From c5788ec2f31a1280952ef175297ca6d3add07ef2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Jos=C3=A9=20Ramos?=
 <jujoramos@users.noreply.github.com>
Date: Thu, 12 Oct 2023 16:08:18 +0100
Subject: [PATCH] CORE-16323: Improve State Manager Index (#1296)

Update recently introduced index so it uses both the "key" and
"version" columns as both are used by the State Manager during update
and delete queries.
---
 .../statemanager/migration/state-manager-migration-v5.1.xml    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/data/db-schema/src/main/resources/net/corda/db/schema/statemanager/migration/state-manager-migration-v5.1.xml b/data/db-schema/src/main/resources/net/corda/db/schema/statemanager/migration/state-manager-migration-v5.1.xml
index c23dd5696e..20084adc1c 100644
--- a/data/db-schema/src/main/resources/net/corda/db/schema/statemanager/migration/state-manager-migration-v5.1.xml
+++ b/data/db-schema/src/main/resources/net/corda/db/schema/statemanager/migration/state-manager-migration-v5.1.xml
@@ -30,7 +30,8 @@
                 <constraints nullable="false"/>
             </column>
         </createTable>
-        <createIndex tableName="state" indexName="state_version_idx">
+        <createIndex tableName="state" indexName="state_key_version_idx">
+            <column name="key"/>
             <column name="version"/>
         </createIndex>
         <addPrimaryKey columnNames="key" constraintName="state_key" tableName="state"/>