fixed bug in conditional SQL

examples/sql-condition.php

@@ -0,0 +1,51 @@
+<style>
+pre.dibi { padding-bottom: 10px; }
+</style>
+<h1>dibi conditional SQL example</h1>
+<pre>
+<?php
+
+require_once '../dibi/dibi.php';
+
+
+dibi::connect(array(
+    'driver'   => 'sqlite',
+    'database' => 'sample.sdb',
+));
+
+
+$cond1 = rand(0,2) < 1;
+$cond2 = rand(0,2) < 1;
+$foo = -1;
+$bar = 2;
+
+
+$name = $cond1 ? 'K%' : NULL;
+
+// if & end
+dibi::test('
+SELECT *
+FROM [customers]
+%if', isset($name), 'WHERE [name] LIKE %s', $name, '%end'
+);
+
+
+// if & else & (optional) end
+dibi::test("
+SELECT *
+FROM [people]
+WHERE [id] > 0
+    %if", ($foo > 0), "AND [foo]=%i", $foo, "
+    %else %if", ($bar > 0), "AND [bar]=%i", $bar, "
+");
+
+
+// nested condition
+dibi::test('
+SELECT *
+FROM [customers]
+WHERE
+    %if', isset($name), '[name] LIKE %s', $name, '
+        %if', $cond2, 'AND [admin]=1 %end
+    %else 1 LIMIT 10 %end'
+);