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https://github.com/ClickHouse/ClickHouse.git
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49 lines
1.5 KiB
Bash
Executable File
49 lines
1.5 KiB
Bash
Executable File
#!/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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$CLICKHOUSE_CLIENT --query="DROP TABLE IF EXISTS minmax_idx;"
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$CLICKHOUSE_CLIENT -n --query="
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CREATE TABLE minmax_idx
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(
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u64 UInt64,
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i64 Int64,
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i32 Int32,
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INDEX idx (i64, u64 * i64) TYPE minmax GRANULARITY 1
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) ENGINE = MergeTree()
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PARTITION BY i32
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ORDER BY u64
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SETTINGS index_granularity = 2, index_granularity_bytes = '10Mi';"
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$CLICKHOUSE_CLIENT --query="INSERT INTO minmax_idx VALUES
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(0, 2, 1),
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(1, 1, 1),
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(2, 1, 1),
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(3, 1, 1),
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(4, 1, 1),
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(5, 2, 1),
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(6, 1, 2),
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(7, 1, 2),
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(8, 1, 2),
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(9, 1, 2)"
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$CLICKHOUSE_CLIENT --query="SELECT count() FROM minmax_idx WHERE i64 = 2;"
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$CLICKHOUSE_CLIENT --query="SELECT count() FROM minmax_idx WHERE i64 = 2 FORMAT JSON" | grep "rows_read" # Returns 4
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$CLICKHOUSE_CLIENT --query="ALTER TABLE minmax_idx CLEAR INDEX idx IN PARTITION 1;" --mutations_sync=1
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$CLICKHOUSE_CLIENT --query="SELECT count() FROM minmax_idx WHERE i64 = 2;"
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$CLICKHOUSE_CLIENT --query="SELECT count() FROM minmax_idx WHERE i64 = 2 FORMAT JSON" | grep "rows_read" # Returns 6
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$CLICKHOUSE_CLIENT --query="ALTER TABLE minmax_idx MATERIALIZE INDEX idx IN PARTITION 1;" --mutations_sync=1
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$CLICKHOUSE_CLIENT --query="SELECT count() FROM minmax_idx WHERE i64 = 2;"
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$CLICKHOUSE_CLIENT --query="SELECT count() FROM minmax_idx WHERE i64 = 2 FORMAT JSON" | grep "rows_read" # Returns 4
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$CLICKHOUSE_CLIENT --query="DROP TABLE minmax_idx"
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