ClickHouse/dbms/tests/queries/0_stateless/00939_test_null_in.sql
2019-04-30 11:50:30 +08:00

12 lines
336 B
SQL

DROP TABLE IF EXISTS test.nullt;
CREATE TABLE test.nullt (c1 Nullable(UInt32), c2 Nullable(String))ENGINE = Log;
INSERT INTO test.nullt VALUES (1, 'abc'), (2, NULL), (NULL, NULL);
SELECT c2 = ('abc') FROM test.nullt;
SELECT c2 IN ('abc') FROM test.nullt;
SELECT c2 IN ('abc', NULL) FROM test.nullt;
DROP TABLE IF EXISTS test.nullt;