chore: fix lint errors

drivers/postgres.go

@@ -196,6 +196,10 @@ func (db *Postgres) GetTableColumns(database, table string) (results [][]string,
 		results = append(results, row)
 	}
 
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+
 	return
 }
 

drivers/utils_test.go

@@ -6,15 +6,16 @@ import (
 	"testing"
 
 	gomock "github.com/DATA-DOG/go-sqlmock"
+
 	"github.com/jorgerojas26/lazysql/models"
 )
 
 func Test_queriesInTransaction(t *testing.T) {
 	tests := []struct {
-		name                string
-		queries             []models.Query
 		setMockExpectations func(mock gomock.Sqlmock)
 		assertErr           func(t *testing.T, err error)
+		name                string
+		queries             []models.Query
 	}{
 		{
 			name: "successful transaction",
@@ -38,6 +39,7 @@ func Test_queriesInTransaction(t *testing.T) {
 				mock.ExpectCommit().WillReturnError(errors.New("commit error"))
 			},
 			assertErr: func(t *testing.T, err error) {
+				t.Helper()
 				if !strings.Contains(err.Error(), "commit error") {
 					t.Errorf("expected error to contain 'commit error', got %v", err)
 				}
@@ -54,6 +56,7 @@ func Test_queriesInTransaction(t *testing.T) {
 				mock.ExpectRollback()
 			},
 			assertErr: func(t *testing.T, err error) {
+				t.Helper()
 				if !strings.Contains(err.Error(), "query error") {
 					t.Errorf("expected error to contain 'commit error', got %v", err)
 				}
@@ -73,6 +76,7 @@ func Test_queriesInTransaction(t *testing.T) {
 				mock.ExpectRollback()
 			},
 			assertErr: func(t *testing.T, err error) {
+				t.Helper()
 				if !strings.Contains(err.Error(), "query error") {
 					t.Errorf("expected error to contain 'commit error', got %v", err)
 				}
@@ -89,6 +93,7 @@ func Test_queriesInTransaction(t *testing.T) {
 				mock.ExpectRollback().WillReturnError(errors.New("rollback error"))
 			},
 			assertErr: func(t *testing.T, err error) {
+				t.Helper()
 				errMsg := err.Error()
 				if !strings.Contains(errMsg, "query error") {
 					t.Errorf("expected error to contain 'commit error', got %v", err)