ClickHouse/dbms/tests/queries/0_stateless/00971_merge_tree_uniform_read_distribution_and_max_rows_to_read.sql
2019-07-15 23:06:20 +03:00

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344 B
SQL

DROP TABLE IF EXISTS merge_tree;
CREATE TABLE merge_tree (x UInt8) ENGINE = MergeTree ORDER BY x;
INSERT INTO merge_tree SELECT 0 FROM numbers(1000000);
SET max_threads = 4;
SET max_rows_to_read = 1100000;
SELECT count() FROM merge_tree;
SET merge_tree_uniform_read_distribution = 0;
SELECT count() FROM merge_tree;
DROP TABLE merge_tree;