mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-14 18:32:29 +00:00
59 lines
2.3 KiB
Bash
Executable File
59 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
|
|
. "$CURDIR"/../shell_config.sh
|
|
|
|
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS table_for_rename_replicated"
|
|
|
|
$CLICKHOUSE_CLIENT -n --query "
|
|
CREATE TABLE table_for_rename_replicated
|
|
(
|
|
date Date,
|
|
key UInt64,
|
|
value1 String,
|
|
value2 String,
|
|
value3 String
|
|
)
|
|
ENGINE = ReplicatedMergeTree('/clickhouse/tables/table_for_rename_replicated', '1')
|
|
PARTITION BY date
|
|
ORDER BY key;
|
|
"
|
|
|
|
|
|
$CLICKHOUSE_CLIENT --query "INSERT INTO table_for_rename_replicated SELECT toDate('2019-10-01') + number % 3, number, toString(number), toString(number), toString(number) from numbers(9);"
|
|
|
|
$CLICKHOUSE_CLIENT --query "SELECT value1 FROM table_for_rename_replicated WHERE key = 1;"
|
|
|
|
$CLICKHOUSE_CLIENT --query "SYSTEM STOP MERGES table_for_rename_replicated;"
|
|
|
|
$CLICKHOUSE_CLIENT --query "SHOW CREATE TABLE table_for_rename_replicated;"
|
|
|
|
$CLICKHOUSE_CLIENT --query "ALTER TABLE table_for_rename_replicated RENAME COLUMN value1 to renamed_value1" --replication_alter_partitions_sync=0
|
|
|
|
|
|
while [[ -z $($CLICKHOUSE_CLIENT --query "SELECT name FROM system.columns WHERE name = 'renamed_value1' and table = 'table_for_rename_replicated'" 2>/dev/null) ]]; do
|
|
sleep 0.5
|
|
done
|
|
|
|
$CLICKHOUSE_CLIENT --query "SELECT name FROM system.columns WHERE name = 'renamed_value1' and table = 'table_for_rename_replicated'"
|
|
|
|
# SHOW CREATE TABLE takes query from .sql file on disk.
|
|
# previous select take metadata from memory. So, when previous select says, that return renamed_value1 already exists in table, it's still can have old version on disk.
|
|
while [[ -z $($CLICKHOUSE_CLIENT --query "SHOW CREATE TABLE table_for_rename_replicated;" | grep 'renamed_value1') ]]; do
|
|
sleep 0.5
|
|
done
|
|
|
|
$CLICKHOUSE_CLIENT --query "SHOW CREATE TABLE table_for_rename_replicated;"
|
|
|
|
$CLICKHOUSE_CLIENT --query "SELECT renamed_value1 FROM table_for_rename_replicated WHERE key = 1;"
|
|
|
|
$CLICKHOUSE_CLIENT --query "SELECT * FROM table_for_rename_replicated WHERE key = 1 FORMAT TSVWithNames;"
|
|
|
|
$CLICKHOUSE_CLIENT --query "SYSTEM START MERGES table_for_rename_replicated;"
|
|
|
|
$CLICKHOUSE_CLIENT --query "SYSTEM SYNC REPLICA table_for_rename_replicated;"
|
|
|
|
$CLICKHOUSE_CLIENT --query "SELECT * FROM table_for_rename_replicated WHERE key = 1 FORMAT TSVWithNames;"
|
|
|
|
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS table_for_rename_replicated;"
|