Add views with results grouped by month

postgres/assignments.sql.go

@@ -52,3 +52,38 @@ func (q *Queries) DeleteAllAssignments(ctx context.Context, budgetID uuid.UUID)
 	}
 	return result.RowsAffected()
 }
+
+const getAssignmentsByMonthAndCategory = `-- name: GetAssignmentsByMonthAndCategory :many
+SELECT year, month, category_id, budget_id, amount
+FROM assignments_by_month
+WHERE assignments_by_month.budget_id = $1
+`
+
+func (q *Queries) GetAssignmentsByMonthAndCategory(ctx context.Context, budgetID uuid.UUID) ([]AssignmentsByMonth, error) {
+	rows, err := q.db.QueryContext(ctx, getAssignmentsByMonthAndCategory, budgetID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []AssignmentsByMonth
+	for rows.Next() {
+		var i AssignmentsByMonth
+		if err := rows.Scan(
+			&i.Year,
+			&i.Month,
+			&i.CategoryID,
+			&i.BudgetID,
+			&i.Amount,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}