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Set max_allowed_packet in dump and use extended insert

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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
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44
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");
function dump_table($table, $data = true) {
global $mysql;
global $mysql, $max_packet;
$result = $mysql->query("SHOW CREATE TABLE " . idf_escape($table));
if ($result) {
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";
}
}
$result->free();
if ($data) {
$result = $mysql->query("SELECT * FROM " . idf_escape($table)); //! enum and set as numbers, binary as _binary, microtime
if ($result) {
while ($row = $result->fetch_row()) {
foreach ($row as $key => $val) {
$row[$key] = (isset($val) ? "'" . $mysql->escape_string($val) . "'" : "NULL");
if ($result->num_rows) {
$insert = "INSERT INTO " . idf_escape($table) . " VALUES ";
$length = 0;
while ($row = $result->fetch_row()) {
foreach ($row as $key => $val) {
$row[$key] = (isset($val) ? "'" . $mysql->escape_string($val) . "'" : "NULL");
}
$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($s);
}
}
}
echo "INSERT INTO " . idf_escape($table) . " VALUES (" . implode(", ", $row) . ");\n";
echo ";\n";
}
$result->free();
}
@ -75,9 +103,11 @@ function dump($db) {
echo "\n\n";
}
$max_packet = 16777216;
echo "SET NAMES utf8;\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 foreign_key_checks = 0;\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 = $max_packet;\n";
echo "\n";
if (!strlen($_GET["db"])) {

1
todo.txt
View file

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