mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
59 lines
1.7 KiB
Bash
Executable File
59 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tags: no-fasttest, no-random-settings
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CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CUR_DIR"/../shell_config.sh
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$CLICKHOUSE_CLIENT -n -q "
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CREATE TEMPORARY TABLE IF NOT EXISTS aboba
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(
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user_id UInt32,
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message String,
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creation_date DateTime64,
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metric Float32
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)
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ENGINE = MergeTree
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ORDER BY user_id;
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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);
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SET dialect = 'prql';
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from aboba
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derive {
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a = 2,
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b = s\"LEFT(message, 2)\"
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}
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select { user_id, message, a, b };
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from aboba
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filter user_id > 101
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group user_id (
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aggregate {
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metrics = sum metric
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}
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);
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SET dialect = 'clickhouse';
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SELECT '---';
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SELECT
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user_id,
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message,
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toTimeZone(creation_date, 'Europe/Amsterdam') as creation_date,
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metric
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FROM aboba;
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SELECT '---';
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SET dialect = 'prql';
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from aboba
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select { user_id, message, metric }
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derive creation_date = s\"toTimeZone(creation_date, 'Europe/Amsterdam')\"
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select { user_id, message, creation_date, metric};
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from s\"SELECT * FROM system.users\" | select non_existent_column; # {serverError UNKNOWN_IDENTIFIER}
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from non_existent_table; # {serverError UNKNOWN_TABLE}
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"
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