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68 lines
1.8 KiB
SQL
68 lines
1.8 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
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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 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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