diff options
Diffstat (limited to 'user_guide/database/fields.html')
| -rw-r--r-- | user_guide/database/fields.html | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/user_guide/database/fields.html b/user_guide/database/fields.html index 260cd222f..83abe6327 100644 --- a/user_guide/database/fields.html +++ b/user_guide/database/fields.html @@ -94,6 +94,23 @@ foreach ($query->list_fields() as $field)<br /> </code>
+<h2>$this->db->field_exists();</h2>
+
+<p>Sometimes it's helpful to know whether a particular field exists befor performing an action.
+Returns a boolean TRUE/FALSE. Usage example:</p>
+
+<code>
+if ($this->db->field_exists('field_name', 'table_name'))<br />
+{<br />
+ // some code...<br />
+}
+</code>
+
+<p>Note: Replace <em>field_name</em> with the name of the column you are looking for, and replace
+<em>table_name</em> with the name of the table you are looking for.</p>
+
+
+
<h2>$this->db->field_data();</h2>
<p>Returns an array of objects containing field information.</p>
|