diff options
Diffstat (limited to 'user_guide/database')
| -rw-r--r-- | user_guide/database/active_record.html | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/user_guide/database/active_record.html b/user_guide/database/active_record.html index 0146941ba..cf8ad469f 100644 --- a/user_guide/database/active_record.html +++ b/user_guide/database/active_record.html @@ -268,26 +268,33 @@ $this->db->or_where('id >', $id); <h2>$this->db->where_in();</h2>
-<p>This function is used to write WHERE clauses that contain the IN keyword.</p>
+<p>Generates a WHERE field IN ('item', 'item') SQL query joined with AND if appropriate</p>
+<p><code>
+ $names = array('Frank', 'Todd', 'James');<br />
+ $this->db->where_in('username', $names);<br />
+ // Produces: AND WHERE username IN ('Frank', 'Todd', 'James')</code></p>
+
+<h2>$this->db->where_in_or();</h2>
+<p>Generates a WHERE field IN ('item', 'item') SQL query joined with OR if appropriate</p>
+<p><code>
+ $names = array('Frank', 'Todd', 'James');<br />
+ $this->db->where_in_or('username', $names);<br />
+ // Produces: OR WHERE username IN ('Frank', 'Todd', 'James')</code></p>
+
+<h2>$this->db->where_not_in();</h2>
+<p>Generates a WHERE field NOT IN ('item', 'item') SQL query joined with AND if appropriate</p>
+<p><code>
+ $names = array('Frank', 'Todd', 'James');<br />
+ $this->db->where_not_in('username', $names);<br />
+ // Produces: AND WHERE username NOT IN ('Frank', 'Todd', 'James')</code></p>
+<h2>$this->db->where_not_in_or();</h2>
+<p>Generates a WHERE field NOT IN ('item', 'item') SQL query joined with OR if appropriate</p>
<p><code>
- $names = array('frank', 'Todd', 'James');<br />
+ $names = array('Frank', 'Todd', 'James');<br />
$this->db->where_in('username', $names);<br />
- // Produces: AND WHERE username IN ('frank', 'Todd', 'James')</code></p>
-<p>An optional third parameter can be used to specify if the WHERE statement should be separated with "OR" or "AND" in the event of multiple WHERE calls. The default is "AND". They are called with 'and', 'or'.</p>
-<p><code>$names = array('frank', 'Todd', 'James');<br />
- <br />
- $this->db->where('usergroup', '5')<br />
-$this->db->where_in('username', $names);<br />
-// Produces: WHERE usergroup = '5' AND WHERE username IN ('frank', 'Todd', 'James')<br />
-<br />
-$this->db->where('usergroup', '5')<br />
-$this->db->where_in('username', $names, 'and');<br />
-// Produces: WHERE usergroup = '5' AND WHERE username IN ('frank', 'Todd', 'James')<br />
-<br />
-$this->db->where('usergroup', '5')<br />
-$this->db->where_in('username', $names, 'or');<br />
-// Produces: WHERE usergroup = '5' OR WHERE username IN ('frank', 'Todd', 'James')</code></p>
+ // Produces: OR WHERE username NOT IN ('Frank', 'Todd', 'James')</code></p>
+
<h2>$this->db->like();</h2>
<p>This function enables you to generate <strong>LIKE</strong> clauses, useful for doing searches.</p>
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