polardbxengine/mysql-test/suite/xengine/t/tbl_opt_union.test

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--source suite/xengine/include/have_xengine.inc
#
# Check whether UNION option
# is supported in CREATE and ALTER TABLE
#
# Note: the test does not check whether the option
# has any real effect on the table, only
# that it's accepted
#
--disable_warnings
DROP TABLE IF EXISTS t1, child1, child2;
--enable_warnings
CREATE TABLE child1 (a INT PRIMARY KEY);
CREATE TABLE child2 (a INT PRIMARY KEY);
CREATE TABLE t1 (a INT PRIMARY KEY) UNION(child1);
SHOW CREATE TABLE t1;
ALTER TABLE t1 UNION = (child1,child2);
SHOW CREATE TABLE t1;
DROP TABLE t1, child1, child2;
--source suite/xengine/include/check_xengine_log_error.inc