Add views with results grouped by month

postgres/transactions.sql.go

@@ -63,6 +63,41 @@ func (q *Queries) DeleteAllTransactions(ctx context.Context, budgetID uuid.UUID)
 	return result.RowsAffected()
 }
 
+const getTransactionsByMonthAndCategory = `-- name: GetTransactionsByMonthAndCategory :many
+SELECT year, month, category_id, budget_id, amount
+FROM transactions_by_month
+WHERE transactions_by_month.budget_id = $1
+`
+
+func (q *Queries) GetTransactionsByMonthAndCategory(ctx context.Context, budgetID uuid.UUID) ([]TransactionsByMonth, error) {
+	rows, err := q.db.QueryContext(ctx, getTransactionsByMonthAndCategory, budgetID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []TransactionsByMonth
+	for rows.Next() {
+		var i TransactionsByMonth
+		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
+}
+
 const getTransactionsForAccount = `-- name: GetTransactionsForAccount :many
 SELECT  transactions.id, transactions.date, transactions.memo, transactions.amount,
         accounts.name as account, COALESCE(payees.name, '') as payee, COALESCE(category_groups.name, '') as category_group, COALESCE(categories.name, '') as category