ClickHouse/tests/queries/0_stateless/01853_dictionary_cache_duplicates.sh

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#!/usr/bin/env bash
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# Tags: no-parallel
CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CUR_DIR"/../shell_config.sh
function run_test_once()
{
$CLICKHOUSE_CLIENT -nm -q "
DROP TABLE IF EXISTS simple_key_source_table_01863;
CREATE TABLE simple_key_source_table_01863
(
id UInt64,
value String
) ENGINE = TinyLog();
INSERT INTO simple_key_source_table_01863 VALUES (1, 'First');
INSERT INTO simple_key_source_table_01863 VALUES (1, 'First');
CREATE DICTIONARY simple_key_cache_dictionary_01863
(
id UInt64,
value String
)
PRIMARY KEY id
SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() TABLE 'simple_key_source_table_01863'))
LAYOUT(CACHE(SIZE_IN_CELLS 100000))
LIFETIME(MIN 0 MAX 1000);
"
prev=$($CLICKHOUSE_CLIENT -nm -q "SELECT value FROM system.events WHERE event = 'DictCacheKeysRequestedMiss' SETTINGS system_events_show_zero_values=1")
curr=$($CLICKHOUSE_CLIENT -nm -q "
SELECT toUInt64(1) as key, dictGet('simple_key_cache_dictionary_01863', 'value', key) FORMAT Null;
SELECT value FROM system.events WHERE event = 'DictCacheKeysRequestedMiss' SETTINGS system_events_show_zero_values=1
")
$CLICKHOUSE_CLIENT -nm -q "
DROP DICTIONARY simple_key_cache_dictionary_01863;
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DROP TABLE simple_key_source_table_01863;
"
if [ "$prev" == "$curr" ]; then
echo OK
return 0
fi
return 1
}
function main()
{
# 200 retries since we look at global event DictCacheKeysRequestedMiss
# NOTE: there is 100 runs of the particular test under flaky check
for _ in {1..200}; do
run_test_once && break
done
}
main "$@"