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update function test
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@ -1,83 +1,83 @@
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ReadFromMergeTree (default.test_index)
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Indexes:
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MinMax
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Keys:
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y
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Condition: (y in [1, +Inf))
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Parts: 4/5
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Granules: 11/12
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Partition
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Keys:
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y
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bitAnd(z, 3)
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Condition: and((y in [1, +Inf)), (bitAnd(z, 3) not in [1, 1]))
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Parts: 3/4
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Granules: 10/11
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PrimaryKey
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Keys:
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x
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y
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Condition: and((x in [11, +Inf)), (y in [1, +Inf)))
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Parts: 2/3
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Granules: 6/10
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Skip
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Name: t_minmax
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Description: minmax GRANULARITY 2
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Parts: 1/2
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Granules: 4/6
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Skip
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Name: t_set
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Description: set GRANULARITY 2
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Parts: 1/1
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Granules: 2/4
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ReadFromMergeTree (default.test_index)
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Indexes:
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MinMax
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Keys:
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y
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Condition: (y in [1, +Inf))
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Parts: 4/5
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Granules: 11/12
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Partition
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Keys:
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y
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bitAnd(z, 3)
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Condition: and((y in [1, +Inf)), (bitAnd(z, 3) not in [1, 1]))
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Parts: 3/4
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Granules: 10/11
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PrimaryKey
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Keys:
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x
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y
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Condition: and((x in [11, +Inf)), (y in [1, +Inf)))
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Parts: 2/3
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Granules: 6/10
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Skip
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Name: t_minmax
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Description: minmax GRANULARITY 2
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Parts: 1/2
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Granules: 3/6
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Skip
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Name: t_set
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Description: set GRANULARITY 2
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Parts: 1/1
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Granules: 2/3
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-----------------
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"Node Type": "ReadFromMergeTree",
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"Description": "default.test_index",
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"Indexes": [
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{
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"Type": "MinMax",
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"Keys": ["y"],
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"Condition": "(y in [1, +Inf))",
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"Initial Parts": 5,
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"Selected Parts": 4,
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"Initial Granules": 12,
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"Selected Granules": 11
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},
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{
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"Type": "Partition",
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"Keys": ["y", "bitAnd(z, 3)"],
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"Condition": "and((y in [1, +Inf)), (bitAnd(z, 3) not in [1, 1]))",
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"Initial Parts": 4,
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"Selected Parts": 3,
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"Initial Granules": 11,
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"Selected Granules": 10
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},
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{
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"Type": "PrimaryKey",
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"Keys": ["x", "y"],
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"Condition": "and((x in [11, +Inf)), (y in [1, +Inf)))",
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"Initial Parts": 3,
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"Selected Parts": 2,
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"Initial Granules": 10,
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"Selected Granules": 6
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},
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{
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"Type": "Skip",
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"Name": "t_minmax",
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"Description": "minmax GRANULARITY 2",
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"Initial Parts": 2,
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"Selected Parts": 1,
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"Initial Granules": 6,
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"Selected Granules": 4
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},
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{
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"Type": "Skip",
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"Name": "t_set",
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"Description": "set GRANULARITY 2",
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"Initial Parts": 1,
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"Selected Parts": 1,
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"Initial Granules": 4,
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"Selected Granules": 2
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"Node Type": "ReadFromMergeTree",
