ClickHouse/dbms/tests/queries/0_stateless/01018_dictionaries_from_dictionaries.sql

SET send_logs_level = 'none';

DROP DATABASE IF EXISTS database_for_dict;

CREATE DATABASE database_for_dict Engine = Ordinary;

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' DB 'database_for_dict'))
LIFETIME(MIN 1 MAX 10)
LAYOUT(FLAT());

SELECT count(*) from database_for_dict.dict1;

CREATE DICTIONARY database_for_dict.dict2
(
  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 'dict1' DB 'database_for_dict'))
LIFETIME(MIN 1 MAX 10)
LAYOUT(HASHED());

SELECT count(*) FROM database_for_dict.dict2;

INSERT INTO database_for_dict.table_for_dict SELECT number, number % 17, toString(number * number), number / 2.0 from numbers(100, 100);

SYSTEM RELOAD DICTIONARIES;

SELECT count(*) from database_for_dict.dict2;
SELECT count(*) from database_for_dict.dict1;

CREATE DICTIONARY database_for_dict.dict3
(
  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 'dict2' DB 'database_for_dict'))
LIFETIME(MIN 1 MAX 10)
LAYOUT(HASHED());

SELECT count(*) FROM database_for_dict.dict3;

INSERT INTO database_for_dict.table_for_dict SELECT number, number % 17, toString(number * number), number / 2.0 from numbers(200, 100);

SYSTEM RELOAD DICTIONARIES;

SELECT count(*) from database_for_dict.dict3;
SELECT count(*) from database_for_dict.dict2;
SELECT count(*) from database_for_dict.dict1;


CREATE DICTIONARY database_for_dict.dict4
(
  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 'non_existing_table' DB 'database_for_dict'))
LIFETIME(MIN 1 MAX 10)
LAYOUT(HASHED());

SELECT count(*) FROM database_for_dict.dict4; -- {serverError 60}

SELECT name from system.tables WHERE database = 'database_for_dict' ORDER BY name;
SELECT name from system.dictionaries WHERE database = 'database_for_dict' ORDER BY name;

DROP DATABASE IF EXISTS database_for_dict;

SELECT count(*) from database_for_dict.dict3; --{serverError 81}
SELECT count(*) from database_for_dict.dict2; --{serverError 81}
SELECT count(*) from database_for_dict.dict1; --{serverError 81}