Not as good as ADOdb, but functional in adding auto-increment column to table

1 files changed, 16 insertions, 0 deletions

diff --git a/src/Schema/Grammars/FirebirdGrammar.php b/src/Schema/Grammars/FirebirdGrammar.php
index 17037fb..221a5f7 100755
--- a/src/Schema/Grammars/FirebirdGrammar.php
+++ b/src/Schema/Grammars/FirebirdGrammar.php
@@ -312,6 +312,22 @@ class FirebirdGrammar extends Grammar
     }
 
     /**
+     * Get the SQL for an auto-increment column modifier.
+     *
+     * @param  \Illuminate\Database\Schema\Blueprint  $blueprint
+     * @param  \Illuminate\Support\Fluent  $column
+     * @return string|null
+     */
+    protected function modifyIncrement(Blueprint $blueprint, Fluent $column)
+    {
+        if (in_array($column->type, $this->serials) && $column->autoIncrement) {
+            return $this->hasCommand($blueprint, 'primary') || ($column->change && ! $column->primary)
+                ? ' unique'
+                : ' generated BY DEFAULT as identity primary key';
+        }
+    }
+
+    /**
      * Create the column definition for a char type.
      *
      * @param  \Illuminate\Support\Fluent  $column