Implement update and delete for transactions

postgres/queries/transactions.sql

@@ -8,6 +8,20 @@ INSERT INTO transactions
 VALUES ($1, $2, $3, $4, $5, $6)
 RETURNING *;
 
+-- name: UpdateTransaction :exec
+UPDATE transactions
+SET date = $1,
+    memo = $2,
+    amount = $3,
+    account_id = $4,
+    payee_id = $5,
+    category_id = $6
+WHERE id = $7;
+
+-- name: DeleteTransaction :exec
+DELETE FROM transactions
+WHERE id = $1;
+
 -- name: GetTransactionsForBudget :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