feat: Modified to useable auto increment.

1 files changed, 25 insertions, 1 deletions

diff --git a/system/database/drivers/pdo/subdrivers/pdo_oci_forge.php b/system/database/drivers/pdo/subdrivers/pdo_oci_forge.php
index b5d3eb143..aa78461df 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_oci_forge.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_oci_forge.php
@@ -150,9 +150,33 @@ class CI_DB_pdo_oci_forge extends CI_DB_pdo_forge {
 	 */
 	protected function _attr_auto_increment(&$attributes, &$field)
 	{
-		// Not supported - sequences and triggers must be used instead
+		if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'number') !== FALSE && version_compare($this->db->version(), '12.1', '>='))
+		{
+			$field['auto_increment'] = ' GENERATED ALWAYS AS IDENTITY';
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Process column
+	 *
+	 * @param	array	$field
+	 * @return	string
+	 */
+	protected function _process_column($field)
+	{
+		return $this->db->escape_identifiers($field['name'])
+			.' '.$field['type'].$field['length']
+			.$field['unsigned']
+			.$field['default']
+			.$field['auto_increment']
+			.$field['null']
+			.$field['unique'];
 	}
 
+	// --------------------------------------------------------------------
+
 	/**
 	 * Field attribute TYPE
 	 *