diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index f7f4bd1..bc0a100 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -91,6 +91,19 @@
return TRUE;
}
+ // --------------------------------------------------------------------
+
+ /**
+ * Version number query string
+ *
+ * @access public
+ * @return string
+ */
+ function _version()
+ {
+ return ociserverversion($this->conn_id);
+ }
+
// --------------------------------------------------------------------
/**
@@ -102,10 +115,8 @@
*/
function _execute($sql)
{
- // oracle must parse the query before it
- // is run, all of the actions with
- // the query are based off the statement id
- // returned by ociparse
+ // oracle must parse the query before it is run. All of the actions with
+ // the query are based on the statement id returned by ociparse
$this->_set_stmt_id($sql);
ocisetprefetch($this->stmt_id, 1000);
return @ociexecute($this->stmt_id, $this->_commit);
@@ -391,6 +402,38 @@
// --------------------------------------------------------------------
/**
+ * Show columnn query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @access public
+ * @param string the table name
+ * @return string
+ */
+ function _list_columns($table = '')
+ {
+ return "SELECT COLUMN_NAME FROM all_tab_columns WHERE table_name = '$table'";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @access public
+ * @param string the table name
+ * @return object
+ */
+ function _field_data($table)
+ {
+ return "SELECT * FROM ".$this->_escape_table($table)." where rownum = 1";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* The error message string
*
* @access private