Get schema version by action id index (#6829)

Author: jdolle

.changeset/afraid-years-look.md

@@ -0,0 +1,5 @@
+---
+'hive': patch
+---
+
+Add pg index for getSchemaVersionByActionId to improve lookup performance

packages/migrations/src/actions/2025.05.28T00-00-00.schema-log-by-ids.ts

@@ -0,0 +1,21 @@
+import { type MigrationExecutor } from '../pg-migrator';
+
+/**
+ * Adds an index specifically for getSchemaVersionByActionId.
+ */
+export default {
+  name: '2025.05.28T00-00-00.schema-log-by-ids.ts',
+  noTransaction: true,
+  run: ({ sql }) => [
+    {
+      name: 'index schema_log_by_ids',
+      query: sql`
+        CREATE INDEX CONCURRENTLY IF NOT EXISTS "schema_log_by_ids" ON "schema_log"(
+          "project_id"
+          , "target_id"
+          , "commit"
+          )
+      `,
+    },
+  ],
+} satisfies MigrationExecutor;

packages/migrations/src/run-pg-migrations.ts

@@ -166,5 +166,6 @@ export const runPGMigrations = async (args: { slonik: DatabasePool; runTo?: stri
       await import('./actions/2025.05.15T00-00-00.redundant-indices'),
       await import('./actions/2025.05.15T00-00-00.contracts-foreign-key-constraint-fix'),
       await import('./actions/2025.05.15T00-00-01.organization-member-pagination'),
+      await import('./actions/2025.05.28T00-00-00.schema-log-by-ids'),
     ],
   });