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Indexes on faux foreign keys and often used fields, one more set and version bump to come.

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mjollnir_
2004-11-17 07:06:18 +00:00
parent 0ee95ca7c3
commit bd2c2596c2
4 changed files with 142 additions and 14 deletions
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lib/db/postgres7.php
+42 -1
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@@ -577,8 +577,49 @@ function main_upgrade($oldversion=0) {
execute_sql("UPDATE {$CFG->prefix}course SET lang = 'mi_nt' WHERE lang = 'ma_nt'");
}
return $result;
if ($oldversion < 2004083128) { // add indexes.
modify_database("", "CREATE INDEX prefix_user_idnumber_idx ON prefix_user (idnumber);");
modify_database("", "CREATE INDEX prefix_user_auth_idx ON prefix_user (auth);");
}
if ($oldversion < 2004083128) { // add indexes
modify_database("","CREATE INDEX {$CFG->prefix}course_idnumber_idx ON {$CFG->prefix}course (idnumber);" );
modify_database("","CREATE INDEX {$CFG->prefix}course_shortname_idx ON {$CFG->prefix}course (shortname);" );
modify_database("","CREATE INDEX {$CFG->prefix}user_students_userid_idx ON {$CFG->prefix}user_students (userid);");
modify_database("","CREATE INDEX {$CFG->prefix}user_teachers_userid_idx ON {$CFG->prefix}user_teachers (userid);");
}
if ($oldversion < 2004083128) { // add an index to event for timestart and timeduration
modify_database('','CREATE INDEX prefix_event_timestart_idx ON prefix_event (timestart);');
modify_database('','CREATE INDEX prefix_event_timeduration_idx ON prefix_event (timeduration);');
}
if ($oldversion < 2004083128) { //add indexes on modules and course_modules
modify_database('','CREATE INDEX prefix_course_modules_visible_idx ON prefix_course_modules (visible);');
modify_database('','CREATE INDEX prefix_course_modules_course_idx ON prefix_course_modules (course);');
modify_database('','CREATE INDEX prefix_course_modules_module_idx ON prefix_course_modules (module);');
modify_database('','CREATE INDEX prefix_course_modules_instance_idx ON prefix_course_modules (instance);');
modify_database('','CREATE INDEX prefix_course_modules_deleted_idx ON prefix_course_modules (deleted);');
modify_database('','CREATE INDEX prefix_modules_name_idx ON prefix_modules (name);');
}
if ($oldversion < 2004083128) { // add an index on the groups_members table
modify_database('','CREATE INDEX prefix_groups_members_userid_idx ON prefix_groups_members (userid);');
}
if ($oldversion < 2004083128) { // add an index on user students timeaccess (used for sorting)
modify_database('','CREATE INDEX prefix_user_students_timeaccess_idx ON prefix_user_students (timeaccess);');
}
if ($oldversion < 2004083128) {
modify_database('','CREATE INDEX prefix_course_sections_coursesection_idx ON prefix_course_sections (course,section);');
modify_database('','CREATE INDEX prefix_scale_courseid_idx ON prefix_scale (courseid);');
modify_database('','CREATE INDEX prefix_user_admins_userid_idx ON prefix_user_admins (userid);');
modify_database('','CREATE INDEX prefix_user_coursecreators_userid_idx ON prefix_user_coursecreators (userid);');
}
return $result;
}
?>