From 3fab58827017041168a769184469cff3722d6c38 Mon Sep 17 00:00:00 2001 From: Owen Jacobson Date: Wed, 23 Oct 2024 00:31:53 -0400 Subject: Make sure (most) queries avoid table scans. I've exempted inserts (they never scan in the first place), queries on `event_sequence` (at most one row), and the coalesce()s used for event replay (for now; these are obviously a performance risk area and need addressing). Method: ``` find .sqlx -name 'query-*.json' -exec jq -r '"explain query plan " + .query + ";"' {} + > explain.sql ``` Then go query by query through the resulting file. --- ...b0d1f81953cd5f584b76ca59ece17d9ef2ce29ee9c.json | 44 ---------------------- 1 file changed, 44 deletions(-) delete mode 100644 .sqlx/query-2f4def5e6aa14d9bc4ca5db0d1f81953cd5f584b76ca59ece17d9ef2ce29ee9c.json (limited to '.sqlx/query-2f4def5e6aa14d9bc4ca5db0d1f81953cd5f584b76ca59ece17d9ef2ce29ee9c.json') diff --git a/.sqlx/query-2f4def5e6aa14d9bc4ca5db0d1f81953cd5f584b76ca59ece17d9ef2ce29ee9c.json b/.sqlx/query-2f4def5e6aa14d9bc4ca5db0d1f81953cd5f584b76ca59ece17d9ef2ce29ee9c.json deleted file mode 100644 index c1da170..0000000 --- a/.sqlx/query-2f4def5e6aa14d9bc4ca5db0d1f81953cd5f584b76ca59ece17d9ef2ce29ee9c.json +++ /dev/null @@ -1,44 +0,0 @@ -{ - "db_name": "SQLite", - "query": "\n select\n id as \"id: Id\",\n display_name as \"display_name: String\",\n canonical_name as \"canonical_name: String\",\n created_sequence as \"created_sequence: Sequence\",\n created_at as \"created_at: DateTime\"\n from login\n where coalesce(created_sequence <= $1, true)\n order by created_sequence\n ", - "describe": { - "columns": [ - { - "name": "id: Id", - "ordinal": 0, - "type_info": "Text" - }, - { - "name": "display_name: String", - "ordinal": 1, - "type_info": "Text" - }, - { - "name": "canonical_name: String", - "ordinal": 2, - "type_info": "Text" - }, - { - "name": "created_sequence: Sequence", - "ordinal": 3, - "type_info": "Integer" - }, - { - "name": "created_at: DateTime", - "ordinal": 4, - "type_info": "Text" - } - ], - "parameters": { - "Right": 1 - }, - "nullable": [ - false, - false, - false, - false, - false - ] - }, - "hash": "2f4def5e6aa14d9bc4ca5db0d1f81953cd5f584b76ca59ece17d9ef2ce29ee9c" -} -- cgit v1.2.3