From 8b1dc1494ecb45fb63198f4724ea99ba4b1b8ffa Mon Sep 17 00:00:00 2001
From: Hongbo Wu <hongbo@omnivore.app>
Date: Mon, 20 May 2024 11:22:08 +0800
Subject: [PATCH] Drop multiple-column index for user_id and state columns in
 library_item table since we create a new index for count covers them

---
 .../db/migrations/0175.do.add_index_for_archived_at.sql  | 7 -------
 .../0175.do.add_index_for_library_item_count.sql         | 7 +++++++
 .../migrations/0175.undo.add_index_for_archived_at.sql   | 9 ---------
 .../0175.undo.add_index_for_library_item_count.sql       | 9 +++++++++
 .../db/migrations/0176.do.drop_user_id_state_idx.sql     | 9 +++++++++
 .../db/migrations/0176.undo.drop_user_id_state_idx.sql   | 7 +++++++
 6 files changed, 32 insertions(+), 16 deletions(-)
 delete mode 100755 packages/db/migrations/0175.do.add_index_for_archived_at.sql
 create mode 100755 packages/db/migrations/0175.do.add_index_for_library_item_count.sql
 delete mode 100755 packages/db/migrations/0175.undo.add_index_for_archived_at.sql
 create mode 100755 packages/db/migrations/0175.undo.add_index_for_library_item_count.sql
 create mode 100755 packages/db/migrations/0176.do.drop_user_id_state_idx.sql
 create mode 100755 packages/db/migrations/0176.undo.drop_user_id_state_idx.sql

diff --git a/packages/db/migrations/0175.do.add_index_for_archived_at.sql b/packages/db/migrations/0175.do.add_index_for_archived_at.sql
deleted file mode 100755
index 96b95e055..000000000
--- a/packages/db/migrations/0175.do.add_index_for_archived_at.sql
+++ /dev/null
@@ -1,7 +0,0 @@
--- Type: DO
--- Name: add_index_for_archived_at
--- Description: Add index for archived_at column in library_item table
-
-CREATE INDEX CONCURRENTLY
-    IF NOT EXISTS library_item_user_id_archived_at_idx
-    ON omnivore.library_item (user_id, archived_at DESC NULLS LAST);
diff --git a/packages/db/migrations/0175.do.add_index_for_library_item_count.sql b/packages/db/migrations/0175.do.add_index_for_library_item_count.sql
new file mode 100755
index 000000000..16ed3664f
--- /dev/null
+++ b/packages/db/migrations/0175.do.add_index_for_library_item_count.sql
@@ -0,0 +1,7 @@
+-- Type: DO
+-- Name: add_index_for_library_item_count
+-- Description: Add index for counting user items in library_item table
+
+CREATE INDEX CONCURRENTLY
+    IF NOT EXISTS library_item_count_idx
+    ON omnivore.library_item (user_id, state, archived_at, folder);
diff --git a/packages/db/migrations/0175.undo.add_index_for_archived_at.sql b/packages/db/migrations/0175.undo.add_index_for_archived_at.sql
deleted file mode 100755
index 0f0b37aaf..000000000
--- a/packages/db/migrations/0175.undo.add_index_for_archived_at.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- Type: UNDO
--- Name: add_index_for_archived_at
--- Description: Add index for archived_at column in library_item table
-
-BEGIN;
-
-DROP INDEX IF EXISTS omnivore.library_item_user_id_archived_at_idx;
-
-COMMIT;
diff --git a/packages/db/migrations/0175.undo.add_index_for_library_item_count.sql b/packages/db/migrations/0175.undo.add_index_for_library_item_count.sql
new file mode 100755
index 000000000..f2cf91f4f
--- /dev/null
+++ b/packages/db/migrations/0175.undo.add_index_for_library_item_count.sql
@@ -0,0 +1,9 @@
+-- Type: UNDO
+-- Name: add_index_for_library_item_count
+-- Description: Add index for counting user items in library_item table
+
+BEGIN;
+
+DROP INDEX IF EXISTS omnivore.library_item_count_idx;
+
+COMMIT;
diff --git a/packages/db/migrations/0176.do.drop_user_id_state_idx.sql b/packages/db/migrations/0176.do.drop_user_id_state_idx.sql
new file mode 100755
index 000000000..0ad10f11d
--- /dev/null
+++ b/packages/db/migrations/0176.do.drop_user_id_state_idx.sql
@@ -0,0 +1,9 @@
+-- Type: DO
+-- Name: drop_library_item_user_id_state_idx
+-- Description: Drop multiple-column index for user_id and state columns in library_item table
+
+BEGIN;
+
+DROP INDEX IF EXISTS omnivore.library_item_user_id_state_idx;
+
+COMMIT;
diff --git a/packages/db/migrations/0176.undo.drop_user_id_state_idx.sql b/packages/db/migrations/0176.undo.drop_user_id_state_idx.sql
new file mode 100755
index 000000000..0fd27bb95
--- /dev/null
+++ b/packages/db/migrations/0176.undo.drop_user_id_state_idx.sql
@@ -0,0 +1,7 @@
+-- Type: UNDO
+-- Name: drop_library_item_user_id_state_idx
+-- Description: Drop multiple-column index for user_id and state columns in library_item table
+
+CREATE INDEX CONCURRENTLY
+    IF NOT EXISTS library_item_user_id_state_idx
+    ON omnivore.library_item (user_id, state);