATE: 42000 (ER_SP_UNDECLARED_VAR) 消息:未声明的变量:%s ...
java.sql.SQLException: The statement (1) has no open cursor. 代码原型 String sql = "show create table " + sourceDataBase + "." + sourceTableName + ";"; long start = System.currentTimeMillis(); ResultSet sourceRs = statement.executeQuery(sql); ...
Cursor is not open Posted by:MuraliDharan V Date: February 29, 2008 01:17AM Here is my Stored Procedure, It has three Cursors for three Different process based on the Input, DROP PROCEDURE IF EXISTS sp_test; CREATE PROCEDURE sp_test (IN pmId VARCHAR(100),IN pmType INTEGER) NOT ...