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https://github.com/ClickHouse/ClickHouse.git
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101 lines
3.3 KiB
SQL
101 lines
3.3 KiB
SQL
DROP TABLE IF EXISTS check_system_tables;
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-- Check MergeTree declaration in new format
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CREATE TABLE check_system_tables
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(
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name1 UInt8,
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name2 UInt8,
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name3 UInt8
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) ENGINE = MergeTree()
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ORDER BY name1
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PARTITION BY name2
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SAMPLE BY name1;
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SELECT name, partition_key, sorting_key, primary_key, sampling_key, storage_policy, total_rows
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FROM system.tables
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WHERE name = 'check_system_tables'
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FORMAT PrettyCompactNoEscapes;
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SELECT name, is_in_partition_key, is_in_sorting_key, is_in_primary_key, is_in_sampling_key
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FROM system.columns
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WHERE table = 'check_system_tables'
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FORMAT PrettyCompactNoEscapes;
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INSERT INTO check_system_tables VALUES (1, 1, 1);
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SELECT total_bytes, total_rows FROM system.tables WHERE name = 'check_system_tables';
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DROP TABLE IF EXISTS check_system_tables;
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-- Check VersionedCollapsingMergeTree
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CREATE TABLE check_system_tables
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(
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date Date,
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value String,
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version UInt64,
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sign Int8
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) ENGINE = VersionedCollapsingMergeTree(sign, version)
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PARTITION BY date
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ORDER BY date;
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SELECT name, partition_key, sorting_key, primary_key, sampling_key
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FROM system.tables
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WHERE name = 'check_system_tables'
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FORMAT PrettyCompactNoEscapes;
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SELECT name, is_in_partition_key, is_in_sorting_key, is_in_primary_key, is_in_sampling_key
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FROM system.columns
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WHERE table = 'check_system_tables'
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FORMAT PrettyCompactNoEscapes;
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DROP TABLE IF EXISTS check_system_tables;
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-- Check MergeTree declaration in old format
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CREATE TABLE check_system_tables
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(
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Event Date,
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UserId UInt32,
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Counter UInt32
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) ENGINE = MergeTree(Event, intHash32(UserId), (Counter, Event, intHash32(UserId)), 8192);
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SELECT name, partition_key, sorting_key, primary_key, sampling_key
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FROM system.tables
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WHERE name = 'check_system_tables'
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FORMAT PrettyCompactNoEscapes;
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SELECT name, is_in_partition_key, is_in_sorting_key, is_in_primary_key, is_in_sampling_key
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FROM system.columns
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WHERE table = 'check_system_tables'
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FORMAT PrettyCompactNoEscapes;
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DROP TABLE IF EXISTS check_system_tables;
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SELECT 'Check total_bytes/total_rows for TinyLog';
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CREATE TABLE check_system_tables (key UInt8) ENGINE = TinyLog();
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SELECT total_bytes, total_rows FROM system.tables WHERE name = 'check_system_tables';
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INSERT INTO check_system_tables VALUES (1);
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SELECT total_bytes, total_rows FROM system.tables WHERE name = 'check_system_tables';
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DROP TABLE check_system_tables;
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SELECT 'Check total_bytes/total_rows for Memory';
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CREATE TABLE check_system_tables (key UInt16) ENGINE = Memory();
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SELECT total_bytes, total_rows FROM system.tables WHERE name = 'check_system_tables';
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INSERT INTO check_system_tables VALUES (1);
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SELECT total_bytes, total_rows FROM system.tables WHERE name = 'check_system_tables';
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DROP TABLE check_system_tables;
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SELECT 'Check total_bytes/total_rows for Buffer';
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CREATE TABLE check_system_tables_null (key UInt16) ENGINE = Null();
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CREATE TABLE check_system_tables (key UInt16) ENGINE = Buffer(
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currentDatabase(),
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check_system_tables_null,
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2,
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0, 100, /* min_time /max_time */
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100, 100, /* min_rows /max_rows */
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0, 1e6 /* min_bytes/max_bytes */
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);
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SELECT total_bytes, total_rows FROM system.tables WHERE name = 'check_system_tables';
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INSERT INTO check_system_tables SELECT * FROM numbers_mt(50);
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SELECT total_bytes, total_rows FROM system.tables WHERE name = 'check_system_tables';
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DROP TABLE check_system_tables;
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DROP TABLE check_system_tables_null;
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