From 10ecc84a3215ca02c11855e399a211f4e5cb60b1 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Fri, 16 Nov 2012 01:06:20 +0200
Subject: Improve DB field_data() for MySQL and CUBRID

---
 system/database/drivers/cubrid/cubrid_driver.php | 36 ++++++++++++++++++++----
 system/database/drivers/cubrid/cubrid_result.php | 14 +++------
 2 files changed, 34 insertions(+), 16 deletions(-)

(limited to 'system/database/drivers/cubrid')

diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index 839413951..21994b093 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -397,16 +397,40 @@ class CI_DB_cubrid_driver extends CI_DB {
 	// --------------------------------------------------------------------
 
 	/**
-	 * Field data query
-	 *
-	 * Generates a platform-specific query so that the column data can be retrieved
+	 * Returns an object with field data
 	 *
 	 * @param	string	$table
-	 * @return	string
+	 * @return	array
 	 */
-	protected function _field_data($table)
+	public function field_data($table = '')
 	{
-		return 'SELECT * FROM '.$table.' LIMIT 1';
+		if ($table === '')
+		{
+			return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
+		}
+
+		if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
+		{
+			return FALSE;
+		}
+		$query = $query->result_object();
+
+		$retval = array();
+		for ($i = 0, $c = count($query); $i < $c; $i++)
+		{
+			$retval[$i]			= new stdClass();
+			$retval[$i]->name		= $query[$i]->Field;
+
+			sscanf($query[$i]->Type, '%[a-z](%d)',
+				$retval[$i]->type,
+				$retval[$i]->max_length
+			);
+
+			$retval[$i]->default		= $query[$i]->Default;
+			$retval[$i]->primary_key	= (int) ($query[$i]->Key === 'PRI');
+		}
+
+		return $retval;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php
index 30aed38d9..130eea212 100644
--- a/system/database/drivers/cubrid/cubrid_result.php
+++ b/system/database/drivers/cubrid/cubrid_result.php
@@ -88,20 +88,14 @@ class CI_DB_cubrid_result extends CI_DB_result {
 	public function field_data()
 	{
 		$retval = array();
-		$i = 0;
 
-		while ($field = cubrid_fetch_field($this->result_id))
+		for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
 		{
 			$retval[$i]			= new stdClass();
-			$retval[$i]->name		= $field->name;
-			// CUBRID returns type as e.g. varchar(100),
-			// so we need to remove all digits and brackets.
-			$retval[$i]->type		= preg_replace('/[\d()]/', '', $field->type);
-			$retval[$i]->default		= $field->def;
-			// Use CUBRID's native API to obtain column's max_length,
-			// otherwise $field->max_length has incorrect info
+			$retval[$i]->name		= cubrid_field_name($this->result_id, $i);
+			$retval[$i]->type		= cubrid_field_type($this->result_id, $i);
 			$retval[$i]->max_length		= cubrid_field_len($this->result_id, $i);
-			$retval[$i++]->primary_key	= $field->primary_key;
+			$retval[$i]->primary_key	= (int) (strpos(cubrid_field_flags($this->result_id, $i), 'primary_key') !== FALSE);
 		}
 
 		return $retval;
-- 
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