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#!/usr/bin/env bash
CURDIR = $( cd " $( dirname " ${ BASH_SOURCE [0] } " ) " && pwd )
. $CURDIR /../shell_config.sh
set -e
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$CLICKHOUSE_CLIENT -n -q "
DROP TABLE IF EXISTS alter_table;
DROP TABLE IF EXISTS alter_table2;
CREATE TABLE alter_table ( a UInt8, b Int16, c Float32, d String, e Array( UInt8) , f Nullable( UUID) , g Tuple( UInt8, UInt16) ) ENGINE = ReplicatedMergeTree( '/clickhouse/tables/$CLICKHOUSE_DATABASE.alter_table' , 'r1' ) ORDER BY a PARTITION BY b % 10 SETTINGS old_parts_lifetime = 1;
CREATE TABLE alter_table2 ( a UInt8, b Int16, c Float32, d String, e Array( UInt8) , f Nullable( UUID) , g Tuple( UInt8, UInt16) ) ENGINE = ReplicatedMergeTree( '/clickhouse/tables/$CLICKHOUSE_DATABASE.alter_table' , 'r2' ) ORDER BY a PARTITION BY b % 10 SETTINGS old_parts_lifetime = 1
"
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function thread1( )
{
while true; do $CLICKHOUSE_CLIENT --query "SELECT * FROM system.parts FORMAT Null" ; done
}
function thread2( )
{
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while true; do $CLICKHOUSE_CLIENT -n --query "ALTER TABLE alter_table ADD COLUMN h String DEFAULT '0'; ALTER TABLE alter_table MODIFY COLUMN h UInt64; ALTER TABLE alter_table DROP COLUMN h;" ; done
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}
function thread3( )
{
while true; do $CLICKHOUSE_CLIENT -q "INSERT INTO alter_table SELECT rand(1), rand(2), 1 / rand(3), toString(rand(4)), [rand(5), rand(6)], rand(7) % 2 ? NULL : generateUUIDv4(), (rand(8), rand(9)) FROM numbers(100000)" ; done
}
function thread4( )
{
while true; do $CLICKHOUSE_CLIENT -q "OPTIMIZE TABLE alter_table FINAL" ; done
}
function thread5( )
{
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while true; do $CLICKHOUSE_CLIENT -q "ALTER TABLE alter_table DELETE WHERE cityHash64(a,b,c,d,e,g) % 1048576 < 524288" ; done
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}
# https://stackoverflow.com/questions/9954794/execute-a-shell-function-with-timeout
export -f thread1;
export -f thread2;
export -f thread3;
export -f thread4;
export -f thread5;
TIMEOUT = 10
timeout $TIMEOUT bash -c thread1 2> /dev/null &
timeout $TIMEOUT bash -c thread2 2> /dev/null &
timeout $TIMEOUT bash -c thread3 2> /dev/null &
timeout $TIMEOUT bash -c thread4 2> /dev/null &
timeout $TIMEOUT bash -c thread5 2> /dev/null &
timeout $TIMEOUT bash -c thread1 2> /dev/null &
timeout $TIMEOUT bash -c thread2 2> /dev/null &
timeout $TIMEOUT bash -c thread3 2> /dev/null &
timeout $TIMEOUT bash -c thread4 2> /dev/null &
timeout $TIMEOUT bash -c thread5 2> /dev/null &
timeout $TIMEOUT bash -c thread1 2> /dev/null &
timeout $TIMEOUT bash -c thread2 2> /dev/null &
timeout $TIMEOUT bash -c thread3 2> /dev/null &
timeout $TIMEOUT bash -c thread4 2> /dev/null &
timeout $TIMEOUT bash -c thread5 2> /dev/null &
timeout $TIMEOUT bash -c thread1 2> /dev/null &
timeout $TIMEOUT bash -c thread2 2> /dev/null &
timeout $TIMEOUT bash -c thread3 2> /dev/null &
timeout $TIMEOUT bash -c thread4 2> /dev/null &
timeout $TIMEOUT bash -c thread5 2> /dev/null &
wait
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$CLICKHOUSE_CLIENT -n -q "
DROP TABLE alter_table;
DROP TABLE alter_table2
"