Fixed order by. Added OrderExpr to database interface

pkg/common/adapters/database/bun.go

@@ -691,6 +691,11 @@ func (b *BunSelectQuery) Order(order string) common.SelectQuery {
 	return b
 }
 
+func (b *BunSelectQuery) OrderExpr(order string, args ...interface{}) common.SelectQuery {
+	b.query = b.query.OrderExpr(order, args...)
+	return b
+}
+
 func (b *BunSelectQuery) Limit(n int) common.SelectQuery {
 	b.query = b.query.Limit(n)
 	return b

pkg/common/adapters/database/gorm.go

@@ -386,6 +386,12 @@ func (g *GormSelectQuery) Order(order string) common.SelectQuery {
 	return g
 }
 
+func (g *GormSelectQuery) OrderExpr(order string, args ...interface{}) common.SelectQuery {
+	// GORM's Order can handle expressions directly
+	g.db = g.db.Order(gorm.Expr(order, args...))
+	return g
+}
+
 func (g *GormSelectQuery) Limit(n int) common.SelectQuery {
 	g.db = g.db.Limit(n)
 	return g

pkg/common/adapters/database/pgsql.go

@@ -281,6 +281,13 @@ func (p *PgSQLSelectQuery) Order(order string) common.SelectQuery {
 	return p
 }
 
+func (p *PgSQLSelectQuery) OrderExpr(order string, args ...interface{}) common.SelectQuery {
+	// For PgSQL, expressions are passed directly without quoting
+	// If there are args, we would need to format them, but for now just append the expression
+	p.orderBy = append(p.orderBy, order)
+	return p
+}
+
 func (p *PgSQLSelectQuery) Limit(n int) common.SelectQuery {
 	p.limit = n
 	return p