mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-21 09:10:48 +00:00
101 lines
3.0 KiB
SQL
101 lines
3.0 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' DB 'database_for_dict'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(FLAT());
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SELECT count(*) from database_for_dict.dict1;
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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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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 'dict1' DB 'database_for_dict'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(HASHED());
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SELECT count(*) FROM database_for_dict.dict2;
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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, 100);
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SYSTEM RELOAD DICTIONARIES;
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SELECT count(*) from database_for_dict.dict2;
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SELECT count(*) from database_for_dict.dict1;
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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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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 'dict2' DB 'database_for_dict'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(HASHED());
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SELECT count(*) FROM database_for_dict.dict3;
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INSERT INTO database_for_dict.table_for_dict SELECT number, number % 17, toString(number * number), number / 2.0 from numbers(200, 100);
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SYSTEM RELOAD DICTIONARIES;
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SELECT count(*) from database_for_dict.dict3;
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SELECT count(*) from database_for_dict.dict2;
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SELECT count(*) from database_for_dict.dict1;
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CREATE DICTIONARY database_for_dict.dict4
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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 'non_existing_table' DB 'database_for_dict'))
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LIFETIME(MIN 1 MAX 10)
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LAYOUT(HASHED());
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SELECT count(*) FROM database_for_dict.dict4; -- {serverError 60}
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SELECT name from system.tables WHERE database = 'database_for_dict' ORDER BY name;
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SELECT name from system.dictionaries WHERE database = 'database_for_dict' ORDER BY name;
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DROP DATABASE IF EXISTS database_for_dict;
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SELECT count(*) from database_for_dict.dict3; --{serverError 81}
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SELECT count(*) from database_for_dict.dict2; --{serverError 81}
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SELECT count(*) from database_for_dict.dict1; --{serverError 81}
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