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|
--echo #
--echo # MDEV-16325 CREATE..SELECT..UNION creates a wrong field type for old varchar
--echo #
DELIMITER $$;
CREATE PROCEDURE p1(col VARCHAR(32))
BEGIN
EXECUTE IMMEDIATE REPLACE('CREATE TABLE t2_simple AS SELECT col FROM t1old','col',col);
SHOW CREATE TABLE t2_simple;
DROP TABLE t2_simple;
EXECUTE IMMEDIATE REPLACE('CREATE TABLE t2_union_vv AS SELECT col FROM t1old UNION SELECT col FROM t1old','col',col);
SHOW CREATE TABLE t2_union_vv;
DROP TABLE t2_union_vv;
EXECUTE IMMEDIATE REPLACE('CREATE TABLE t2_union_vn AS SELECT col FROM t1old UNION SELECT NULL','col',col);
SHOW CREATE TABLE t2_union_vn;
DROP TABLE t2_union_vn;
EXECUTE IMMEDIATE REPLACE('CREATE TABLE t2_union_nv AS SELECT NULL AS col UNION SELECT col FROM t1old','col',col);
SHOW CREATE TABLE t2_union_nv;
DROP TABLE t2_union_nv;
EXECUTE IMMEDIATE REPLACE('CREATE TABLE t2 AS SELECT
COALESCE(col),
COALESCE(col,col),
COALESCE(col,NULL),
COALESCE(NULL,col)
FROM t1old', 'col', col);
SHOW CREATE TABLE t2;
DROP TABLE t2;
EXECUTE IMMEDIATE REPLACE('CREATE TABLE t2 AS SELECT
LEAST(col,col),
LEAST(col,NULL),
LEAST(NULL,col)
FROM t1old','col',col);
SHOW CREATE TABLE t2;
DROP TABLE t2;
END;
$$
DELIMITER ;$$
let $MYSQLD_DATADIR= `SELECT @@datadir`;
copy_file $MYSQL_TEST_DIR/std_data/vchar.frm $MYSQLD_DATADIR/test/t1old.frm;
TRUNCATE TABLE t1old;
SHOW CREATE TABLE t1old;
CALL p1('v');
DROP TABLE t1old;
let $MYSQLD_DATADIR= `SELECT @@datadir`;
copy_file $MYSQL_TEST_DIR/std_data/bug19371.frm $MYSQLD_DATADIR/test/t1old.frm;
TRUNCATE TABLE t1old;
SHOW CREATE TABLE t1old;
CALL p1('a');
DROP TABLE t1old;
DROP PROCEDURE p1;
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