ClickHouse/tests/queries/0_stateless/01018_ddl_dictionaries_select.sql

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SET send_logs_level = 'fatal';
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DROP DATABASE IF EXISTS database_for_dict;
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CREATE DATABASE database_for_dict;
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CREATE TABLE database_for_dict.table_for_dict
(
key_column UInt64,
second_column UInt8,
third_column String,
fourth_column Float64
)
ENGINE = MergeTree()
ORDER BY key_column;
INSERT INTO database_for_dict.table_for_dict SELECT number, number % 17, toString(number * number), number / 2.0 from numbers(100);
DROP DICTIONARY IF EXISTS database_for_dict.dict1;
CREATE DICTIONARY database_for_dict.dict1
(
key_column UInt64 DEFAULT 0,
second_column UInt8 DEFAULT 1,
third_column String DEFAULT 'qqq',
fourth_column Float64 DEFAULT 42.0
)
PRIMARY KEY key_column
SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'table_for_dict' PASSWORD '' DB 'database_for_dict'))
LIFETIME(MIN 1 MAX 10)
LAYOUT(FLAT());
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;
SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(11)); -- {serverError 36}
ATTACH DICTIONARY database_for_dict.dict1;
SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(11));
DROP DICTIONARY database_for_dict.dict1;
SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(11)); -- {serverError 36}
-- SOURCE(CLICKHOUSE(...)) uses default params if not specified
DROP DICTIONARY IF EXISTS database_for_dict.dict1;
CREATE DICTIONARY database_for_dict.dict1
(
key_column UInt64 DEFAULT 0,
second_column UInt8 DEFAULT 1,
third_column String DEFAULT 'qqq',
fourth_column Float64 DEFAULT 42.0
)
PRIMARY KEY key_column
SOURCE(CLICKHOUSE(TABLE 'table_for_dict' DB 'database_for_dict'))
LIFETIME(MIN 1 MAX 10)
LAYOUT(FLAT());
SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(11));
SELECT count(distinct(dictGetUInt8('database_for_dict.dict1', 'second_column', toUInt64(number)))) from numbers(100);
DROP DICTIONARY database_for_dict.dict1;
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CREATE DICTIONARY database_for_dict.dict1
(
key_column UInt64 DEFAULT 0,
second_column UInt8 DEFAULT 1,
third_column String DEFAULT 'qqq',
fourth_column Float64 DEFAULT 42.0
)
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'));
SELECT dictGetFloat64('database_for_dict.dict1', 'fourth_column', tuple(toUInt64(14), '196'));
DETACH DICTIONARY database_for_dict.dict1;
SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', tuple(toUInt64(11), '121')); -- {serverError 36}
ATTACH DICTIONARY database_for_dict.dict1;
SELECT dictGetUInt8('database_for_dict.dict1', 'second_column', tuple(toUInt64(11), '121'));
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CREATE DICTIONARY database_for_dict.dict2
(
key_column UInt64 DEFAULT 0,
some_column String EXPRESSION toString(fourth_column),
fourth_column Float64 DEFAULT 42.0
)
PRIMARY KEY key_column
SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'table_for_dict' DB 'database_for_dict'))
LIFETIME(MIN 1 MAX 10)
LAYOUT(HASHED());
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;
SELECT database, name, type FROM system.dictionaries WHERE database = 'database_for_dict' ORDER BY name;
-- check dictionary will not update
CREATE DICTIONARY database_for_dict.dict3
(
key_column UInt64 DEFAULT 0,
some_column String EXPRESSION toString(fourth_column),
fourth_column Float64 DEFAULT 42.0
)
PRIMARY KEY key_column
SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'table_for_dict' DB 'database_for_dict'))
LIFETIME(0)
LAYOUT(HASHED());
SELECT dictGetString('database_for_dict.dict3', 'some_column', toUInt64(12));
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-- dictGet with table name
USE database_for_dict;
SELECT dictGetString(dict3, 'some_column', toUInt64(12));
SELECT dictGetString(database_for_dict.dict3, 'some_column', toUInt64(12));
SELECT dictGetString(default.dict3, 'some_column', toUInt64(12)); -- {serverError 36}
SELECT dictGet(dict3, 'some_column', toUInt64(12));
SELECT dictGet(database_for_dict.dict3, 'some_column', toUInt64(12));
SELECT dictGet(default.dict3, 'some_column', toUInt64(12)); -- {serverError 36}
USE default;
-- alias should be handled correctly
SELECT 'database_for_dict.dict3' as n, dictGet(n, 'some_column', toUInt64(12));
DROP TABLE database_for_dict.table_for_dict;
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SYSTEM RELOAD DICTIONARIES; -- {serverError 60}
SELECT dictGetString('database_for_dict.dict3', 'some_column', toUInt64(12));
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DROP DATABASE IF EXISTS database_for_dict;