From 191cc74386b04efe9f691d30d142f66384a3f266 Mon Sep 17 00:00:00 2001
From: Roeland Jago Douma <roeland@famdouma.nl>
Date: Sun, 3 Jun 2018 13:32:49 +0200
Subject: [PATCH] Add parent index to share table

Fixes #9327

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
---
 core/Command/Db/AddMissingIndices.php              | 10 +++++++++-
 core/Migrations/Version13000Date20170718121200.php |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/core/Command/Db/AddMissingIndices.php b/core/Command/Db/AddMissingIndices.php
index c80b0ba8b8..ad6962ce06 100644
--- a/core/Command/Db/AddMissingIndices.php
+++ b/core/Command/Db/AddMissingIndices.php
@@ -83,12 +83,20 @@ class AddMissingIndices extends Command {
 		if ($schema->hasTable('share')) {
 			$table = $schema->getTable('share');
 			if (!$table->hasIndex('share_with_index')) {
-				$output->writeln('<info>Adding additional index to the share table, this can take some time...</info>');
+				$output->writeln('<info>Adding additional share_with index to the share table, this can take some time...</info>');
 				$table->addIndex(['share_with'], 'share_with_index');
 				$this->connection->migrateToSchema($schema->getWrappedSchema());
 				$updated = true;
 				$output->writeln('<info>Share table updated successfully.</info>');
 			}
+
+			if (!$table->hasIndex('parent_index')) {
+				$output->writeln('<info>Adding additional parent index to the share table, this can take some time...</info>');
+				$table->addIndex(['parent'], 'parent_index');
+				$this->connection->migrateToSchema($schema->getWrappedSchema());
+				$updated = true;
+				$output->writeln('<info>Share table updated successfully.</info>');
+			}
 		}
 
 		if (!$updated) {
diff --git a/core/Migrations/Version13000Date20170718121200.php b/core/Migrations/Version13000Date20170718121200.php
index 139129eb60..05623e435c 100644
--- a/core/Migrations/Version13000Date20170718121200.php
+++ b/core/Migrations/Version13000Date20170718121200.php
@@ -401,6 +401,7 @@ class Version13000Date20170718121200 extends SimpleMigrationStep {
 			$table->addIndex(['file_source'], 'file_source_index');
 			$table->addIndex(['token'], 'token_index');
 			$table->addIndex(['share_with'], 'share_with_index');
+			$table->addIndex(['parent'], 'parent_index');
 		}
 
 		if (!$schema->hasTable('jobs')) {