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47 lines
1.4 KiB
Text
47 lines
1.4 KiB
Text
CREATE TABLE t1 (id INT);
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CREATE PROCEDURE proc1 (OUT cnt INT) COMMENT 'comment1' BEGIN SELECT COUNT(*) INTO cnt FROM t1; END$$
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CALL proc1(@cnt);
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SELECT @cnt;
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@cnt
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0
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INSERT INTO t1 VALUES (1), (2), (3);
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CALL proc1(@cnt);
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SELECT @cnt;
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@cnt
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3
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CREATE PROCEDURE proc1 (OUT cnt INT) COMMENT 'comment2'
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BEGIN SELECT COUNT(*) INTO cnt FROM t1; END$$
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ERROR 42000: PROCEDURE proc1 already exists
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SELECT comment FROM mysql.proc WHERE name='proc1'$$
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comment
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comment1
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CREATE PROCEDURE IF NOT EXISTS proc1 (OUT cnt INT) COMMENT 'comment3'
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BEGIN SELECT COUNT(*) INTO cnt FROM t1; END$$
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Warnings:
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Note 1304 PROCEDURE proc1 already exists
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SELECT comment FROM mysql.proc WHERE name='proc1'$$
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comment
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comment1
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CREATE OR REPLACE PROCEDURE IF NOT EXISTS proc1 (OUT cnt INT) COMMENT 'comment4'
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BEGIN SELECT COUNT(*) INTO cnt FROM t1; END$$
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ERROR HY000: Incorrect usage of OR REPLACE and IF NOT EXISTS
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SELECT comment FROM mysql.proc WHERE name='proc1'$$
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comment
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comment1
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CREATE OR REPLACE PROCEDURE proc1 (OUT cnt INT) COMMENT 'comment5'
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BEGIN SELECT COUNT(*) INTO cnt FROM t1; END$$
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SELECT comment FROM mysql.proc WHERE name='proc1'$$
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comment
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comment5
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DROP PROCEDURE proc1;
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CREATE PROCEDURE IF NOT EXISTS proc1 (OUT cnt INT) BEGIN SELECT COUNT(*) INTO cnt FROM t1; END$$
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INSERT INTO t1 VALUES (1), (2), (3);
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CALL proc1(@cnt);
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SELECT @cnt;
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@cnt
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6
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DROP TABLE IF EXISTS t1;
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DROP PROCEDURE IF EXISTS proc1;
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DROP PROCEDURE IF EXISTS proc1;
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Warnings:
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Note 1305 PROCEDURE test.proc1 does not exist
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