From 6502dfae343850f510471b72ebece1c1329343e0 Mon Sep 17 00:00:00 2001 From: Robin Appelman Date: Thu, 7 Oct 2021 16:11:49 +0200 Subject: add better index for finding unindexed paths for the following query 'SELECT "path" FROM "oc_filecache" WHERE ("storage" = $storage) AND ("size" < 0) ORDER BY "fileid" DESC LIMIT 1;' currently the database will in some cases decide to priorize the sort by fileid over the filter when picking what index to use, resulting in a much slower query. by creating an index that allows first sorting by fileid and also filter by storage and size this case will be greatly sped up Signed-off-by: Robin Appelman --- core/Migrations/Version13000Date20170718121200.php | 1 + 1 file changed, 1 insertion(+) (limited to 'core/Migrations') diff --git a/core/Migrations/Version13000Date20170718121200.php b/core/Migrations/Version13000Date20170718121200.php index 7b959c6073c..e8dbf1fc0fb 100644 --- a/core/Migrations/Version13000Date20170718121200.php +++ b/core/Migrations/Version13000Date20170718121200.php @@ -261,6 +261,7 @@ class Version13000Date20170718121200 extends SimpleMigrationStep { $table->addIndex(['storage', 'mimetype'], 'fs_storage_mimetype'); $table->addIndex(['storage', 'mimepart'], 'fs_storage_mimepart'); $table->addIndex(['storage', 'size', 'fileid'], 'fs_storage_size'); + $table->addIndex(['fileid', 'storage', 'size'], 'fs_id_storage_size'); $table->addIndex(['mtime'], 'fs_mtime'); $table->addIndex(['size'], 'fs_size'); } -- cgit v1.2.3