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Cluster version: 23.3.9.55
when I follow this doc to test projection feature. system.query_log show that none projection was used.
sql:
CREATE TABLE visits_order ( `user_id` UInt64, `user_name` String, `pages_visited` Nullable(Float64), `user_agent` String ) ENGINE = MergeTree() PRIMARY KEY user_agent; ALTER TABLE visits_order ADD PROJECTION user_name_projection ( SELECT * ORDER BY user_name ); ALTER TABLE visits_order MATERIALIZE PROJECTION user_name_projection; INSERT INTO visits_order SELECT number, 'test', 1.5 * (number / 2), 'Android' FROM numbers(1, 100000); SELECT * FROM visits_order WHERE user_name='test' LIMIT 2; select projections from system.query_log where query_id = 'c5780554-39ee-44e3-aac3-7deab35b2991'; -- ┌─projections─┐ -- │ [] │ -- │ [] │ -- └─────────────┘
The text was updated successfully, but these errors were encountered:
example should be refined
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23.3.9.55 -- out of support
fixed
v23.7.1.2470-stable.md:* Add back missing projection QueryAccessInfo when query_plan_optimize_projection = 1. This fixes #50183 . This fixes #50093 . #52327 (Amos Bird).
query_plan_optimize_projection = 1
duplicate #50183 #50093
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Cluster version: 23.3.9.55
when I follow this doc to test projection feature. system.query_log show that none projection was used.
sql:
The text was updated successfully, but these errors were encountered: