Update GetExecution function signature and SQL query

internal/service/executions/get_execution.go

@@ -9,6 +9,6 @@ import (
 
 func (s *Service) GetExecution(
 	ctx context.Context, id uuid.UUID,
-) (dbgen.Execution, error) {
+) (dbgen.ExecutionsServiceGetExecutionRow, error) {
 	return s.dbgen.ExecutionsServiceGetExecution(ctx, id)
 }

internal/service/executions/get_execution.sql

@@ -5,4 +5,4 @@ SELECT
 FROM executions
 INNER JOIN backups ON backups.id = executions.backup_id
 INNER JOIN databases ON databases.id = backups.database_id
-WHERE id = @id;
+WHERE executions.id = @id;