beenull/adminerevo
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

Set max_allowed_packet in dump and use extended insert

Browse source 
git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@394 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana 2008-05-02 15:30:11 +00:00
parent ff74bf07a1
commit 54c866ed85
2 changed files with 37 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
dump.inc.php
View file

@ -4,19 +4,47 @@ $filename = (strlen($_GET["db"]) ? preg_replace('~[^a-z0-9_]~i', '-', (strlen($_
header("Content-Disposition: inline; filename=$filename.sql"); header("Content-Disposition: inline; filename=$filename.sql");
function dump_table($table, $data = true) { function dump_table($table, $data = true) {
global $mysql; global $mysql, $max_packet;
$result = $mysql->query("SHOW CREATE TABLE " . idf_escape($table)); $result = $mysql->query("SHOW CREATE TABLE " . idf_escape($table));
if ($result) { if ($result) {
echo $mysql->result($result, 1) . ";\n\n"; echo $mysql->result($result, 1) . ";\n\n";
if ($max_packet < pow(2, 30)) { // protocol limit
$row_size = 21 + strlen(idf_escape($table));
foreach (fields($table) as $field) {
$type = $types[$field["type"]];
$row_size += 5 + ($field["length"] ? $field["length"] : $type) * (preg_match('~char|text|enum~', $field["type"]) ? 3 : 1); // UTF-8 in MySQL uses up to 3 bytes
}
if ($row_size > $max_packet) {
$max_packet = 1024 * ceil($row_size / 1024);
echo "SET max_allowed_packet = $max_packet, GLOBAL max_allowed_packet = $max_packet;\n";
}
}
$result->free(); $result->free();
if ($data) { if ($data) {
$result = $mysql->query("SELECT * FROM " . idf_escape($table)); //! enum and set as numbers, binary as _binary, microtime $result = $mysql->query("SELECT * FROM " . idf_escape($table)); //! enum and set as numbers, binary as _binary, microtime
if ($result) { if ($result) {
if ($result->num_rows) {
$insert = "INSERT INTO " . idf_escape($table) . " VALUES ";
$length = 0;
while ($row = $result->fetch_row()) { while ($row = $result->fetch_row()) {
foreach ($row as $key => $val) { foreach ($row as $key => $val) {
$row[$key] = (isset($val) ? "'" . $mysql->escape_string($val) . "'" : "NULL"); $row[$key] = (isset($val) ? "'" . $mysql->escape_string($val) . "'" : "NULL");
} }
echo "INSERT INTO " . idf_escape($table) . " VALUES (" . implode(", ", $row) . ");\n"; $s = "(" . implode(", ", $row) . ")";
if (!$length) {
echo $insert, $s;
$length = strlen($insert) + strlen($s);
} else {
$length += 2 + strlen($s);
if ($length < $max_packet) {
echo ", ", $s;
} else {
echo ";\n", $insert, $s;
$length = strlen($insert) + strlen($s);
}
}
}
echo ";\n";
} }
$result->free(); $result->free();
} }
@ -75,9 +103,11 @@ function dump($db) {
echo "\n\n"; echo "\n\n";
} }
$max_packet = 16777216;
echo "SET NAMES utf8;\n"; echo "SET NAMES utf8;\n";
echo "SET FOREIGN_KEY_CHECKS = 0;\n"; echo "SET foreign_key_checks = 0;\n";
echo "SET TIME_ZONE = '" . $mysql->escape_string($mysql->result($mysql->query("SELECT @@TIME_ZONE"))) . "';\n"; echo "SET time_zone = '" . $mysql->escape_string($mysql->result($mysql->query("SELECT @@time_zone"))) . "';\n";
echo "SET max_allowed_packet = $max_packet, GLOBAL max_allowed_packet = $max_packet;\n";
echo "\n"; echo "\n";
if (!strlen($_GET["db"])) { if (!strlen($_GET["db"])) {

1
todo.txt
View file

@ -9,7 +9,6 @@ Execution time in sql.inc.php
Input function results in edit Input function results in edit
Choose tables and data to export Choose tables and data to export
Order rows by clicking on table heading Order rows by clicking on table heading
Set max_allowed_packet in dump and use extended insert
? CSV export ? CSV export
? Query print ? Query print
? Access without login - accept $_GET ? Access without login - accept $_GET