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edd52b7fc7
Upon rebase, some error codes changed order so record tests to update accordingly. Merge with trigger changes from MDEV-34724.
414 lines
11 KiB
Text
414 lines
11 KiB
Text
# Test case 1: check that a row being inserted
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# can be filtered out by means running of a statement
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# SIGNAL SQLSTATE '02TRG' from the trigger body
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CREATE TABLE t1 (a INT);
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CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
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BEGIN
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IF NEW.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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# Execution of the following INSERT statement produces warnings
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# for the row (1) filtered out by the statement SIGNAL SQLSTATE '02TRG'
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# invoked from the trigger
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INSERT INTO t1 VALUES (1), (2), (3);
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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# Expected output is the rows (2), (3)
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SELECT * FROM t1;
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a
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2
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3
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# Clean up
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TRUNCATE TABLE t1;
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# Test case 2: run the statement INSERT SELECT and check
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# that the rows (1) is filtered out by the trigger `t1_bi`
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CREATE TABLE t2 (a INT);
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INSERT INTO t2 VALUES (1), (2), (1), (3), (5);
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# Execution of the following INSERT ... SELECT statement produces warnings
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# for the row (1) filtered out by the statement SIGNAL SQLSTATE '02TRG'
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# invoked from the trigger
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INSERT INTO t1 SELECT * FROM t2;
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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# Expected output is the rows (2), (3), (5)
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SELECT * FROM t1;
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a
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2
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3
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5
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# Clean up
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DROP TABLE t1, t2;
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# Test case 3: check for cooperation of the feature
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# 'skipping rows from a trigger' and execution of
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# the statement LOAD
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CREATE TABLE t1 (a INT);
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CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
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BEGIN
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IF NEW.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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# Test case 3.1: check for LOAD DATA INFILE
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# Prepare a file with dump of the table `t2` and
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# then use it for loading data into the table `t1`
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CREATE TABLE t2 (a INT);
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INSERT INTO t2 VALUES (1), (2), (1), (3), (5);
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SELECT * INTO OUTFILE 'MYSQLTEST_VARDIR/tmp/t2' FROM t2;
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# Execution of the following LOAD DATA INFILE statement produces warnings
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# for the rows (1) filtered out by the statement SIGNAL SQLSTATE '02TRG'
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# invoked from the trigger
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LOAD DATA INFILE 'MYSQLTEST_VARDIR/tmp/t2' INTO TABLE t1;
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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# Querying of the table `t1` should return three rows: (2), (3), (5)
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SELECT * FROM t1;
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a
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2
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3
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5
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# Clean up
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TRUNCATE TABLE t1;
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# Test case 3.2: check for LOAD XML INFILE
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# The same test with loading data from a file in presence of
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# a BEFORE INSERT trigger, but in this case the data to be loaded
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# is in xml format.
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# Prepare a file with dump of the table `t2` in xml format and
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# then use it for loading data into the table `t1`
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# Execution of the following LOAD XML INFILE statement produces warnings
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# for the rows (1) filtered out by the statement SIGNAL SQLSTATE '02TRG'
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# invoked from the trigger
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LOAD XML INFILE 'MYSQLTEST_VARDIR/tmp/loadxml-dump.xml' INTO TABLE t1 ROWS IDENTIFIED BY '<row>';
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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SELECT * FROM t1;
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a
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2
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3
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5
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# Clean up
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DROP TABLE t1, t2;
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# Test case 4: check that a row being deleted
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# can be filtered out by means running of a statement
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# SIGNAL SQLSTATE '02TRG' from the trigger body
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (1), (2), (3), (1);
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CREATE TRIGGER t1_bi BEFORE DELETE ON t1 FOR EACH ROW
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BEGIN
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IF OLD.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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# No rows deleted in result of running the following statement
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# Execution of the following DELETE statement produces warnings
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# for the row (1) filtered out by the statement SIGNAL SQLSTATE '02TRG'
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# invoked from the trigger
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DELETE FROM t1 WHERE a = 1;
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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# Show that the rows satisfying the condition a = 1 are retained
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# in the table. Expected output is the rows (1), (2), (3), (1)
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SELECT * FROM t1;
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a
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1
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2
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3
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1
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# Shows that rows with a column value different
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# from '1' are deleted successfully
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DELETE FROM t1 WHERE a = 2;
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# Expected output is the rows (1), (3), (1)
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SELECT * FROM t1;
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a
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1
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3
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1
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# Check that the DELETE statement without condition takes into
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# account the fact that some of rows should be skipped.
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DELETE FROM t1;
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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# Expected output is the rows (1), (1) since they are explicilty
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# skipped by the trigger logic
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SELECT * FROM t1;
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a
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1
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1
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# Clean up
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DROP TABLE t1;
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# Test case 5: check that AFTER INSERT/UPDATE/DELETE trigger is not fired
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# in case a row skipped by corresponding BEFORE trigger
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#
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CREATE TABLE t1 (a INT);
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CREATE TABLE t2 (a INT);
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# Test case 5.1: check for the pair BEFORE INSERT/AFTER INSERT
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CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
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BEGIN
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IF NEW.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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CREATE TRIGGER t1_ai AFTER INSERT ON t1 FOR EACH ROW
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BEGIN
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INSERT INTO t2 VALUES (NEW.a);
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END
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$
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INSERT INTO t1 VALUES (1), (2), (3);
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bi
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SELECT * FROM t1;
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a
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2
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3
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SELECT * FROM t2;
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a
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2
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3
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# Clean up
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DROP TABLE t1, t2;
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# Test case 5.2: check for the pair BEFORE DELETE/AFTER DELETE
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CREATE TABLE t1 (a INT);
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CREATE TABLE t2 (a INT);
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INSERT INTO t1 VALUES (1), (2), (3);
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CREATE TRIGGER t1_bd BEFORE DELETE ON t1 FOR EACH ROW
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BEGIN
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IF OLD.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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CREATE TRIGGER t1_ad AFTER DELETE ON t1 FOR EACH ROW
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BEGIN
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INSERT INTO t2 VALUES (OLD.a);
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END
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$
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DELETE FROM t1;
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bd
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# The row (1) is skipped by implementation of the trigger t1_bd,
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# therefore the row (1) isn't inserted into the table t2 since
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# the trigger t1_ad isn't fired for the row (1)
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SELECT * FROM t1;
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a
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1
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SELECT * FROM t2;
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a
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2
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3
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# Clean up
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DROP TABLE t1, t2;
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# Test case 5.3: check for the pair BEFORE UPDATE/AFTER UPDATE
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CREATE TABLE t1 (a INT);
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CREATE TABLE t2 (old_a INT, new_a INT);
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INSERT INTO t1 VALUES (1), (2), (3);
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CREATE TRIGGER t1_bu BEFORE UPDATE ON t1 FOR EACH ROW
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BEGIN
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IF OLD.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW
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BEGIN
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INSERT INTO t2 VALUES (OLD.a, NEW.a);
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END
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$
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# The following statement UPDATE doens't modify the row (1)
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# since this row is explicitly ignored by implementation of
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# trigger t1_bu, therefore the trigger t1_au is not fired
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# for this row and the row (1, 11) not inserted into the table t2
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UPDATE t1 SET a = a + 10;
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bu
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# Expected output of the following statement SELECT is (1), (12), (13)
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SELECT * FROM t1;
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a
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1
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12
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13
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# Expected output of query from the table t2 is (2, 12), (3, 13)
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SELECT * FROM t2;
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old_a new_a
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2 12
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3 13
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# Clean up
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DROP TABLE t1, t2;
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# Test case 6: check cooperation of UPDATE with the
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# 'skipping a row from a trigger' feature
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (1), (2), (1), (3), (5);
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CREATE TRIGGER t1_bd BEFORE UPDATE ON t1 FOR EACH ROW
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BEGIN
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IF OLD.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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# Check for update with condition
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UPDATE t1 SET a = 1000 WHERE a = 1;
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bd
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bd
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# Expected result is the rows (1), (2), (1), (3), (5)
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SELECT * FROM t1;
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a
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1
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2
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1
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3
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5
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# Check for unconditional update
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UPDATE t1 SET a = a + 100;
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bd
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bd
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# Expected result is the rows (1), (102), (1), (103), (105)
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SELECT * FROM t1;
