ClickHouse/tests/queries/0_stateless/00314_sample_factor_virtual_column.sql
Ivan 97f2a2213e
Move all folders inside /dbms one level up (#9974)
* Move some code outside dbms/src folder
* Fix paths
2020-04-02 02:51:21 +03:00

21 lines
1014 B
SQL

DROP TABLE IF EXISTS sample_00314_1;
DROP TABLE IF EXISTS sample_00314_2;
DROP TABLE IF EXISTS sample_merge_00314;
CREATE TABLE sample_00314_1 (x UInt64, d Date DEFAULT today()) ENGINE = MergeTree(d, intHash64(x), intHash64(x), 10);
CREATE TABLE sample_00314_2 (x UInt64, d Date DEFAULT today()) ENGINE = MergeTree(d, intHash64(x), intHash64(x), 10);
SET min_insert_block_size_rows = 0, min_insert_block_size_bytes = 0;
INSERT INTO sample_00314_1 (x) SELECT number AS x FROM system.numbers LIMIT 1000000;
INSERT INTO sample_00314_2 (x) SELECT number AS x FROM system.numbers LIMIT 2000000;
CREATE TABLE sample_merge_00314 AS sample_00314_1 ENGINE = Merge(currentDatabase(), '^sample_00314_\\d$');
SELECT abs(sum(_sample_factor) - 3000000) / 3000000 < 0.001 FROM sample_merge_00314 SAMPLE 100000;
SELECT abs(sum(_sample_factor) - 3000000) / 3000000 < 0.001 FROM merge(currentDatabase(), '^sample_00314_\\d$') SAMPLE 100000;
DROP TABLE sample_00314_1;
DROP TABLE sample_00314_2;
DROP TABLE sample_merge_00314;