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add index for sorting by word_count

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Hongbo Wu 2024-01-10 17:34:54 +08:00
parent 525b3fbacf
commit cf6f15e520
2 changed files with 15 additions and 0 deletions
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6
packages/db/migrations/0157.do.library_item_user_id_word_count_idx.sql Executable file
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-- Type: DO
-- Name: library_item_user_id_word_count_idx
-- Description: Add library_item_user_id_word_count_idx index on library_item table for user_id and word_count
-- create index for sorting concurrently to avoid locking
CREATE INDEX CONCURRENTLY IF NOT EXISTS library_item_user_id_word_count_idx ON omnivore.library_item (user_id, word_count DESC NULLS LAST);

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packages/db/migrations/0157.undo.library_item_user_id_word_count_idx.sql Executable file
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-- Type: UNDO
-- Name: library_item_user_id_word_count_idx
-- Description: Add library_item_user_id_word_count_idx index on library_item table for user_id and word_count
BEGIN;
DROP INDEX IF EXISTS library_item_user_id_word_count_idx;
COMMIT;