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a
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1
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102
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1
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103
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105
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# Multi-update
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TRUNCATE TABLE t1;
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INSERT INTO t1 VALUES (1), (2), (1), (3), (5);
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CREATE TABLE t2 (a INT);
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INSERT INTO t2 VALUES (1), (3);
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# In multi-update the trigger skips an update of
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# the first table only (the one that has an associated trigger),
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# the second table (without a trigger) is still updated
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UPDATE t1, t2 SET t1.a = t1.a + 300, t2.a = t2.a + 300 WHERE t1.a = t2.a;
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Warnings:
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bd
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Error 4208 The row is skipped by a trigger implementation
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Note 4094 At line 4 in test.t1_bd
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# Expected results is the rows (1), (2), (1), (303), (5)
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SELECT * FROM t1;
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a
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1
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2
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1
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303
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5
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# Expected results is the rows (301), (303)
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SELECT * FROM t2;
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a
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301
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303
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# Clean up
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DROP TABLE t1, t2;
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# Test case 7: check that MESSAGE_TEXT and MYSQL_ERRNOR still
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# can be assigned by a user for SQLSTATE '02TRG'
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CREATE TABLE t1 (a INT);
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CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW
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BEGIN
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IF NEW.a = 1 THEN
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SIGNAL SQLSTATE '02TRG' SET MYSQL_ERRNO=1, MESSAGE_TEXT='This value is intentionally ignored';
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END IF;
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END
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$
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# Execution of the following INSERT statement produces warnings
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# for the row (1) filtered out by the statement SIGNAL SQLSTATE '02TRG'
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# invoked from the trigger. The errno has value 1 and the message is
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# is the text message 'This value is intentionally ignored'
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INSERT INTO t1 VALUES (1), (2), (3);
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Warnings:
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Error 1 This value is intentionally ignored
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Note 4094 At line 4 in test.t1_bi
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# Expected output is the rows (2), (3)
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SELECT * FROM t1;
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a
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2
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3
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# Clean up
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DROP TABLE t1;
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# Test case 8: check that SQLSTATE '02TRG' doesn't have any special
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# meaning in AFTER triggers
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# Test case 8.1: check it for AFTER INSERT trigger
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CREATE TABLE t1 (a INT);
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CREATE TRIGGER t1_ai AFTER INSERT ON t1 FOR EACH ROW
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BEGIN
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IF NEW.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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# There is no a handler for the signal raised from inside
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# the trigger t1_ai, so the statement INSERT INTO fails
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# with the error ER_SIGNAL_NOT_FOUND
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INSERT INTO t1 VALUES (1);
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ERROR 02TRG: Unhandled user-defined not found condition
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SELECT * FROM t1;
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a
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1
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# Clean up
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DROP TABLE t1;
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# Test case 8.2: check it for AFTER UPDATE trigger
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CREATE TABLE t1 (a INT);
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CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW
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BEGIN
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IF OLD.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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INSERT INTO t1 VALUES (1);
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# There is no a handler for the signal raised from inside
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# the trigger t1_au, so the statement UPDATE fails
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# with the error ER_SIGNAL_NOT_FOUND
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UPDATE t1 SET a = 10;
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ERROR 02TRG: Unhandled user-defined not found condition
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SELECT * FROM t1;
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a
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10
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# Clean up
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DROP TABLE t1;
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# Test case 8.3: check it for AFTER DELETE trigger
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (1);
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CREATE TRIGGER t1_ad AFTER DELETE ON t1 FOR EACH ROW
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BEGIN
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IF OLD.a = 1 THEN
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SIGNAL SQLSTATE '02TRG';
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END IF;
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END
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$
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# There is no a handler for the signal raised from inside
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# the trigger t1_ad, so the statement DELETE fails
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# with the error ER_SIGNAL_NOT_FOUND
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DELETE FROM t1;
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ERROR 02TRG: Unhandled user-defined not found condition
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SELECT * FROM t1;
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a
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# Clean up
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DROP TABLE t1;
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# End of 11.8 tests
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