diff --git a/callback_create.go b/callback_create.go
index e7fe6f86..dd4d8365 100644
--- a/callback_create.go
+++ b/callback_create.go
@@ -100,8 +100,8 @@ func createCallback(scope *Scope) {
 				"INSERT INTO %v %v%v%v",
 				quotedTableName,
 				scope.Dialect().DefaultValueStr(),
-				addExtraSpaceIfExist(extraOption),
-				addExtraSpaceIfExist(lastInsertIDReturningSuffix),
+				addExtraSpaceBeforeIfExist(extraOption),
+				addExtraSpaceBeforeIfExist(lastInsertIDReturningSuffix),
 			))
 		} else {
 			scope.Raw(fmt.Sprintf(
@@ -109,8 +109,8 @@ func createCallback(scope *Scope) {
 				scope.QuotedTableName(),
 				strings.Join(columns, ","),
 				strings.Join(placeholders, ","),
-				addExtraSpaceIfExist(extraOption),
-				addExtraSpaceIfExist(lastInsertIDReturningSuffix),
+				addExtraSpaceBeforeIfExist(extraOption),
+				addExtraSpaceBeforeIfExist(lastInsertIDReturningSuffix),
 			))
 		}
 
diff --git a/callback_delete.go b/callback_delete.go
index 73d90880..1b073136 100644
--- a/callback_delete.go
+++ b/callback_delete.go
@@ -41,15 +41,15 @@ func deleteCallback(scope *Scope) {
 				scope.QuotedTableName(),
 				scope.Quote(deletedAtField.DBName),
 				scope.AddToVars(NowFunc()),
-				addExtraSpaceIfExist(scope.CombinedConditionSql()),
-				addExtraSpaceIfExist(extraOption),
+				addExtraSpaceBeforeIfExist(scope.CombinedConditionSql()),
+				addExtraSpaceBeforeIfExist(extraOption),
 			)).Exec()
 		} else {
 			scope.Raw(fmt.Sprintf(
 				"DELETE FROM %v%v%v",
 				scope.QuotedTableName(),
-				addExtraSpaceIfExist(scope.CombinedConditionSql()),
-				addExtraSpaceIfExist(extraOption),
+				addExtraSpaceBeforeIfExist(scope.CombinedConditionSql()),
+				addExtraSpaceBeforeIfExist(extraOption),
 			)).Exec()
 		}
 	}
diff --git a/callback_query.go b/callback_query.go
index ba10cc7d..468f26b4 100644
--- a/callback_query.go
+++ b/callback_query.go
@@ -56,7 +56,10 @@ func queryCallback(scope *Scope) {
 	if !scope.HasError() {
 		scope.db.RowsAffected = 0
 		if str, ok := scope.Get("gorm:query_option"); ok {
-			scope.SQL += addExtraSpaceIfExist(fmt.Sprint(str))
+			scope.SQL += addExtraSpaceBeforeIfExist(fmt.Sprint(str))
+		}
+		if str, ok := scope.Get("gorm:query_prefix"); ok {
+			scope.SQL = addExtraSpaceAfterIfExist(fmt.Sprint(str)) + scope.SQL
 		}
 
 		if rows, err := scope.SQLDB().Query(scope.SQL, scope.SQLVars...); scope.Err(err) == nil {
diff --git a/callback_row_query.go b/callback_row_query.go
index c2ff4a08..055cd4ab 100644
--- a/callback_row_query.go
+++ b/callback_row_query.go
@@ -1,6 +1,9 @@
 package gorm
 
-import "database/sql"
+import (
+	"database/sql"
+	"fmt"
+)
 
 // Define callbacks for row query
 func init() {
@@ -20,6 +23,9 @@ type RowsQueryResult struct {
 func rowQueryCallback(scope *Scope) {
 	if result, ok := scope.InstanceGet("row_query_result"); ok {
 		scope.prepareQuerySQL()
+		if str, ok := scope.Get("gorm:query_prefix"); ok {
+			scope.SQL = addExtraSpaceAfterIfExist(fmt.Sprint(str)) + scope.SQL
+		}
 
 		if rowResult, ok := result.(*RowQueryResult); ok {
 			rowResult.Row = scope.SQLDB().QueryRow(scope.SQL, scope.SQLVars...)
diff --git a/callback_update.go b/callback_update.go
index 373bd726..d36599ab 100644
--- a/callback_update.go
+++ b/callback_update.go
@@ -99,8 +99,8 @@ func updateCallback(scope *Scope) {
 				"UPDATE %v SET %v%v%v",
 				scope.QuotedTableName(),
 				strings.Join(sqls, ", "),
-				addExtraSpaceIfExist(scope.CombinedConditionSql()),
-				addExtraSpaceIfExist(extraOption),
+				addExtraSpaceBeforeIfExist(scope.CombinedConditionSql()),
+				addExtraSpaceBeforeIfExist(extraOption),
 			)).Exec()
 		}
 	}
diff --git a/utils.go b/utils.go
index dfaae939..6f8f6099 100644
--- a/utils.go
+++ b/utils.go
@@ -277,9 +277,16 @@ func getValueFromFields(value reflect.Value, fieldNames []string) (results []int
 	return
 }
 
-func addExtraSpaceIfExist(str string) string {
+func addExtraSpaceBeforeIfExist(str string) string {
 	if str != "" {
 		return " " + str
 	}
 	return ""
 }
+
+func addExtraSpaceAfterIfExist(str string) string {
+	if str != "" {
+		return str + " "
+	}
+	return ""
+}