ClickHouse/tests/queries/0_stateless/02452_check_low_cardinality.sql
2022-10-31 13:23:27 +01:00

56 lines
3.2 KiB
SQL

-- Tags: no-fasttest
DROP TABLE IF EXISTS test_low_cardinality_string;
DROP TABLE IF EXISTS test_low_cardinality_uuid;
DROP TABLE IF EXISTS test_low_cardinality_int;
CREATE TABLE test_low_cardinality_string (data String) ENGINE MergeTree ORDER BY data;
CREATE TABLE test_low_cardinality_uuid (data String) ENGINE MergeTree ORDER BY data;
CREATE TABLE test_low_cardinality_int (data String) ENGINE MergeTree ORDER BY data;
INSERT INTO test_low_cardinality_string (data) VALUES ('{"a": "hi", "b": "hello", "c": "hola", "d": "see you, bye, bye"}');
INSERT INTO test_low_cardinality_int (data) VALUES ('{"a": 11, "b": 2222, "c": 33333333, "d": 4444444444444444}');
INSERT INTO test_low_cardinality_uuid (data) VALUES ('{"a": "2d49dc6e-ddce-4cd0-afb8-790956df54c4", "b": "2d49dc6e-ddce-4cd0-afb8-790956df54c3", "c": "2d49dc6e-ddce-4cd0-afb8-790956df54c1", "d": "2d49dc6e-ddce-4cd0-afb8-790956df54c1"}');
SELECT JSONExtract(data, 'Tuple(
a LowCardinality(String),
b LowCardinality(String),
c LowCardinality(String),
d LowCardinality(String)
)') AS json FROM test_low_cardinality_string;
SELECT JSONExtract(data, 'Tuple(
a LowCardinality(FixedString(20)),
b LowCardinality(FixedString(20)),
c LowCardinality(FixedString(20)),
d LowCardinality(FixedString(20))
)') AS json FROM test_low_cardinality_string;
SELECT JSONExtract(data, 'Tuple(
a LowCardinality(Int8),
b LowCardinality(Int8),
c LowCardinality(Int8),
d LowCardinality(Int8)
)') AS json FROM test_low_cardinality_int;
SELECT JSONExtract(data, 'Tuple(
a LowCardinality(Int16),
b LowCardinality(Int16),
c LowCardinality(Int16),
d LowCardinality(Int16)
)') AS json FROM test_low_cardinality_int;
SELECT JSONExtract(data, 'Tuple(
a LowCardinality(Int32),
b LowCardinality(Int32),
c LowCardinality(Int32),
d LowCardinality(Int32)
)') AS json FROM test_low_cardinality_int;
SELECT JSONExtract(data, 'Tuple(
a LowCardinality(Int64),
b LowCardinality(Int64),
c LowCardinality(Int64),
d LowCardinality(Int64)
)') AS json FROM test_low_cardinality_int;
SELECT JSONExtract(data, 'Tuple(
a LowCardinality(UUID),
b LowCardinality(UUID),
c LowCardinality(UUID),
d LowCardinality(UUID)
)') AS json FROM test_low_cardinality_uuid;
DROP TABLE test_low_cardinality_string;
DROP TABLE test_low_cardinality_uuid;
DROP TABLE test_low_cardinality_int;