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26 lines
809 B
Text
26 lines
809 B
Text
# This is the test for bug #54044. Special handle MYSQL_TYPE_NULL type
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# during create table, so it will not trigger assertion failure.
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--source include/have_innodb.inc
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# This 'create table' operation no longer uses the NULL datatype.
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CREATE TEMPORARY TABLE table_54044 ENGINE = INNODB
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AS SELECT IF(NULL IS NOT NULL, NULL, NULL);
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SHOW CREATE TABLE table_54044;
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DROP TABLE table_54044;
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CREATE TABLE tmp ENGINE = INNODB AS SELECT COALESCE(NULL, NULL, NULL), GREATEST(NULL, NULL), NULL;
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SHOW CREATE TABLE tmp;
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DROP TABLE tmp;
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# These 'create table' operations should fail because of
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# using NULL datatype
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CREATE TABLE t1 (a VARCHAR(3)) ENGINE=InnoDB;
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INSERT INTO t1 VALUES ('foo'),('bar');
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FLUSH TABLES;
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--error 1005
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CREATE TEMPORARY TABLE tmp ENGINE=InnoDB AS SELECT VALUES(a) FROM t1;
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DROP TABLE t1;
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