mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 00:22:29 +00:00
48 lines
1.6 KiB
SQL
48 lines
1.6 KiB
SQL
DROP TABLE IF EXISTS t_01411;
|
|
|
|
CREATE TABLE t_01411(
|
|
str LowCardinality(String),
|
|
arr Array(LowCardinality(String)) default [str]
|
|
) ENGINE = MergeTree()
|
|
ORDER BY tuple();
|
|
|
|
INSERT INTO t_01411 (str) SELECT concat('asdf', toString(number % 10000)) FROM numbers(1000000);
|
|
|
|
SELECT count() FROM t_01411 WHERE str = 'asdf337';
|
|
SELECT count() FROM t_01411 WHERE arr[1] = 'asdf337';
|
|
SELECT count() FROM t_01411 WHERE has(arr, 'asdf337');
|
|
SELECT count() FROM t_01411 WHERE indexOf(arr, 'asdf337') > 0;
|
|
|
|
SELECT count() FROM t_01411 WHERE arr[1] = str;
|
|
SELECT count() FROM t_01411 WHERE has(arr, str);
|
|
SELECT count() FROM t_01411 WHERE indexOf(arr, str) > 0;
|
|
|
|
DROP TABLE IF EXISTS t_01411;
|
|
DROP TABLE IF EXISTS t_01411_num;
|
|
|
|
CREATE TABLE t_01411_num(
|
|
num UInt8,
|
|
arr Array(LowCardinality(Int64)) default [num]
|
|
) ENGINE = MergeTree()
|
|
ORDER BY tuple();
|
|
|
|
INSERT INTO t_01411_num (num) SELECT number % 1000 FROM numbers(1000000);
|
|
|
|
SELECT count() FROM t_01411_num WHERE num = 42;
|
|
SELECT count() FROM t_01411_num WHERE arr[1] = 42;
|
|
SELECT count() FROM t_01411_num WHERE has(arr, 42);
|
|
SELECT count() FROM t_01411_num WHERE indexOf(arr, 42) > 0;
|
|
|
|
SELECT count() FROM t_01411_num WHERE arr[1] = num;
|
|
SELECT count() FROM t_01411_num WHERE has(arr, num);
|
|
SELECT count() FROM t_01411_num WHERE indexOf(arr, num) > 0;
|
|
SELECT count() FROM t_01411_num WHERE indexOf(arr, num % 337) > 0;
|
|
|
|
-- Checking Arr(String) and LC(String)
|
|
SELECT indexOf(['a', 'b', 'c'], toLowCardinality('a'));
|
|
|
|
-- Checking Arr(Nullable(String)) and LC(String)
|
|
SELECT indexOf(['a', 'b', NULL], toLowCardinality('a'));
|
|
|
|
DROP TABLE IF EXISTS t_01411_num;
|