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Reduce memory used by TAR export

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This commit is contained in:
Jakub Vrana 2013-04-29 15:45:15 -07:00
parent 63c400f95d
commit 40c61f6cfc
3 changed files with 7 additions and 4 deletions
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2
adminer/dump.inc.php
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@ -84,7 +84,7 @@ SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
echo "\nDELIMITER ;;\n$triggers\nDELIMITER ;\n";
}
if ($ext == "tar") {
echo tar_file((DB != "" ? "" : "$db/") . "$name.csv", ob_get_clean());
tar_file((DB != "" ? "" : "$db/") . "$name.csv", ob_get_clean());
} elseif ($is_sql) {
echo "\n";
}

7
adminer/include/editing.inc.php
View file

@ -412,7 +412,7 @@ function remove_definer($query) {
/** Get string to add a file in TAR
* @param string
* @param string
* @return string
* @return null prints the output
*/
function tar_file($filename, $contents) {
$return = pack("a100a8a8a8a12a12", $filename, 644, 0, 0, decoct(strlen($contents)), decoct(time()));
@ -421,7 +421,10 @@ function tar_file($filename, $contents) {
$checksum += ord($return[$i]);
}
$return .= sprintf("%06o", $checksum) . "\0 ";
return $return . str_repeat("\0", 512 - strlen($return)) . $contents . str_repeat("\0", 511 - (strlen($contents) + 511) % 512);
echo $return;
echo str_repeat("\0", 512 - strlen($return));
echo $contents;
echo str_repeat("\0", 511 - (strlen($contents) + 511) % 512);
}
/** Get INI bytes value

2
todo.txt
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@ -4,7 +4,7 @@ Variables editation
Blob download and image display in edit form (important for Editor with hidden fields in select and SQL command)
Add title to Logout, edit (in select) and select (in menu) for style "hever"
Export by GET parameters
Files are missing in TAR
Files are missing in TAR due to exhausted memory - can be fixed by creating a temporary file
Draggable columns in alter table (thanks to Michal Manak)
<option class> for system databases and schemas - information_schema and driver-specific (thanks to Vaclav Novotny)
Define foreign keys name - http://forum.zdrojak.root.cz/index.php?topic=185.msg1255#msg1255