ClickHouse/dbms/tests/queries/0_stateless/01055_prewhere_bugs.sql
2019-12-31 16:09:37 +08:00

15 lines
726 B
SQL

DROP TABLE IF EXISTS test_prewhere_default_column;
DROP TABLE IF EXISTS test_prewhere_column_type;
CREATE TABLE test_prewhere_default_column (APIKey UInt8, SessionType UInt8) ENGINE = MergeTree() PARTITION BY APIKey ORDER BY tuple();
INSERT INTO test_prewhere_default_column VALUES( 42, 42 );
ALTER TABLE test_prewhere_default_column ADD COLUMN OperatingSystem UInt64 DEFAULT SessionType+1;
SELECT OperatingSystem FROM test_prewhere_default_column PREWHERE SessionType = 42;
CREATE TABLE test_prewhere_column_type (`a` LowCardinality(String), `x` Nullable(Int32)) ENGINE = MergeTree ORDER BY tuple();
INSERT INTO test_prewhere_column_type VALUES ('', 2);
SELECT a, y FROM test_prewhere_column_type prewhere (x = 2) AS y;