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"Description": "default.test_index",
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"Indexes": [
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{
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"Type": "MinMax",
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"Keys": ["y"],
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"Condition": "(y in [1, +Inf))",
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"Initial Parts": 5,
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"Selected Parts": 4,
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"Initial Granules": 12,
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"Selected Granules": 11
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},
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{
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"Type": "Partition",
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"Keys": ["y", "bitAnd(z, 3)"],
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"Condition": "and((y in [1, +Inf)), (bitAnd(z, 3) not in [1, 1]))",
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"Initial Parts": 4,
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"Selected Parts": 3,
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"Initial Granules": 11,
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"Selected Granules": 10
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},
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{
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"Type": "PrimaryKey",
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"Keys": ["x", "y"],
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"Condition": "and((x in [11, +Inf)), (y in [1, +Inf)))",
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"Initial Parts": 3,
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"Selected Parts": 2,
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"Initial Granules": 10,
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"Selected Granules": 6
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},
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{
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"Type": "Skip",
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"Name": "t_minmax",
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"Description": "minmax GRANULARITY 2",
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"Initial Parts": 2,
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"Selected Parts": 1,
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"Initial Granules": 6,
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"Selected Granules": 3
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},
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{
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"Type": "Skip",
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"Name": "t_set",
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"Description": "set GRANULARITY 2",
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"Initial Parts": 1,
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"Selected Parts": 1,
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"Initial Granules": 3,
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"Selected Granules": 2
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}
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]
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}
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@ -1,21 +0,0 @@
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DROP TABLE IF EXISTS test_skip_idx;
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CREATE TABLE test_skip_idx
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(
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`id` UInt32,
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INDEX name_idx_g2 id TYPE minmax GRANULARITY 2,
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INDEX name_idx_g1 id TYPE minmax GRANULARITY 1
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)
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ENGINE = MergeTree
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ORDER BY tuple()
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SETTINGS index_granularity = 1, index_granularity_bytes = 0;
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INSERT INTO test_skip_idx SELECT number FROM system.numbers LIMIT 5 OFFSET 1;
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EXPLAIN indexes = 1 SELECT * FROM test_skip_idx WHERE id < 2;
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SELECT '--';
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EXPLAIN indexes = 1 SELECT * FROM test_skip_idx WHERE id < 3;
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DROP TABLE IF EXISTS test_skip_idx;
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@ -1,5 +1,3 @@
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Expression ((Projection + Before ORDER BY))
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Filter (WHERE)
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ReadFromMergeTree (default.test_skip_idx)
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Indexes:
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Skip
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@ -12,9 +10,7 @@ Expression ((Projection + Before ORDER BY))
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Description: minmax GRANULARITY 1
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Parts: 1/1
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Granules: 1/2
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--
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Expression ((Projection + Before ORDER BY))
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Filter (WHERE)
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-----------------
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ReadFromMergeTree (default.test_skip_idx)
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Indexes:
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Skip
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23
tests/queries/0_stateless/02866_size_of_marks_skip_idx_explain.sh
Executable file
23
tests/queries/0_stateless/02866_size_of_marks_skip_idx_explain.sh
Executable file
@ -0,0 +1,23 @@
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#!/usr/bin/env bash
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# Tags: no-random-merge-tree-settings
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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="$CLICKHOUSE_CLIENT --optimize_move_to_prewhere=1 --convert_query_to_cnf=0 --optimize_read_in_order=1"
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$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS test_skip_idx"
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$CLICKHOUSE_CLIENT -q "CREATE TABLE test_skip_idx (id UInt32, INDEX name_idx_g2 id TYPE minmax GRANULARITY 2, INDEX name_idx_g1 id TYPE minmax GRANULARITY 1) ENGINE = MergeTree ORDER BY tuple() SETTINGS index_granularity = 1, index_granularity_bytes = 0"
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$CLICKHOUSE_CLIENT -q "INSERT INTO test_skip_idx SELECT number FROM system.numbers LIMIT 5 OFFSET 1"
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$CLICKHOUSE_CLIENT -q "
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EXPLAIN indexes = 1 SELECT * FROM test_skip_idx WHERE id < 2
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" | grep -A 100 "ReadFromMergeTree" # | grep -v "Description"
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echo "-----------------"
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$CLICKHOUSE_CLIENT -q "
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EXPLAIN indexes = 1 SELECT * FROM test_skip_idx WHERE id < 3
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" | grep -A 100 "ReadFromMergeTree" # | grep -v "Description"
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