merge: cherry-pick query optimizer workaround (#4726) (#4730)

fix(core-database): query optimizer workaround (#4726)

* fix(core-database): query optimizer workaround

* Fix only for timestamp in transaction

Author: sebastijankuzner

packages/core-database/src/repositories/abstract-repository.ts

@@ -142,7 +142,13 @@ export abstract class AbstractRepository<TEntity extends ObjectLiteral> extends
 
     private addOrderBy(queryBuilder: SelectQueryBuilder<TEntity>, sorting: Contracts.Search.Sorting): void {
         if (sorting.length) {
-            const column = this.queryHelper.getColumnName(this.metadata, sorting[0].property);
+            let column = this.queryHelper.getColumnName(this.metadata, sorting[0].property);
+
+            // Forces PostgreSQL query optimizer to take faster route
+            if (this.metadata.name === "Transaction" && column === "timestamp") {
+                column = `${column}+0`;
+            }
+
             queryBuilder.orderBy(column, sorting[0].direction === "desc" ? "DESC" : "ASC");
 
             for (const item of sorting.slice(1)) {