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materialize test

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This commit is contained in:
Nikita Vasilev 2019-05-09 15:26:25 +03:00
parent e09f177b27
commit d7c7f03a78
2 changed files with 46 additions and 0 deletions
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dbms/tests/queries/0_stateless/00943_materialize_index.reference Normal file
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"rows_read": 10,
5
"rows_read": 6,

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dbms/tests/queries/0_stateless/00943_materialize_index.sh Executable file
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#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. $CURDIR/../shell_config.sh
$CLICKHOUSE_CLIENT --query="DROP TABLE IF EXISTS test.minmax_idx;"
$CLICKHOUSE_CLIENT -n --query="
SET allow_experimental_data_skipping_indices=1;
CREATE TABLE test.minmax_idx
(
u64 UInt64,
i64 Int64,
i32 Int32,
INDEX idx (i64, u64 * i64) TYPE minmax GRANULARITY 1
) ENGINE = MergeTree()
ORDER BY u64
SETTINGS index_granularity = 2;"
$CLICKHOUSE_CLIENT --query="INSERT INTO test.minmax_idx VALUES
(0, 2, 1),
(1, 1, 2),
(2, 1, 3),
(3, 1, 4),
(4, 2, 5),
(5, 2, 6),
(6, 2, 7),
(7, 2, 8),
(8, 1, 9),
(9, 1, 10)"
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2;"
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2 FORMAT JSON" | grep "rows_read"
$CLICKHOUSE_CLIENT --query="ALTER TABLE test.minmax_idx MATERIALIZE INDEX idx;"
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2;"
$CLICKHOUSE_CLIENT --query="SELECT count() FROM test.minmax_idx WHERE i64 = 2 FORMAT JSON" | grep "rows_read"
$CLICKHOUSE_CLIENT --query="DROP TABLE test.minmax_idx"