ClickHouse/tests/queries/0_stateless/02286_drop_filesystem_cache.sh

#!/usr/bin/env bash
# Tags: long, no-fasttest, no-parallel, no-s3-storage, no-random-settings

# set -x

CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CUR_DIR"/../shell_config.sh

for STORAGE_POLICY in 's3_cache' 'local_cache'; do
    echo "Using storage policy: $STORAGE_POLICY"
    $CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS test_02286"

    $CLICKHOUSE_CLIENT -n --query "CREATE TABLE test_02286 (key UInt32, value String)
                                   Engine=MergeTree()
                                   ORDER BY key
                                   SETTINGS storage_policy='$STORAGE_POLICY', min_bytes_for_wide_part = 10485760"

    $CLICKHOUSE_CLIENT --query "SYSTEM STOP MERGES"
    $CLICKHOUSE_CLIENT --query "SYSTEM DROP FILESYSTEM CACHE"

    $CLICKHOUSE_CLIENT --query "SELECT count() FROM system.filesystem_cache"
    $CLICKHOUSE_CLIENT --enable_filesystem_cache_on_write_operations=0 --query "INSERT INTO test_02286 SELECT number, toString(number) FROM numbers(100)"

    $CLICKHOUSE_CLIENT --query "SELECT * FROM test_02286 FORMAT Null"
    $CLICKHOUSE_CLIENT --query "SELECT count() FROM system.filesystem_cache"

    $CLICKHOUSE_CLIENT --query "SYSTEM DROP FILESYSTEM CACHE"
    $CLICKHOUSE_CLIENT --query "SELECT count() FROM system.filesystem_cache"

    $CLICKHOUSE_CLIENT --query "SELECT * FROM test_02286 FORMAT Null"
    $CLICKHOUSE_CLIENT --query "SELECT count() FROM system.filesystem_cache"

    $CLICKHOUSE_CLIENT --multiline --multiquery --query "SYSTEM DROP FILESYSTEM CACHE './data'; --{serverError 36}"

    $CLICKHOUSE_CLIENT --query "SELECT count() FROM system.filesystem_cache"

    $CLICKHOUSE_CLIENT --query "SELECT * FROM test_02286 FORMAT Null"
    $CLICKHOUSE_CLIENT --query "SELECT count() FROM system.filesystem_cache"

    $CLICKHOUSE_CLIENT -n --query "SELECT count()
                                   FROM (
                                       SELECT
                                           arrayJoin(cache_paths) AS cache_path,
                                           local_path,
                                           remote_path
                                       FROM
                                           system.remote_data_paths
                                       ) AS data_paths
                                   INNER JOIN system.filesystem_cache AS caches
                                   ON data_paths.cache_path = caches.cache_path"

    $CLICKHOUSE_CLIENT --query "DROP TABLE test_02286 NO DELAY"
    $CLICKHOUSE_CLIENT --query "SELECT count() FROM system.filesystem_cache"

    $CLICKHOUSE_CLIENT --query "SELECT cache_path FROM system.filesystem_cache"
    $CLICKHOUSE_CLIENT -n --query "SELECT cache_path, local_path
                                   FROM (
                                       SELECT
                                           arrayJoin(cache_paths) AS cache_path,
                                           local_path,
                                           remote_path
                                       FROM
                                           system.remote_data_paths
                                       ) AS data_paths
                                   INNER JOIN system.filesystem_cache AS caches
                                   ON data_paths.cache_path = caches.cache_path"

    $CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS test_022862"

    $CLICKHOUSE_CLIENT -n --query "CREATE TABLE test_022862 (key UInt32, value String)
                                Engine=MergeTree()
                                ORDER BY key
                                SETTINGS storage_policy='${STORAGE_POLICY}_2', min_bytes_for_wide_part = 10485760"

    $CLICKHOUSE_CLIENT --enable_filesystem_cache_on_write_operations=0 --query "INSERT INTO test_022862 SELECT number, toString(number) FROM numbers(100)"
    $CLICKHOUSE_CLIENT --query "SELECT * FROM test_022862 FORMAT Null"
    $CLICKHOUSE_CLIENT --query "SELECT count() FROM system.filesystem_cache"

    $CLICKHOUSE_CLIENT --query "SYSTEM DROP FILESYSTEM CACHE '${STORAGE_POLICY}_2/'"
    $CLICKHOUSE_CLIENT --query "SELECT count() FROM system.filesystem_cache"

    $CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS test_022862"
done