summaryrefslogtreecommitdiffstats
path: root/system/database/drivers/sqlsrv/sqlsrv_driver.php
diff options
context:
space:
mode:
authorAndrey Andreev <narf@bofh.bg>2012-11-16 00:27:00 +0100
committerAndrey Andreev <narf@bofh.bg>2012-11-16 00:27:00 +0100
commitf1e1b7789b9adaf0b38b8386c99f46fc37507c8f (patch)
treeaffb83fbbedb2e8e7279fe3edb6682027782d001 /system/database/drivers/sqlsrv/sqlsrv_driver.php
parent10ecc84a3215ca02c11855e399a211f4e5cb60b1 (diff)
Improve DB field_data() for MSSQL / SQL Server
Diffstat (limited to 'system/database/drivers/sqlsrv/sqlsrv_driver.php')
-rw-r--r--system/database/drivers/sqlsrv/sqlsrv_driver.php37
1 files changed, 30 insertions, 7 deletions
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index a3d3177f7..1e182958c 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -325,22 +325,45 @@ class CI_DB_sqlsrv_driver extends CI_DB {
*/
protected function _list_columns($table = '')
{
- return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
+ return "SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$table."'";
}
// --------------------------------------------------------------------
/**
- * 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($table = '')
{
- return 'SELECT TOP 1 * FROM '.$this->protect_identifiers($table);
+ if ($table === '')
+ {
+ return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE;
+ }
+
+ $sql = 'SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION, COLUMN_DEFAULT
+ FROM INFORMATION_SCHEMA.Columns
+ WHERE TABLE_NAME = '.$this->escape($table);
+
+ if (($query = $this->query($sql)) === 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]->COLUMN_NAME;
+ $retval[$i]->type = $query[$i]->DATA_TYPE;
+ $retval[$i]->max_length = ($query[$i]->CHARACTER_MAXIMUM_LENGTH > 0) ? $query[$i]->NUMERIC_PRECISION : $query[$i]->CHARACTER_MAXIMUM_LENGTH;
+ $retval[$i]->default = $query[$i]->COLUMN_DEFAULT;
+ }
+
+ return $retval;
}
// --------------------------------------------------------------------