mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 17:02:25 +00:00
115 lines
3.9 KiB
SQL
115 lines
3.9 KiB
SQL
SET send_logs_level = 'none';
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DROP DATABASE IF EXISTS database_for_dict;
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CREATE DATABASE database_for_dict Engine = Ordinary;
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CREATE TABLE database_for_dict.table_for_dict
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(
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key_column UInt64,
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second_column UInt8,
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third_column String,
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fourth_column Float64
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)
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ENGINE = MergeTree()
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ORDER BY key_column;
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INSERT INTO database_for_dict.table_for_dict SELECT number, number % 17, toString(number * number), number / 2.0 from numbers(100);
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DROP DICTIONARY IF EXISTS database_for_dict.dict1;
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CREATE DICTIONARY database_for_dict.dict1
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(
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key_column UInt64 DEFAULT 0,
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second_column UInt8 DEFAULT 1,
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third_column String DEFAULT 'qqq',
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fourth_column Float64 DEFAULT 42.0
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)
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PRIMARY KEY key_column
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'table_for_dict' PASSWORD '' DB 'database_for_dict'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(FLAT());
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SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(11));
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SELECT second_column FROM database_for_dict.dict1 WHERE key_column = 11;
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SELECT dictGetString('database_for_dict.dict1', 'third_column', toUInt64(12));
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SELECT third_column FROM database_for_dict.dict1 WHERE key_column = 12;
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SELECT dictGetFloat64('database_for_dict.dict1', 'fourth_column', toUInt64(14));
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SELECT fourth_column FROM database_for_dict.dict1 WHERE key_column = 14;
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SELECT count(distinct(dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(number)))) from numbers(100);
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DETACH DICTIONARY database_for_dict.dict1;
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SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(11)); -- {serverError 36}
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ATTACH DICTIONARY database_for_dict.dict1;
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SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(11));
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DROP DICTIONARY database_for_dict.dict1;
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SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(11)); -- {serverError 36}
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CREATE DICTIONARY database_for_dict.dict1
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(
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key_column UInt64 DEFAULT 0,
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second_column UInt8 DEFAULT 1,
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third_column String DEFAULT 'qqq',
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fourth_column Float64 DEFAULT 42.0
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)
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PRIMARY KEY key_column, third_column
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'table_for_dict' DB 'database_for_dict'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(COMPLEX_KEY_CACHE(SIZE_IN_CELLS 1));
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SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', tuple(toUInt64(11), '121'));
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SELECT dictGetFloat64('database_for_dict.dict1', 'fourth_column', tuple(toUInt64(14), '196'));
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DETACH DICTIONARY database_for_dict.dict1;
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SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', tuple(toUInt64(11), '121')); -- {serverError 36}
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ATTACH DICTIONARY database_for_dict.dict1;
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SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', tuple(toUInt64(11), '121'));
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CREATE DICTIONARY database_for_dict.dict2
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(
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key_column UInt64 DEFAULT 0,
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some_column String EXPRESSION toString(fourth_column),
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fourth_column Float64 DEFAULT 42.0
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)
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PRIMARY KEY key_column
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'table_for_dict' DB 'database_for_dict'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(HASHED());
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SELECT dictGetString('database_for_dict.dict2', 'some_column', toUInt64(12));
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SELECT name, engine FROM system.tables WHERE database = 'database_for_dict' ORDER BY name;
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SELECT database, name, type FROM system.dictionaries WHERE database = 'database_for_dict' ORDER BY name;
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-- check dictionary will not update
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CREATE DICTIONARY database_for_dict.dict3
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(
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key_column UInt64 DEFAULT 0,
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some_column String EXPRESSION toString(fourth_column),
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fourth_column Float64 DEFAULT 42.0
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)
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PRIMARY KEY key_column
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'table_for_dict' DB 'database_for_dict'))
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LIFETIME(0)
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LAYOUT(HASHED());
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SELECT dictGetString('database_for_dict.dict3', 'some_column', toUInt64(12));
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DROP TABLE database_for_dict.table_for_dict;
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SYSTEM RELOAD DICTIONARIES; -- {serverError 60}
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SELECT dictGetString('database_for_dict.dict3', 'some_column', toUInt64(12));
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DROP DATABASE IF EXISTS database_for_dict;
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