mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 00:52:02 +00:00
12 lines
796 B
SQL
12 lines
796 B
SQL
-- Tags: no-backward-compatibility-check
|
|
DROP TABLE IF EXISTS map_test;
|
|
CREATE TABLE map_test(`tags` Map(String, String)) ENGINE = MergeTree PRIMARY KEY tags ORDER BY tags SETTINGS index_granularity = 8192;
|
|
INSERT INTO map_test (tags) VALUES (map('fruit','apple','color','red'));
|
|
INSERT INTO map_test (tags) VALUES (map('fruit','apple','color','red'));
|
|
INSERT INTO map_test (tags) VALUES (map('fruit','apple','color','red'));
|
|
INSERT INTO map_test (tags) VALUES (map('fruit','apple','color','red'));
|
|
INSERT INTO map_test (tags) VALUES (map('fruit','apple','color','red'));
|
|
SELECT mapUpdate(mapFilter((k, v) -> (k in ('fruit')), tags), map('season', 'autumn')) FROM map_test;
|
|
SELECT mapUpdate(map('season','autumn'), mapFilter((k, v) -> (k in ('fruit')), tags)) FROM map_test;
|
|
DROP TABLE map_test;
|