Ad tests with long select and simulatenous alter

This commit is contained in:
alesapin 2020-06-22 12:09:23 +03:00
parent b1e8976df4
commit 368286117a
4 changed files with 56 additions and 0 deletions

View File

@ -0,0 +1,3 @@
10
5
CREATE TABLE default.alter_mt\n(\n `key` UInt64,\n `value` UInt64\n)\nENGINE = MergeTree()\nORDER BY key\nSETTINGS index_granularity = 8192

View File

@ -0,0 +1,25 @@
#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. $CURDIR/../shell_config.sh
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS alter_mt"
$CLICKHOUSE_CLIENT --query "CREATE TABLE alter_mt (key UInt64, value String) ENGINE=MergeTree() ORDER BY key"
$CLICKHOUSE_CLIENT --query "INSERT INTO alter_mt SELECT number, toString(number) FROM numbers(5)"
$CLICKHOUSE_CLIENT --query "SELECT count(distinct concat(value, '_')) FROM alter_mt WHERE not sleepEachRow(2)" &
# to be sure that select took all required locks
sleep 2
$CLICKHOUSE_CLIENT --query "ALTER TABLE alter_mt MODIFY COLUMN value UInt64"
$CLICKHOUSE_CLIENT --query "SELECT sum(value) FROM alter_mt"
wait
$CLICKHOUSE_CLIENT --query "SHOW CREATE TABLE alter_mt"
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS alter_mt"

View File

@ -0,0 +1,3 @@
10
5
CREATE TABLE default.alter_mt\n(\n `key` UInt64,\n `value` UInt64\n)\nENGINE = ReplicatedMergeTree(\'/clickhouse/tables/alter_mt\', \'1\')\nORDER BY key\nSETTINGS index_granularity = 8192

View File

@ -0,0 +1,25 @@
#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. $CURDIR/../shell_config.sh
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS alter_mt"
$CLICKHOUSE_CLIENT --query "CREATE TABLE alter_mt (key UInt64, value String) ENGINE=ReplicatedMergeTree('/clickhouse/tables/alter_mt', '1') ORDER BY key"
$CLICKHOUSE_CLIENT --query "INSERT INTO alter_mt SELECT number, toString(number) FROM numbers(5)"
$CLICKHOUSE_CLIENT --query "SELECT count(distinct concat(value, '_')) FROM alter_mt WHERE not sleepEachRow(2)" &
# to be sure that select took all required locks
sleep 2
$CLICKHOUSE_CLIENT --query "ALTER TABLE alter_mt MODIFY COLUMN value UInt64"
$CLICKHOUSE_CLIENT --query "SELECT sum(value) FROM alter_mt"
wait
$CLICKHOUSE_CLIENT --query "SHOW CREATE TABLE alter_mt"
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS alter_mt"