mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 00:42:29 +00:00
38 lines
944 B
SQL
38 lines
944 B
SQL
DROP TABLE IF EXISTS test_dictionary_source_table;
|
|
CREATE TABLE test_dictionary_source_table
|
|
(
|
|
id UInt64,
|
|
value String
|
|
) ENGINE = TinyLog;
|
|
|
|
DROP TABLE IF EXISTS test_dictionary_view;
|
|
CREATE VIEW test_dictionary_view
|
|
(
|
|
id UInt64,
|
|
value String
|
|
) AS SELECT id, value FROM test_dictionary_source_table WHERE id = (SELECT max(id) FROM test_dictionary_source_table);
|
|
|
|
INSERT INTO test_dictionary_source_table VALUES (1, '1'), (2, '2'), (3, '3');
|
|
|
|
DROP DICTIONARY IF EXISTS test_dictionary;
|
|
CREATE DICTIONARY test_dictionary
|
|
(
|
|
id UInt64,
|
|
value String
|
|
)
|
|
PRIMARY KEY id
|
|
SOURCE(CLICKHOUSE(TABLE 'test_dictionary_view'))
|
|
LIFETIME(MIN 0 MAX 1)
|
|
LAYOUT(FLAT());
|
|
|
|
SELECT * FROM test_dictionary;
|
|
|
|
INSERT INTO test_dictionary_source_table VALUES (4, '4');
|
|
SYSTEM RELOAD DICTIONARY test_dictionary;
|
|
|
|
SELECT * FROM test_dictionary;
|
|
|
|
DROP DICTIONARY test_dictionary;
|
|
DROP VIEW test_dictionary_view;
|
|
DROP TABLE test_dictionary_source_table;
|