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authorsaintnicster <saintnicster@gmail.com>2011-09-14 23:30:21 +0200
committerPhil Sturgeon <email@philsturgeon.co.uk>2011-11-02 10:53:39 +0100
commit03192a087965e6927a4842e49f5fd825dedd350f (patch)
treecd77cadec4d2be799488c872bc0d49c7b8fc4b6b /user_guide
parent72b5b8a506df81252d71c69336c0de0172f9e616 (diff)
Copied into GitHub from @kenjis 's bitbucket repo.https://bitbucket.org/kenjis/ci-user-guide/changeset/3d579dd14afe
Diffstat (limited to 'user_guide')
-rw-r--r--user_guide/database/active_record.html39
1 files changed, 37 insertions, 2 deletions
diff --git a/user_guide/database/active_record.html b/user_guide/database/active_record.html
index bd3c07d88..17c58c9f1 100644
--- a/user_guide/database/active_record.html
+++ b/user_guide/database/active_record.html
@@ -546,7 +546,7 @@ $data = array(<br/>
&nbsp;&nbsp;&nbsp;)<br/>
);<br />
<br />
-$this->db->update_batch('mytable', $data);
+$this->db->insert_batch('mytable', $data);
<br /><br />
// Produces: INSERT INTO mytable (title, name, date) VALUES ('My title', 'My name', 'My date'), ('Another title', 'Another name', 'Another date')</code>
@@ -669,6 +669,41 @@ You can optionally pass this information directly into the update function as a
<p>You may also use the <dfn>$this->db->set()</dfn> function described above when performing updates.</p>
+<h2>$this->db->update_batch();</h2>
+<p>Generates an update string based on the data you supply, and runs the query. You can either pass an
+<strong>array</strong> or an <strong>object</strong> to the function. Here is an example using an array:</p>
+
+<code>
+$data = array(<br/>
+&nbsp;&nbsp;&nbsp;array(<br />
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'title' => 'My title' ,<br />
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'name' => 'My Name 2' ,<br />
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'date' => 'My date 2'<br />
+&nbsp;&nbsp;&nbsp;),<br />
+&nbsp;&nbsp;&nbsp;array(<br />
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'title' => 'Another title' ,<br />
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'name' => 'Another Name 2' ,<br />
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'date' => 'Another date 2'<br />
+&nbsp;&nbsp;&nbsp;)<br/>
+);<br />
+<br />
+$this->db->update_batch('mytable', $data, 'title');
+<br /><br />
+// Produces: <br />
+// UPDATE `mytable` SET `name` = CASE<br />
+// WHEN `title` = 'My title' THEN 'My Name 2'<br />
+// WHEN `title` = 'Another title' THEN 'Another Name 2'<br />
+// ELSE `name` END,<br />
+// `date` = CASE <br />
+// WHEN `title` = 'My title' THEN 'My date 2'<br />
+// WHEN `title` = 'Another title' THEN 'Another date 2'<br />
+// ELSE `date` END<br />
+// WHERE `title` IN ('My title','Another title')</code>
+
+<p>The first parameter will contain the table name, the second is an associative array of values, the third parameter is the where key.</p>
+
+<p class="important"><strong>Note:</strong> All values are escaped automatically producing safer queries.</p>
+
<a name="delete">&nbsp;</a>
<h1>Deleting Data</h1>
@@ -786,4 +821,4 @@ Next Topic:&nbsp;&nbsp;<a href="transactions.html">Transactions</a>
</div>
</body>
-</html> \ No newline at end of file
+</html>