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https://github.com/ClickHouse/ClickHouse.git
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26 lines
1.2 KiB
Bash
26 lines
1.2 KiB
Bash
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#!/usr/bin/env bash
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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$CLICKHOUSE_CLIENT --query "
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DROP TABLE IF EXISTS t_insert_sparse_columns;
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CREATE TABLE t_insert_sparse_columns (id UInt64, v UInt64) ENGINE = MergeTree ORDER BY id SETTINGS ratio_of_defaults_for_sparse_serialization = 0.5;
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SYSTEM STOP MERGES t_insert_sparse_columns;
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"
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${CLICKHOUSE_CURL} -sS ${CLICKHOUSE_URL} -d 'INSERT INTO t_insert_sparse_columns FORMAT JSONEachRow {"id": 1} {"id": 2} {"id": 3} {"id": 4} {"id": 5}'
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${CLICKHOUSE_CURL} -sS ${CLICKHOUSE_URL} -d 'INSERT INTO t_insert_sparse_columns FORMAT JSONEachRow {"id": 6} {"id": 7} {"id": 8} {"id": 9} {"id": 10}'
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${CLICKHOUSE_CURL} -sS ${CLICKHOUSE_URL} -d 'INSERT INTO t_insert_sparse_columns FORMAT JSONEachRow {"id": 11, "v": 100} {"id": 12, "v": 200} {"id": 13, "v": 300} {"id": 14, "v": 400} {"id": 15, "v": 500}'
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$CLICKHOUSE_CLIENT --query "
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SELECT * FROM t_insert_sparse_columns ORDER BY id;
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SELECT name, column, serialization_kind FROM system.parts_columns
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WHERE table = 't_insert_sparse_columns' AND database = currentDatabase() AND active
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ORDER BY name, column;
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DROP TABLE t_insert_sparse_columns;
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"
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