ClickHouse/tests/queries/0_stateless/02543_alter_rename_modify_stuck.sh
Alexander Sapin bfbf9f292e Fix
2023-07-17 19:03:04 +02:00

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#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
$CLICKHOUSE_CLIENT --query="DROP TABLE IF EXISTS table_to_rename"
$CLICKHOUSE_CLIENT --query="CREATE TABLE table_to_rename(v UInt64, v1 UInt64)ENGINE = MergeTree ORDER BY tuple() SETTINGS min_bytes_for_wide_part = 0"
$CLICKHOUSE_CLIENT --query="INSERT INTO table_to_rename VALUES (1, 1)"
# we want to following mutations to stuck
# That is why we stop merges and wait in loops until they actually start
$CLICKHOUSE_CLIENT --query="SYSTEM STOP MERGES table_to_rename"
$CLICKHOUSE_CLIENT --query="ALTER TABLE table_to_rename RENAME COLUMN v1 to v2" &
counter=0 retries=60
I=0
while [[ $counter -lt $retries ]]; do
I=$((I + 1))
result=$($CLICKHOUSE_CLIENT --query "show create table table_to_rename")
if [[ $result == *"v2"* ]]; then
break;
fi
sleep 0.1
((++counter))
done
$CLICKHOUSE_CLIENT --query="ALTER TABLE table_to_rename UPDATE v2 = 77 WHERE 1 = 1 SETTINGS mutations_sync = 2" &
# we cannot wait in the same way like we do for previous alter
# because it's metadata alter and this one will wait for it
sleep 3
$CLICKHOUSE_CLIENT --query="SYSTEM START MERGES table_to_rename"
wait
$CLICKHOUSE_CLIENT --query="SELECT * FROM table_to_rename FORMAT JSONEachRow"
$CLICKHOUSE_CLIENT --query="DROP TABLE IF EXISTS table_to_rename"