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Test for fixed bug (#9862)

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Artem Zuikov 2020-03-26 12:32:54 +03:00 committed by GitHub
parent adca27cb45
commit 5b6a6b9b01
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dbms/tests/queries/0_stateless/01101_prewhere_after_alter.reference Normal file
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dbms/tests/queries/0_stateless/01101_prewhere_after_alter.sql Normal file
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DROP TABLE IF EXISTS test_a;
DROP TABLE IF EXISTS test_b;
CREATE TABLE test_a
(
OldColumn String DEFAULT '',
EventDate Date DEFAULT toDate(EventTime),
EventTime DateTime
) ENGINE = MergeTree(EventDate, EventTime, 8192);
CREATE TABLE test_b
(
OldColumn String DEFAULT '',
NewColumn String DEFAULT '',
EventDate Date DEFAULT toDate(EventTime),
EventTime DateTime
) ENGINE = MergeTree(EventDate, EventTime, 8192);
INSERT INTO test_a (OldColumn, EventTime) VALUES('1', now());
INSERT INTO test_b (OldColumn, NewColumn, EventTime) VALUES('1', '1a', now());
INSERT INTO test_b (OldColumn, NewColumn, EventTime) VALUES('2', '2a', now());
ALTER TABLE test_a ADD COLUMN NewColumn String DEFAULT '' AFTER OldColumn;
INSERT INTO test_a (OldColumn, NewColumn, EventTime) VALUES('2', '2a', now());
SELECT NewColumn
FROM test_a
INNER JOIN
(SELECT OldColumn, NewColumn FROM test_b) s
Using OldColumn
PREWHERE NewColumn != '';
DROP TABLE test_a;
DROP TABLE test_b;