refactor to use OraDialect interface

callback_create.go

@@ -1,9 +1,7 @@
 package gorm
 
 import (
-	"database/sql"
 	"fmt"
-	"reflect"
 	"strings"
 )
 
@@ -146,30 +144,8 @@ func createCallback(scope *Scope) {
 			return
 		}
 
-		// this is very specific to how the oci8 driver handles the last insert id via a sql.Out parameter
-		if scope.Dialect().GetName() == "oci8" {
-			var stringId string
-			var intId uint32
-			primaryIsString := false
-			out := sql.Out{
-				Dest: &intId,
-			}
-			if primaryField.Field.Kind() == reflect.String {
-				out = sql.Out{
-					Dest: &stringId,
-				}
-				primaryIsString = true
-			}
-			scope.SQLVars = append(scope.SQLVars, out)
-			scope.SQL = fmt.Sprintf("%s returning %s into :%d", scope.SQL, scope.Quote(primaryField.DBName), len(scope.SQLVars))
-			if result, err := scope.SQLDB().Exec(scope.SQL, scope.SQLVars...); scope.Err(err) == nil {
-				scope.db.RowsAffected, _ = result.RowsAffected()
-				if primaryIsString {
-					scope.Err(primaryField.Set(stringId))
-				} else {
-					scope.Err(primaryField.Set(intId))
-				}
-			}
+		if ora, ok := scope.Dialect().(OraDialect); ok {
+			ora.CreateWithReturningInto(scope)
 			return
 		}