ClickHouse/dbms/tests/queries/0_stateless/00652_mergetree_mutations.sh

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#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. $CURDIR/../shell_config.sh
. $CURDIR/mergetree_mutations.lib
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${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.mutations"
${CLICKHOUSE_CLIENT} --query="CREATE TABLE test.mutations(d Date, x UInt32, s String, a UInt32 ALIAS x + 1) ENGINE MergeTree(d, intDiv(x, 10), 8192)"
# Test a mutation on empty table
${CLICKHOUSE_CLIENT} --query="ALTER TABLE test.mutations DELETE WHERE x = 1"
# Insert some data
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.mutations(d, x, s) VALUES \
('2000-01-01', 1, 'a')"
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.mutations(d, x, s) VALUES \
('2000-01-01', 2, 'b'), ('2000-01-01', 3, 'c'), ('2000-01-01', 4, 'd') \
('2000-02-01', 2, 'b'), ('2000-02-01', 3, 'c'), ('2000-02-01', 4, 'd')"
# Try some malformed queries that should fail validation.
${CLICKHOUSE_CLIENT} --query="ALTER TABLE test.mutations DELETE WHERE nonexistent = 0" 2>/dev/null || echo "Query should fail 1"
${CLICKHOUSE_CLIENT} --query="ALTER TABLE test.mutations DELETE WHERE d = '11'" 2>/dev/null || echo "Query should fail 2"
# TODO: Queries involving alias columns are not supported yet and should fail on submission.
${CLICKHOUSE_CLIENT} --query="ALTER TABLE test.mutations DELETE WHERE a = 0" 2>/dev/null || echo "Query involving aliases should fail on submission"
# Delete some values
${CLICKHOUSE_CLIENT} --query="ALTER TABLE test.mutations DELETE WHERE x % 2 = 1"
${CLICKHOUSE_CLIENT} --query="ALTER TABLE test.mutations DELETE WHERE s = 'd'"
# Insert more data
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.mutations(d, x, s) VALUES \
('2000-01-01', 5, 'e'), ('2000-02-01', 5, 'e')"
# Wait until the last mutation is done.
wait_for_mutation "mutations" "mutation_6.txt"
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# Check that the table contains only the data that should not be deleted.
${CLICKHOUSE_CLIENT} --query="SELECT * FROM test.mutations ORDER BY d, x"
# Check the contents of the system.mutations table.
${CLICKHOUSE_CLIENT} --query="SELECT mutation_id, command, block_numbers.partition_id, block_numbers.number, parts_to_do, is_done \
FROM system.mutations WHERE table = 'mutations' ORDER BY mutation_id"
${CLICKHOUSE_CLIENT} --query="SELECT '*** Test mutations cleaner ***'"
${CLICKHOUSE_CLIENT} --query="DROP TABLE IF EXISTS test.mutations_cleaner"
# Create a table with finished_mutations_to_keep = 2
${CLICKHOUSE_CLIENT} --query="CREATE TABLE test.mutations_cleaner(x UInt32) ENGINE MergeTree ORDER BY x SETTINGS finished_mutations_to_keep = 2"
# Insert some data
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.mutations_cleaner(x) VALUES (1), (2), (3), (4)"
# Add some mutations and wait for their execution
${CLICKHOUSE_CLIENT} --query="ALTER TABLE test.mutations_cleaner DELETE WHERE x = 1"
${CLICKHOUSE_CLIENT} --query="ALTER TABLE test.mutations_cleaner DELETE WHERE x = 2"
${CLICKHOUSE_CLIENT} --query="ALTER TABLE test.mutations_cleaner DELETE WHERE x = 3"
wait_for_mutation "mutations_cleaner" "mutation_4.txt"
# Sleep and then do an INSERT to wakeup the background task that will clean up the old mutations
sleep 1
${CLICKHOUSE_CLIENT} --query="INSERT INTO test.mutations_cleaner(x) VALUES (4)"
sleep 0.1
# Check that the first mutation is cleaned
${CLICKHOUSE_CLIENT} --query="SELECT mutation_id, command, is_done FROM system.mutations WHERE table = 'mutations_cleaner' ORDER BY mutation_id"
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${CLICKHOUSE_CLIENT} --query="DROP TABLE test.mutations"
${CLICKHOUSE_CLIENT} --query="DROP TABLE test.mutations_cleaner"