In Oracle, specify only the procedure name. EDB Postgres Advanced Server allows overloading of procedure names. Therefore the procedure signature given by the input argument data types is required in the EDB Postgres Advanced Server DROP PROCEDURE command for an overloaded procedure....
DROP TRIGGER IF EXISTS trg_EventRecorded ON Event; DROP FUNCTION IF EXISTS NotifyEvent(); CREATE FUNCTION NotifyEvent() RETURNS trigger AS $$ DECLARE payload text; BEGIN -- { sequencenum }/{ tenant id }/{ stream id }/{ version }/{ event type } SELECT CONCAT_WS( '/' , NEW.Sequence...
方法一:mysql> SELECT `name` FROM mysql.proc WHERE db = 'your_db_name' AND `type` = 'PROCEDURE' 方法二:mysql> show procedure status; 14、删除存储过程 mysql> DROP PROCEDURE procedure_name; mysql> DROP PROCEDURE IF EXISTS procedure_name; 15、查看指定的存储过程定义 mysql> SHOW CREATE PROCEDU...
drop function if exists func_trigger_insert_test_id; create or replace function func_trigger_insert_test_id() returns trigger as $$ declare var_id integer; var_is_exist boolean; var_table_name varchar(33); var_sql_create text; var_sql_insert text;...
drop procedure if exists test.t1$$ use `test` $$ create procedure test.t1() begin drop table if exists t1; create table test.t1 (c1 int) ENGINE = InnoDB; -- set autocommit=0; 这里设置为手动提交,或者下面开启事务,在这种情况下 rollback都有效。 START TRANSACTION; insert into test.t1 ...
create table if not exists auto_increase_id ( id serial, name varchar(10) ); -- alter table auto_increase_id drop function if exists func_trigger_auto
mysql 5.7中有很多新的特性,但平时可能很少用到,这里列举2个实用的功能:虚拟列及json字段类型 一、先创建一个测试表: drop table if exists t_people; CREATE...类型的字段,另db编码采用utf8mb4 二、生成测试数据 delimiter // -- 写一段存储过程,方便后面生成测试数据 create procedure batchInsert() begin...
For example, if you have a table with two columns—id and value—and a stored procedure that adds one to each value in the table, you could write the following two functions to test this procedure: CREATEFUNCTIONunit_tests.add_one_positive()RETURNStest_resultAS$$ ...
在PostgreSQL中,ALTER TABLE命令用于修改现有表的结构。当对表进行大规模修改时,可能会导致ALTER TABLE执行变慢的情况。 Alter Table太慢可能由以下几个因素引起:...
REINDEX or REINDEX CONCURRENTLY on an invalid index will fail to execute on a BDR node. The invalid indexes must be dropped and created again. The invalid indexes must be dropped using DROP INDEX .. IF EXISTS. DROP INDEX or DROP INDEX CONCURRENTLY without IF EXISTS clause on an invalid inde...