Set max_allowed_packet in dump and use extended insert
git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@394 7c3ca157-0c34-0410-bff1-cbf682f78f5c
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dump.inc.php
38
dump.inc.php
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@ -4,19 +4,47 @@ $filename = (strlen($_GET["db"]) ? preg_replace('~[^a-z0-9_]~i', '-', (strlen($_
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header("Content-Disposition: inline; filename=$filename.sql");
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header("Content-Disposition: inline; filename=$filename.sql");
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function dump_table($table, $data = true) {
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function dump_table($table, $data = true) {
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global $mysql;
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global $mysql, $max_packet;
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$result = $mysql->query("SHOW CREATE TABLE " . idf_escape($table));
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$result = $mysql->query("SHOW CREATE TABLE " . idf_escape($table));
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if ($result) {
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if ($result) {
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echo $mysql->result($result, 1) . ";\n\n";
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echo $mysql->result($result, 1) . ";\n\n";
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if ($max_packet < pow(2, 30)) { // protocol limit
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$row_size = 21 + strlen(idf_escape($table));
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foreach (fields($table) as $field) {
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$type = $types[$field["type"]];
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$row_size += 5 + ($field["length"] ? $field["length"] : $type) * (preg_match('~char|text|enum~', $field["type"]) ? 3 : 1); // UTF-8 in MySQL uses up to 3 bytes
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}
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if ($row_size > $max_packet) {
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$max_packet = 1024 * ceil($row_size / 1024);
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echo "SET max_allowed_packet = $max_packet, GLOBAL max_allowed_packet = $max_packet;\n";
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}
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}
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$result->free();
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$result->free();
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if ($data) {
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if ($data) {
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$result = $mysql->query("SELECT * FROM " . idf_escape($table)); //! enum and set as numbers, binary as _binary, microtime
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$result = $mysql->query("SELECT * FROM " . idf_escape($table)); //! enum and set as numbers, binary as _binary, microtime
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if ($result) {
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if ($result) {
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if ($result->num_rows) {
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$insert = "INSERT INTO " . idf_escape($table) . " VALUES ";
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$length = 0;
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while ($row = $result->fetch_row()) {
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while ($row = $result->fetch_row()) {
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foreach ($row as $key => $val) {
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foreach ($row as $key => $val) {
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$row[$key] = (isset($val) ? "'" . $mysql->escape_string($val) . "'" : "NULL");
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$row[$key] = (isset($val) ? "'" . $mysql->escape_string($val) . "'" : "NULL");
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}
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}
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echo "INSERT INTO " . idf_escape($table) . " VALUES (" . implode(", ", $row) . ");\n";
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$s = "(" . implode(", ", $row) . ")";
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if (!$length) {
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echo $insert, $s;
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$length = strlen($insert) + strlen($s);
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} else {
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$length += 2 + strlen($s);
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if ($length < $max_packet) {
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echo ", ", $s;
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} else {
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echo ";\n", $insert, $s;
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$length = strlen($insert) + strlen($s);
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}
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}
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}
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echo ";\n";
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}
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}
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$result->free();
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$result->free();
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}
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}
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@ -75,9 +103,11 @@ function dump($db) {
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echo "\n\n";
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echo "\n\n";
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}
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}
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$max_packet = 16777216;
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echo "SET NAMES utf8;\n";
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echo "SET NAMES utf8;\n";
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echo "SET FOREIGN_KEY_CHECKS = 0;\n";
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echo "SET foreign_key_checks = 0;\n";
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echo "SET TIME_ZONE = '" . $mysql->escape_string($mysql->result($mysql->query("SELECT @@TIME_ZONE"))) . "';\n";
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echo "SET time_zone = '" . $mysql->escape_string($mysql->result($mysql->query("SELECT @@time_zone"))) . "';\n";
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echo "SET max_allowed_packet = $max_packet, GLOBAL max_allowed_packet = $max_packet;\n";
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echo "\n";
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echo "\n";
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if (!strlen($_GET["db"])) {
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if (!strlen($_GET["db"])) {
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1
todo.txt
1
todo.txt
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@ -9,7 +9,6 @@ Execution time in sql.inc.php
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Input function results in edit
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Input function results in edit
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Choose tables and data to export
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Choose tables and data to export
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Order rows by clicking on table heading
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Order rows by clicking on table heading
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Set max_allowed_packet in dump and use extended insert
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? CSV export
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? CSV export
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? Query print
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? Query print
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? Access without login - accept $_GET
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? Access without login - accept $_GET
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