ClickHouse/tests/queries/0_stateless/01913_quantile_deterministic.sh
2023-08-13 23:09:16 +02:00

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#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
${CLICKHOUSE_CLIENT} --query "DROP TABLE IF EXISTS d"
${CLICKHOUSE_CLIENT} --query "CREATE TABLE d (oid UInt64) ENGINE = MergeTree ORDER BY oid SETTINGS index_granularity = 8192, index_granularity_bytes = '10Mi'"
${CLICKHOUSE_CLIENT} --min_insert_block_size_rows 0 --min_insert_block_size_bytes 0 --max_block_size 8192 --query "insert into d select * from numbers(1000000)"
# In previous ClickHouse versions there was a mistake that makes quantileDeterministic functions not really deterministic (in edge cases).
for _ in {1..20};
do
${CLICKHOUSE_CLIENT} --query "SELECT medianDeterministic(oid, oid) FROM d"
done
${CLICKHOUSE_CLIENT} --query "DROP TABLE d"