mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-05 05:52:05 +00:00
59 lines
1.7 KiB
Bash
Executable File
59 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# Tags: no-fasttest, no-random-settings
|
|
|
|
CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
|
|
# shellcheck source=../shell_config.sh
|
|
. "$CUR_DIR"/../shell_config.sh
|
|
|
|
$CLICKHOUSE_CLIENT -n -q "
|
|
CREATE TEMPORARY TABLE IF NOT EXISTS aboba
|
|
(
|
|
user_id UInt32,
|
|
message String,
|
|
creation_date DateTime64,
|
|
metric Float32
|
|
)
|
|
ENGINE = MergeTree
|
|
ORDER BY user_id;
|
|
|
|
INSERT INTO aboba (user_id, message, creation_date, metric) VALUES (101, 'Hello, ClickHouse!', toDateTime('2019-01-01 00:00:00', 3, 'Europe/Amsterdam'), -1.0), (102, 'Insert a lot of rows per batch', toDateTime('2019-02-01 00:00:00', 3, 'Europe/Amsterdam'), 1.41421 ), (102, 'Sort your data based on your commonly-used queries', toDateTime('2019-03-01 00:00:00', 3, 'Europe/Amsterdam'), 2.718), (101, 'Granules are the smallest chunks of data read', toDateTime('2019-05-01 00:00:00', 3, 'Europe/Amsterdam'), 3.14159), (103, 'This is an awesome message', toDateTime('2019-04-01 00:00:00', 3, 'Europe/Amsterdam'), 42);
|
|
|
|
SET dialect = 'prql';
|
|
|
|
from aboba
|
|
derive {
|
|
a = 2,
|
|
b = s\"LEFT(message, 2)\"
|
|
}
|
|
select { user_id, message, a, b };
|
|
|
|
from aboba
|
|
filter user_id > 101
|
|
group user_id (
|
|
aggregate {
|
|
metrics = sum metric
|
|
}
|
|
);
|
|
|
|
SET dialect = 'clickhouse';
|
|
|
|
SELECT '---';
|
|
SELECT
|
|
user_id,
|
|
message,
|
|
toTimeZone(creation_date, 'Europe/Amsterdam') as creation_date,
|
|
metric
|
|
FROM aboba;
|
|
SELECT '---';
|
|
|
|
SET dialect = 'prql';
|
|
|
|
from aboba
|
|
select { user_id, message, metric }
|
|
derive creation_date = s\"toTimeZone(creation_date, 'Europe/Amsterdam')\"
|
|
select { user_id, message, creation_date, metric};
|
|
|
|
from s\"SELECT * FROM system.users\" | select non_existent_column; # {serverError UNKNOWN_IDENTIFIER}
|
|
from non_existent_table; # {serverError UNKNOWN_TABLE}
|
|
"
|