From 981d7ceac74bf19e55dbaec57d565c5374ce69f7 Mon Sep 17 00:00:00 2001 From: Yannick Warnier Date: Mon, 3 Feb 2025 14:26:59 +0100 Subject: [PATCH] Documentation: Add index on c_quiz_question.type in optimization guide - refs BT#22341 --- documentation/optimization.html | 1 + 1 file changed, 1 insertion(+) diff --git a/documentation/optimization.html b/documentation/optimization.html index 35b8f85439..34c5a5c121 100755 --- a/documentation/optimization.html +++ b/documentation/optimization.html @@ -257,6 +257,7 @@ ALTER TABLE c_lp_item_view ADD INDEX idx_clpiv_c_i_v (c_id, id, view_count); ALTER TABLE c_chat_connected ADD INDEX idx_course_group(c_id, to_group_id); -- For big online exams, this index reduces the load considerably ALTER TABLE c_quiz_question ADD INDEX idx_cqq_cidid (c_id, id); + ALTER TABLE c_quiz_question ADD INDEX idx_cqq_type (type); -- If you have many messages with attachments ALTER TABLE message_attachment ADD index idx_msgat_msgid (message_id); -- If you query audit logs from track_e_default on huge tables