Created
August 31, 2017 10:34
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No limit mysql dump import tool (pauses and resumes automatically, great for big sql files)
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| <?php | |
| // source: https://stackoverflow.com/a/25749714 | |
| // by Grain | |
| // your config | |
| $filename = 'yourGigaByteDump.sql'; | |
| $dbHost = 'localhost'; | |
| $dbUser = 'user'; | |
| $dbPass = '__pass__'; | |
| $dbName = 'dbname'; | |
| $maxRuntime = 8; // less then your max script execution limit | |
| $deadline = time()+$maxRuntime; | |
| $progressFilename = $filename.'_filepointer'; // tmp file for progress | |
| $errorFilename = $filename.'_error'; // tmp file for erro | |
| mysql_connect($dbHost, $dbUser, $dbPass) OR die('connecting to host: '.$dbHost.' failed: '.mysql_error()); | |
| mysql_select_db($dbName) OR die('select db: '.$dbName.' failed: '.mysql_error()); | |
| ($fp = fopen($filename, 'r')) OR die('failed to open file:'.$filename); | |
| // check for previous error | |
| if( file_exists($errorFilename) ){ | |
| die('<pre> previous error: '.file_get_contents($errorFilename)); | |
| } | |
| // activate automatic reload in browser | |
| echo '<html><head> <meta http-equiv="refresh" content="'.($maxRuntime+2).'"><pre>'; | |
| // go to previous file position | |
| $filePosition = 0; | |
| if( file_exists($progressFilename) ){ | |
| $filePosition = file_get_contents($progressFilename); | |
| fseek($fp, $filePosition); | |
| } | |
| $queryCount = 0; | |
| $query = ''; | |
| while( $deadline>time() AND ($line=fgets($fp, 1024000)) ){ | |
| if(substr($line,0,2)=='--' OR trim($line)=='' ){ | |
| continue; | |
| } | |
| $query .= $line; | |
| if( substr(trim($query),-1)==';' ){ | |
| if( !mysql_query($query) ){ | |
| $error = 'Error performing query \'<strong>' . $query . '\': ' . mysql_error(); | |
| file_put_contents($errorFilename, $error."\n"); | |
| exit; | |
| } | |
| $query = ''; | |
| file_put_contents($progressFilename, ftell($fp)); // save the current file position for | |
| $queryCount++; | |
| } | |
| } | |
| if( feof($fp) ){ | |
| echo 'dump successfully restored!'; | |
| }else{ | |
| echo ftell($fp).'/'.filesize($filename).' '.(round(ftell($fp)/filesize($filename), 2)*100).'%'."\n"; | |
| echo $queryCount.' queries processed! please reload or wait for automatic browser refresh!'; | |
| } |
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