From 690f8f509c54f7ada5d4ee41d27f1d332bbba7e4 Mon Sep 17 00:00:00 2001
From: jakubvrana <jakubvrana@7c3ca157-0c34-0410-bff1-cbf682f78f5c>
Date: Fri, 28 Aug 2009 15:29:42 +0000
Subject: [PATCH] Unbuffered queries save memory

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1038 7c3ca157-0c34-0410-bff1-cbf682f78f5c
---
 adminer/include/export.inc.php | 2 +-
 adminer/include/mysql.inc.php  | 4 ++--
 adminer/include/pdo.inc.php    | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/adminer/include/export.inc.php b/adminer/include/export.inc.php
index 2cdced7c..19866c16 100644
--- a/adminer/include/export.inc.php
+++ b/adminer/include/export.inc.php
@@ -100,7 +100,7 @@ function dump_data($table, $style, $select = "") {
 		if ($_POST["format"] != "csv" && $style == "TRUNCATE+INSERT") {
 			dump("TRUNCATE " . idf_escape($table) . ";\n");
 		}
-		$result = $dbh->query(($select ? $select : "SELECT * FROM " . idf_escape($table))); //! enum and set as numbers, microtime
+		$result = $dbh->query(($select ? $select : "SELECT * FROM " . idf_escape($table)), 1); // 1 - MYSQLI_USE_RESULT //! enum and set as numbers, microtime
 		if ($result) {
 			$fields = fields($table);
 			$insert = "";
diff --git a/adminer/include/mysql.inc.php b/adminer/include/mysql.inc.php
index 84a984c7..0defded2 100644
--- a/adminer/include/mysql.inc.php
+++ b/adminer/include/mysql.inc.php
@@ -61,8 +61,8 @@ if (extension_loaded("mysqli")) {
 			return mysql_select_db($database, $this->_link);
 		}
 		
-		function query($query) {
-			$result = @mysql_query($query, $this->_link); // mute mysql.trace_mode
+		function query($query, $unbuffered = false) {
+			$result = @($unbuffered ? mysql_unbuffered_query($query, $this->_link) : mysql_query($query, $this->_link)); // @ - mute mysql.trace_mode
 			if (!$result) {
 				$this->error = mysql_error($this->_link);
 				return false;
diff --git a/adminer/include/pdo.inc.php b/adminer/include/pdo.inc.php
index 80e239ff..2b6e451e 100644
--- a/adminer/include/pdo.inc.php
+++ b/adminer/include/pdo.inc.php
@@ -19,7 +19,7 @@ if (extension_loaded('pdo')) {
 			return $this->query("USE " . idf_escape($database));
 		}
 		
-		function query($query) {
+		function query($query) { // $unbuffered is not supported
 			$result = parent::query($query);
 			if (!$result) {
 				$errorInfo = $this->errorInfo();