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61 lines
1.6 KiB
Text
61 lines
1.6 KiB
Text
#
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# Test of update statement that uses many tables,
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# --max_heap_table_size=1
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#
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--disable_warnings
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drop table if exists t1, t2;
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--enable_warnings
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--echo #
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--echo # Bug #36676: multiupdate using LEFT JOIN updates only
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--echo # first row or fails with an error:
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--echo # ERROR 1022 (23000): Can't write; duplicate key in table ''
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--echo #
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--echo
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--echo #
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--echo # Multiupdate creates MyISAM temporary table without MEMORY table
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--echo #
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CREATE TABLE t1 (ID INT);
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CREATE TABLE t2 (ID INT,
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s1 TEXT, s2 TEXT, s3 VARCHAR(10), s4 TEXT, s5 VARCHAR(10));
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INSERT INTO t1 VALUES (1),(2);
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INSERT INTO t2 VALUES (1,'test', 'test', 'test', 'test', 'test'),
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(2,'test', 'test', 'test', 'test', 'test');
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SELECT * FROM t1 LEFT JOIN t2 USING(ID);
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UPDATE t1 LEFT JOIN t2 USING(ID) SET s1 = 'changed';
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UPDATE t1 JOIN t2 USING(ID) SET s2 = 'changed';
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UPDATE t1 LEFT JOIN t2 USING(ID) SET s3 = 'changed';
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UPDATE t1 LEFT JOIN t2 USING(ID) SET s4 = 'changed', s5 = 'changed';
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SELECT * FROM t1 LEFT JOIN t2 USING(ID);
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DROP TABLE t1, t2;
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--echo #
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--echo # Multiupdate creates temporary MyISAM table from MEMORY table
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--echo #
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CREATE TABLE t1 (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY);
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CREATE TABLE t2 (id INT, s1 CHAR(255));
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# insert [1..64] into table `t1`
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INSERT INTO t1 VALUES (0), (0), (0), (0), (0), (0), (0), (0);
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INSERT INTO t1 (SELECT 0 FROM t1);
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INSERT INTO t1 (SELECT 0 FROM t1);
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INSERT INTO t1 (SELECT 0 FROM t1);
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INSERT INTO t2 (SELECT ID, 'a' FROM t1);
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UPDATE t1 LEFT JOIN t2 USING(id) SET s1 = 'b';
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SELECT DISTINCT s1 FROM t1 LEFT JOIN t2 USING(id);
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DROP TABLE t1, t2;
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--echo # End of 5.0 tests
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