add composite pk

Author: davidgamez

liquibase/changelog.xml

@@ -93,4 +93,6 @@
     <include file="changes/feat_1507.sql" relativeToChangelogFile="true"/>
     <!-- Added constraint on operational status -->
     <include file="changes/fix_operation_status_constraint.sql" relativeToChangelogFile="true"/>
+    <!-- Remove filename as the primary key on databasechangelog table and add composite(id, author, filename)  -->
+    <include file="changes/update_liquibase_changelog.sql" relativeToChangelogFile="true"/>
 </databaseChangeLog>

liquibase/changes/update_liquibase_changelog.sql

@@ -0,0 +1,10 @@
+-- This script updates the databasechangelog aligning all environments with the correct primary key
+
+-- Drop the existing PK if it exists
+ALTER TABLE databasechangelog
+DROP CONSTRAINT IF EXISTS databasechangelog_pkey;
+
+-- Add the correct composite primary key
+ALTER TABLE databasechangelog
+ADD CONSTRAINT databasechangelog_pkey
+PRIMARY KEY (id, author, filename);