ClickHouse/tests/queries/0_stateless/01115_prewhere_array_join.sql

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DROP TABLE IF EXISTS prewhere;
CREATE TABLE prewhere (light UInt8, heavy String) ENGINE = MergeTree ORDER BY tuple();
INSERT INTO prewhere SELECT 0, randomPrintableASCII(10000) FROM numbers(10000);
SELECT arrayJoin([light]) != 0 AS cond, length(heavy) FROM prewhere WHERE light != 0 AND cond != 0;
DROP TABLE prewhere;