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49 lines
2 KiB
Text
49 lines
2 KiB
Text
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include/master-slave.inc
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[connection master]
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# Part 1 - initial creation
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CREATE DATABASE db1;
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USE db1;
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CREATE TABLE t1 (val INT);
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CREATE TRIGGER val_sum BEFORE INSERT ON t1 FOR EACH ROW SET @sum = @sum + NEW.val + 1;
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SET @sum=0;
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INSERT INTO t1 VALUES (10), (20), (30);
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SELECT ACTION_STATEMENT AS ACTION_STATEMENT_Master FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_NAME='val_sum';
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ACTION_STATEMENT_Master
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SET @sum = @sum + NEW.val + 1
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SELECT ACTION_STATEMENT AS ACTION_STATEMENT_Slave FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_NAME='val_sum';
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ACTION_STATEMENT_Slave
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SET @sum = @sum + NEW.val + 1
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# Part 2 - CREATE IF NOT EXISTS (on a existing trigger)
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CREATE TRIGGER IF NOT EXISTS val_sum AFTER INSERT ON t1 FOR EACH ROW SET @sum = @sum + NEW.val + 2;
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Warnings:
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Note 1359 Trigger already exists
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SELECT ACTION_STATEMENT AS ACTION_STATEMENT_Master FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_NAME='val_sum';
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ACTION_STATEMENT_Master
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SET @sum = @sum + NEW.val + 1
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SELECT ACTION_STATEMENT AS ACTION_STATEMENT_Slave FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_NAME='val_sum';
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ACTION_STATEMENT_Slave
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SET @sum = @sum + NEW.val + 1
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# Part 3 - CREATE OR REPLACE (on a existing trigger)
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CREATE OR REPLACE TRIGGER val_sum BEFORE INSERT ON t1 FOR EACH ROW SET @sum = @sum + NEW.val + 3;
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SELECT ACTION_STATEMENT AS ACTION_STATEMENT_Master FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_NAME='val_sum';
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ACTION_STATEMENT_Master
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SET @sum = @sum + NEW.val + 3
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SELECT ACTION_STATEMENT AS ACTION_STATEMENT_Slave FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_NAME='val_sum';
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ACTION_STATEMENT_Slave
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SET @sum = @sum + NEW.val + 3
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# Clearing up
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DROP TRIGGER val_sum;
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DROP TABLE t1;
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DROP TRIGGER IF EXISTS val_sum;
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Warnings:
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Note 1360 Trigger does not exist
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DROP TRIGGER random_trigger;
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ERROR HY000: Trigger does not exist
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DROP DATABASE db1;
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DROP TRIGGER IF EXISTS val_sum;
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ERROR 3D000: No database selected
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# Syncing slave with master
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DROP TRIGGER val_sum;
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ERROR HY000: Trigger does not exist
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include/rpl_end.inc
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