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owid · Sep 16, 2024 · a813b4a · a813b4a
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diff --git a/db/migration/1726480222200-AlignUpdatedAtOfCharts.ts b/db/migration/1726480222200-AlignUpdatedAtOfCharts.ts
diff --git a/db/migration/1726480222201-AlignUpdatedAtOfCharts.ts b/db/migration/1726480222201-AlignUpdatedAtOfCharts.ts
@@ -0,0 +1,18 @@
+import { MigrationInterface, QueryRunner } from "typeorm"
+
+export class AlignUpdatedAtOfCharts1726480222201 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`
+            UPDATE chart_configs cf
+            INNER JOIN charts c ON c.configId = cf.id
+            SET cf.updatedAt = LEAST(cf.updatedAt, c.updatedAt)
+            WHERE c.updatedAt IS NOT NULL;
+        `)
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        throw new Error(
+            "Cannot automatically revert migration 'AlignUpdatedAtOfCharts1726480222201'"
+        )
+    }
+}