From 91d3e48ab30c7b195169edb1d07957c6b26f917f Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Thu, 19 Jul 2018 17:30:41 +0200
Subject: [PATCH] Add filecache index on mtime

Gives searching by mtime and "recent" a proper index to use

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 core/Application.php                               |  8 ++++++++
 core/Command/Db/AddMissingIndices.php              | 11 +++++++++++
 core/Migrations/Version13000Date20170718121200.php |  1 +
 3 files changed, 20 insertions(+)

diff --git a/core/Application.php b/core/Application.php
index 400d86f599..336538187d 100644
--- a/core/Application.php
+++ b/core/Application.php
@@ -71,6 +71,14 @@ class Application extends App {
 						$subject->addHintForMissingSubject($table->getName(), 'parent_index');
 					}
 				}
+
+				if ($schema->hasTable('filecache')) {
+					$table = $schema->getTable('filecache');
+
+					if (!$table->hasIndex('fs_mtime')) {
+						$subject->addHintForMissingSubject($table->getName(), 'fs_mtime');
+					}
+				}
 			}
 		);
 	}
diff --git a/core/Command/Db/AddMissingIndices.php b/core/Command/Db/AddMissingIndices.php
index b30fa43ab3..5d78d360b4 100644
--- a/core/Command/Db/AddMissingIndices.php
+++ b/core/Command/Db/AddMissingIndices.php
@@ -100,6 +100,17 @@ class AddMissingIndices extends Command {
 			}
 		}
 
+		if ($schema->hasTable('filecache')) {
+			$table = $schema->getTable('filecache');
+			if (!$table->hasIndex('fs_mtime')) {
+				$output->writeln('<info>Adding additional mtime index to the filecache table, this can take some time...</info>');
+				$table->addIndex(['mtime'], 'fs_mtime');
+				$this->connection->migrateToSchema($schema->getWrappedSchema());
+				$updated = true;
+				$output->writeln('<info>Filecache table updated successfully.</info>');
+			}
+		}
+
 		if (!$updated) {
 			$output->writeln('<info>Done.</info>');
 		}
diff --git a/core/Migrations/Version13000Date20170718121200.php b/core/Migrations/Version13000Date20170718121200.php
index 05623e435c..29687b8683 100644
--- a/core/Migrations/Version13000Date20170718121200.php
+++ b/core/Migrations/Version13000Date20170718121200.php
@@ -215,6 +215,7 @@ 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(['mtime'], 'fs_mtime');
 		}
 
 		if (!$schema->hasTable('group_user')) {