From d54af004d63aa6e40ccbbc11dcddb7e395d06527 Mon Sep 17 00:00:00 2001 From: Hongbo Wu Date: Wed, 10 Jan 2024 17:28:00 +0800 Subject: [PATCH] add index for sorting by published_at --- .../0155.do.library_item_user_id_published_at_idx.sql | 6 ++++++ .../0155.undo.library_item_user_id_published_at_idx.sql | 9 +++++++++ 2 files changed, 15 insertions(+) create mode 100755 packages/db/migrations/0155.do.library_item_user_id_published_at_idx.sql create mode 100755 packages/db/migrations/0155.undo.library_item_user_id_published_at_idx.sql diff --git a/packages/db/migrations/0155.do.library_item_user_id_published_at_idx.sql b/packages/db/migrations/0155.do.library_item_user_id_published_at_idx.sql new file mode 100755 index 000000000..ddc57ea11 --- /dev/null +++ b/packages/db/migrations/0155.do.library_item_user_id_published_at_idx.sql @@ -0,0 +1,6 @@ +-- Type: DO +-- Name: library_item_user_id_published_at_idx +-- Description: Add library_item_user_id_published_at_idx index on library_item table for user_id and published_at + +-- create index for sorting concurrently to avoid locking +CREATE INDEX CONCURRENTLY IF NOT EXISTS library_item_user_id_updated_at_idx ON omnivore.library_item (user_id, updated_at DESC NULLS LAST); diff --git a/packages/db/migrations/0155.undo.library_item_user_id_published_at_idx.sql b/packages/db/migrations/0155.undo.library_item_user_id_published_at_idx.sql new file mode 100755 index 000000000..388152849 --- /dev/null +++ b/packages/db/migrations/0155.undo.library_item_user_id_published_at_idx.sql @@ -0,0 +1,9 @@ +-- Type: UNDO +-- Name: library_item_user_id_published_at_idx +-- Description: Add library_item_user_id_published_at_idx index on library_item table for user_id and published_at + +BEGIN; + +DROP INDEX IF EXISTS library_item_user_id_published_at_idx; + +COMMIT;