ClickHouse/tests/queries/0_stateless/00340_squashing_insert_select.sql

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DROP TABLE IF EXISTS numbers_squashed;
CREATE TABLE numbers_squashed AS system.numbers ENGINE = StripeLog;
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SET max_block_size = 10000;
SET min_insert_block_size_rows = 1000000;
SET min_insert_block_size_bytes = 0;
INSERT INTO numbers_squashed SELECT * FROM system.numbers LIMIT 10000000;
SELECT blockSize() AS b, count() / b AS c FROM numbers_squashed GROUP BY blockSize() ORDER BY c DESC;
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SET min_insert_block_size_bytes = 1000000;
INSERT INTO numbers_squashed SELECT * FROM system.numbers LIMIT 10000000;
SELECT blockSize() AS b, count() / b AS c FROM numbers_squashed GROUP BY blockSize() ORDER BY c DESC;
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SELECT count() FROM numbers_squashed;
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DROP TABLE numbers_squashed;