ClickHouse/tests/queries/0_stateless/01415_sticking_mutations.sh

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#!/usr/bin/env bash
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set -e
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS sticking_mutations"
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function check_sticky_mutations()
{
$CLICKHOUSE_CLIENT -n --query "CREATE TABLE sticking_mutations (
date Date,
key UInt64,
value1 String,
value2 UInt8
)
ENGINE = MergeTree()
ORDER BY key;"
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$CLICKHOUSE_CLIENT --query "INSERT INTO sticking_mutations SELECT toDate('2020-07-10'), number, toString(number), number % 128 FROM numbers(1000)"
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$CLICKHOUSE_CLIENT --query "INSERT INTO sticking_mutations SELECT toDate('2100-01-10'), number, toString(number), number % 128 FROM numbers(1000)"
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# if merges stopped for normal merge tree mutations will stick
$CLICKHOUSE_CLIENT --query "SYSTEM STOP MERGES sticking_mutations"
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$CLICKHOUSE_CLIENT --query "$1" &
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##### wait mutation to start #####
check_query="SELECT count() FROM system.mutations WHERE table='sticking_mutations' and database='$CLICKHOUSE_DATABASE' and is_done = 0"
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query_result=$($CLICKHOUSE_CLIENT --query="$check_query" 2>&1)
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for _ in {1..50}
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do
query_result=$($CLICKHOUSE_CLIENT --query="$check_query" 2>&1)
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if ! [ "$query_result" == "0" ]; then break; fi
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sleep 0.5
done
##### wait mutation to start #####
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# Starting merges to execute sticked mutations
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$CLICKHOUSE_CLIENT --query "SYSTEM START MERGES sticking_mutations"
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# Just to be sure, that previous mutations finished
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$CLICKHOUSE_CLIENT --query "ALTER TABLE sticking_mutations DELETE WHERE value2 % 31 == 0 SETTINGS mutations_sync = 1"
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$CLICKHOUSE_CLIENT --query "OPTIMIZE TABLE sticking_mutations FINAL"
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$CLICKHOUSE_CLIENT --query "SELECT sum(cityHash64(*)) > 1 FROM sticking_mutations WHERE key > 10"
$CLICKHOUSE_CLIENT --query "SHOW CREATE TABLE sticking_mutations"
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS sticking_mutations"
}
check_sticky_mutations "ALTER TABLE sticking_mutations DELETE WHERE value2 % 32 == 0, MODIFY COLUMN value1 UInt64"
check_sticky_mutations "ALTER TABLE sticking_mutations MODIFY COLUMN value1 UInt64, DELETE WHERE value2 % 32 == 0"
check_sticky_mutations "ALTER TABLE sticking_mutations UPDATE value1 = 15 WHERE key < 2000, DELETE WHERE value2 % 32 == 0"
check_sticky_mutations "ALTER TABLE sticking_mutations DELETE WHERE value2 % 32 == 0, UPDATE value1 = 15 WHERE key < 2000"
check_sticky_mutations "ALTER TABLE sticking_mutations DELETE WHERE value2 % 32 == 0, DROP COLUMN value1"
check_sticky_mutations "ALTER TABLE sticking_mutations DELETE WHERE value2 % 32 == 0, RENAME COLUMN value1 TO renamed_value1"
check_sticky_mutations "ALTER TABLE sticking_mutations MODIFY COLUMN value1 UInt64, MODIFY TTL date + INTERVAL 1 DAY"