Drop multiple-column index for user_id and state columns in library_item table since we create a new index for count covers them

packages/db/migrations/0175.do.add_index_for_archived_at.sql

@@ -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);

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);

packages/db/migrations/0175.undo.add_index_for_archived_at.sql

@@ -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;

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;

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;

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);