mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-13 18:02:24 +00:00
28 lines
752 B
Bash
28 lines
752 B
Bash
|
#!/usr/bin/env bash
|
||
|
|
|
||
|
|
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
|
||
|
|
# shellcheck source=../shell_config.sh
|
||
|
|
. "$CURDIR"/../shell_config.sh
|
||
|
|
|
||
|
|
THREADS=8
|
||
|
|
RAND=$(($RANDOM))
|
||
|
|
LIMIT=10000
|
||
|
|
|
||
|
|
function run_selects()
|
||
|
|
{
|
||
|
|
thread_num=$1
|
||
|
|
readarray -t tables_arr < <(${CLICKHOUSE_CLIENT} -q "SELECT database || '.' || name FROM system.tables
|
||
|
|
WHERE database in ('system', 'information_schema', 'INFORMATION_SCHEMA') and name!='zookeeper'
|
||
|
|
AND sipHash64(name || toString($RAND)) % $THREADS = $thread_num")
|
||
|
|
|
||
|
|
for t in "${tables_arr[@]}"
|
||
|
|
do
|
||
|
|
${CLICKHOUSE_CLIENT} -q "SELECT * FROM $t LIMIT $LIMIT FORMAT Null" # Suppress style check: database=$CLICKHOUSE_DATABASEs
|
||
|
|
done
|
||
|
|
}
|
||
|
|
|
||
|
|
for ((i=0; i<THREADS; i++)) do
|
||
|
|
run_selects "$i" &
|
||
|
|
done
|
||
|
|
wait
|