sqlc+firewalldb: add GetAction SQL query

Add a new SQL query `GetAction` to retrieve a single action by its ID.
This query will be needed for the kvdb to SQL migration of actions
store.

Author: ViktorT-11

db/sqlc/actions.sql.go

@@ -13,3 +13,9 @@ UPDATE actions
 SET action_state = $1,
     error_reason = $2
 WHERE id = $3;
+
+
+-- name: GetAction :one
+SELECT *
+FROM actions
+WHERE id = $1;

db/sqlc/querier.go

@@ -35,6 +35,7 @@ type SQLActionQueries interface {
 	SetActionState(ctx context.Context, arg sqlc.SetActionStateParams) error
 	ListActions(ctx context.Context, arg sqlc.ListActionsParams) ([]sqlc.Action, error)
 	CountActions(ctx context.Context, arg sqlc.ActionQueryParams) (int64, error)
+	GetAction(ctx context.Context, id int64) (sqlc.Action, error)
 }
 
 // sqlActionLocator helps us find an action in the SQL DB.