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c844a76b0a
Before this fix, one would get a 'Trigger ... already exists' when trying to create a trigger matching the original name and 'Trigger ... does not exists" when trying to drop it. Fixes a reported bug in MDEV-25180 Atomic ALTER TABLE MDEV-25517 Atomic DDL: Assertion `query_arg' in THD::binlog_query upon DROP TRIGGER The bug was that the stmt_query variable was not populated with the query in case of DROP TRIGGER of an orphan trigger (.TRN file exists & table exists, but the trigger was not in table->triggers).
51 lines
1.6 KiB
Text
51 lines
1.6 KiB
Text
--source include/not_embedded.inc
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--source include/have_binlog_format_statement.inc
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--disable_query_log
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reset master; # get rid of previous tests binlog
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--enable_query_log
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--echo #
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--echo # WL#3253: multiple triggers per table
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--echo #
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--echo # Testing that the FOLLOWS and PRECEDES clauses get logged
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CREATE TABLE t1 (a INT, b INT);
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CREATE TRIGGER tr1_bi BEFORE INSERT ON t1 FOR EACH ROW INSERT INTO t2 (a) VALUES (NEW.a + 100);
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CREATE TRIGGER tr4_bi BEFORE INSERT ON t1 FOR EACH ROW INSERT INTO t2 (a) VALUES (NEW.a + 300);
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CREATE TRIGGER tr2_bi BEFORE INSERT ON t1 FOR EACH ROW FOLLOWS tr1_bi INSERT INTO t2 (a) VALUES (NEW.a + 200);
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CREATE TRIGGER tr3_bi BEFORE INSERT ON t1 FOR EACH ROW precedes tr4_bi INSERT INTO t2 (a) VALUES (NEW.a + 400);
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DROP TABLE t1;
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--let $binlog_file = LAST
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source include/show_binlog_events.inc;
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--echo #
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--echo # MDEV-25517 Atomic DDL: Assertion `query_arg' in THD::binlog_query
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--echo # upon DROP TRIGGER
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--echo #
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# This test case is 'random' by design. For most cases the second DROP TRIGGER
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# will generate a warning "Dropped orphan trigger...", but if there is a timing
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# issue, we may get another error or warning later. This is ok as it enables
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# us to have more code paths tested over time.
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CREATE TABLE t1 (a INT);
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CREATE TRIGGER trg AFTER INSERT ON t1 FOR EACH ROW SET @x = 1;
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--disable_warnings
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--connect (con1,localhost,root,,test)
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--send
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DROP TRIGGER trg;
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--connection default
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--error 0,ER_TRG_DOES_NOT_EXIST
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DROP TRIGGER trg;
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# Cleanup
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--connection con1
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--error 0,ER_TRG_DOES_NOT_EXIST
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--reap
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--disconnect con1
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--connection default
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--enable_warnings
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DROP TABLE t1;
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