mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 02:41:59 +00:00
122 lines
7.2 KiB
SQL
122 lines
7.2 KiB
SQL
-- Tags: no-parallel
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DROP DATABASE IF EXISTS 01681_database_for_flat_dictionary;
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CREATE DATABASE 01681_database_for_flat_dictionary;
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CREATE TABLE 01681_database_for_flat_dictionary.simple_key_simple_attributes_source_table
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(
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id UInt64,
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value_first String,
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value_second String
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)
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ENGINE = TinyLog;
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_simple_attributes_source_table VALUES(0, 'value_0', 'value_second_0');
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_simple_attributes_source_table VALUES(1, 'value_1', 'value_second_1');
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_simple_attributes_source_table VALUES(2, 'value_2', 'value_second_2');
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CREATE DICTIONARY 01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes
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(
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id UInt64,
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value_first String DEFAULT 'value_first_default',
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value_second String DEFAULT 'value_second_default'
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)
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PRIMARY KEY id
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' TABLE 'simple_key_simple_attributes_source_table'))
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LIFETIME(MIN 1 MAX 1000)
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LAYOUT(FLAT());
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SELECT 'Dictionary flat_dictionary_simple_key_simple_attributes';
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SELECT 'dictGet existing value';
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SELECT dictGet('01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes', 'value_first', number) as value_first,
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dictGet('01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes', 'value_second', number) as value_second FROM system.numbers LIMIT 3;
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SELECT 'dictGet with non existing value';
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SELECT dictGet('01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes', 'value_first', number) as value_first,
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dictGet('01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes', 'value_second', number) as value_second FROM system.numbers LIMIT 4;
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SELECT 'dictGetOrDefault existing value';
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SELECT dictGetOrDefault('01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes', 'value_first', number, toString('default')) as value_first,
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dictGetOrDefault('01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes', 'value_second', number, toString('default')) as value_second FROM system.numbers LIMIT 3;
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SELECT 'dictGetOrDefault non existing value';
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SELECT dictGetOrDefault('01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes', 'value_first', number, toString('default')) as value_first,
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dictGetOrDefault('01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes', 'value_second', number, toString('default')) as value_second FROM system.numbers LIMIT 4;
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SELECT 'dictHas';
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SELECT dictHas('01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes', number) FROM system.numbers LIMIT 4;
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DROP DICTIONARY 01681_database_for_flat_dictionary.flat_dictionary_simple_key_simple_attributes;
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DROP TABLE 01681_database_for_flat_dictionary.simple_key_simple_attributes_source_table;
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CREATE TABLE 01681_database_for_flat_dictionary.simple_key_complex_attributes_source_table
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(
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id UInt64,
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value_first String,
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value_second Nullable(String)
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)
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ENGINE = TinyLog;
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_complex_attributes_source_table VALUES(0, 'value_0', 'value_second_0');
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_complex_attributes_source_table VALUES(1, 'value_1', NULL);
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_complex_attributes_source_table VALUES(2, 'value_2', 'value_second_2');
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CREATE DICTIONARY 01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes
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(
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id UInt64,
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value_first String DEFAULT 'value_first_default',
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value_second Nullable(String) DEFAULT 'value_second_default'
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)
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PRIMARY KEY id
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' TABLE 'simple_key_complex_attributes_source_table'))
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LIFETIME(MIN 1 MAX 1000)
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LAYOUT(FLAT());
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SELECT 'Dictionary flat_dictionary_simple_key_complex_attributes';
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SELECT 'dictGet existing value';
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SELECT dictGet('01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes', 'value_first', number) as value_first,
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dictGet('01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes', 'value_second', number) as value_second FROM system.numbers LIMIT 3;
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SELECT 'dictGet with non existing value';
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SELECT dictGet('01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes', 'value_first', number) as value_first,
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dictGet('01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes', 'value_second', number) as value_second FROM system.numbers LIMIT 4;
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SELECT 'dictGetOrDefault existing value';
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SELECT dictGetOrDefault('01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes', 'value_first', number, toString('default')) as value_first,
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dictGetOrDefault('01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes', 'value_second', number, toString('default')) as value_second FROM system.numbers LIMIT 3;
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SELECT 'dictGetOrDefault non existing value';
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SELECT dictGetOrDefault('01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes', 'value_first', number, toString('default')) as value_first,
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dictGetOrDefault('01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes', 'value_second', number, toString('default')) as value_second FROM system.numbers LIMIT 4;
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SELECT 'dictHas';
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SELECT dictHas('01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes', number) FROM system.numbers LIMIT 4;
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DROP DICTIONARY 01681_database_for_flat_dictionary.flat_dictionary_simple_key_complex_attributes;
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DROP TABLE 01681_database_for_flat_dictionary.simple_key_complex_attributes_source_table;
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CREATE TABLE 01681_database_for_flat_dictionary.simple_key_hierarchy_table
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(
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id UInt64,
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parent_id UInt64
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) ENGINE = TinyLog();
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_hierarchy_table VALUES (1, 0);
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_hierarchy_table VALUES (2, 1);
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_hierarchy_table VALUES (3, 1);
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INSERT INTO 01681_database_for_flat_dictionary.simple_key_hierarchy_table VALUES (4, 2);
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CREATE DICTIONARY 01681_database_for_flat_dictionary.flat_dictionary_simple_key_hierarchy
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(
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id UInt64,
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parent_id UInt64 HIERARCHICAL
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)
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PRIMARY KEY id
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' TABLE 'simple_key_hierarchy_table'))
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LIFETIME(MIN 1 MAX 1000)
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LAYOUT(FLAT());
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SELECT 'Dictionary flat_dictionary_simple_key_hierarchy';
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SELECT 'dictGet';
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SELECT dictGet('01681_database_for_flat_dictionary.flat_dictionary_simple_key_hierarchy', 'parent_id', number) FROM system.numbers LIMIT 5;
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SELECT 'dictGetHierarchy';
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SELECT dictGetHierarchy('01681_database_for_flat_dictionary.flat_dictionary_simple_key_hierarchy', toUInt64(1));
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SELECT dictGetHierarchy('01681_database_for_flat_dictionary.flat_dictionary_simple_key_hierarchy', toUInt64(4));
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DROP DICTIONARY 01681_database_for_flat_dictionary.flat_dictionary_simple_key_hierarchy;
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DROP TABLE 01681_database_for_flat_dictionary.simple_key_hierarchy_table;
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DROP DATABASE 01681_database_for_flat_dictionary;
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