From: Christopher Jones <sixd@php.net>
Date: Tue, 15 Jan 2008 20:54:22 +0000 (+0000)
Subject: MFH: Testcase for #43492 (nested cursors)
X-Git-Tag: php-5.2.6RC1~164
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ea2d2d6bb60efdce336e08e3b7e7076c28253feb;p=php

MFH: Testcase for #43492 (nested cursors)
---

diff --git a/ext/oci8/tests/bug43492.phpt b/ext/oci8/tests/bug43492.phpt
new file mode 100644
index 0000000000..d28aabfced
--- /dev/null
+++ b/ext/oci8/tests/bug43492.phpt
@@ -0,0 +1,378 @@
+--TEST--
+Bug #43492 (Nested cursor leaks)
+--SKIPIF--
+<?php if (!extension_loaded('oci8')) die ("skip no oci8 extension"); ?>
+--FILE--
+<?php
+
+require dirname(__FILE__).'/connect.inc';
+
+$stmtarray = array(
+    "DROP table bug43492_tab",
+    "CREATE TABLE bug43492_tab(col1 VARCHAR2(1))",
+    "INSERT INTO bug43492_tab VALUES ('A')",
+    "INSERT INTO bug43492_tab VALUES ('B')",
+    "INSERT INTO bug43492_tab VALUES ('C')",
+    "INSERT INTO bug43492_tab VALUES ('D')",
+    "INSERT INTO bug43492_tab VALUES ('E')",
+    "INSERT INTO bug43492_tab VALUES ('F')",
+    "INSERT INTO bug43492_tab VALUES ('G')",
+    "INSERT INTO bug43492_tab VALUES ('H')",
+    "INSERT INTO bug43492_tab VALUES ('I')",
+    "INSERT INTO bug43492_tab VALUES ('J')"
+);
+
+foreach ($stmtarray as $stmt) {
+    $s = oci_parse($c, $stmt);
+    @oci_execute($s);
+}
+
+/*
+
+While fetching data from a ref cursor, the parent statement needs to
+be around.  Also when the parent statement goes out of scope, it is
+not automatically released which causes a cursor leak.
+
+If either or both of the lines marked (*) are removed, then the script
+will fail with the error "ORA-01000: maximum open cursors exceeded".
+
+*/
+
+function fetch($c, $i) {
+    global $s;   //  (*) Allow parent statement to be available when child is used
+    $s = ociparse($c, 'select cursor(select * from bug43492_tab) c from bug43492_tab');
+    ociexecute($s, OCI_DEFAULT);
+    ocifetchinto($s, $result, OCI_ASSOC);
+    ociexecute($result['C'], OCI_DEFAULT);
+    return $result['C'];
+}
+
+for($i = 0; $i < 300; $i++) {
+    $cur = fetch($c, $i);
+    for($j = 0; $j < 10; $j++) {
+        ocifetchinto($cur, $row, OCI_NUM);
+        echo "$row[0] ";
+    }
+    echo "\n";
+    ocifreestatement($cur);
+    ocifreestatement($s);   // (*) Free the parent statement cleanly
+}
+
+echo "Done\n";
+
+// Cleanup
+
+$stmtarray = array(
+    "DROP table bug43492_tab"
+);
+
+foreach ($stmtarray as $stmt) {
+    $s = oci_parse($c, $stmt);
+    @oci_execute($s);
+}
+
+oci_close($c);
+
+?>
+--EXPECT--
+A B C D E F G H I J 
+A B C D E F G H I J 
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+A B C D E F G H I J 
+A B C D E F G H I J 
+A B C D E F G H I J 
+A B C D E F G H I J 
+Done