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- DB backup system handles MS SQL - A few bug fixes to the backup system ;) git-svn-id: file:///svn/phpbb/trunk@5793 89ea8834-ac86-4346-8a33-228a782c2dd0
1202 lines
30 KiB
PHP
1202 lines
30 KiB
PHP
<?php
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/**
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*
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* @package acp
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* @version $Id$
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* @copyright (c) 2005 phpBB Group
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*
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*/
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/**
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* @package acp
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*/
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class acp_database
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{
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var $u_action;
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function main($id, $mode)
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{
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global $db, $user, $auth, $template, $table_prefix;
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global $config, $SID, $phpbb_root_path, $phpbb_admin_path, $phpEx;
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$user->add_lang('acp/database');
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$this->tpl_name = 'acp_database';
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$this->page_title = 'ACP_DATABASE';
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$action = request_var('action', '');
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$submit = (isset($_POST['submit'])) ? true : false;
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$template->assign_vars(array(
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'MODE' => $mode
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));
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switch ($mode)
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{
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case 'backup':
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switch ($action)
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{
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case 'download':
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$type = request_var('type', '');
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$table = request_var('table', array(''));
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$format = request_var('method', '');
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$where = request_var('where', '');
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$store = $download = false;
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if ($where == 'store_and_download' || $where == 'store')
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{
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$store = true;
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}
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if ($where == 'store_and_download' || $where == 'download')
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{
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$download = true;
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}
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@set_time_limit(1200);
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$filename = time();
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// We set up the info needed for our on-the-fly creation :D
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switch ($format)
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{
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case 'text':
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$ext = '.sql';
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$open = 'fopen';
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$write = 'fwrite';
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$close = 'fclose';
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$oper = '';
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$mimetype = 'text/x-sql';
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break;
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case 'bzip2':
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$ext = '.sql.bz2';
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$open = 'bzopen';
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$write = 'bzwrite';
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$close = 'bzclose';
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$oper = 'bzcompress';
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$mimetype = 'application/x-bzip2';
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break;
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case 'gzip':
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$ext = '.sql.gz';
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$open = 'gzopen';
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$write = 'gzwrite';
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$close = 'gzclose';
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$oper = 'gzencode';
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$mimetype = 'application/x-gzip';
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break;
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}
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// We write the file to "store" first (and then compress the file) to not use too much
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// memory. The server process can be easily killed by storing too much data at once.
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if ($store == true)
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{
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$file = $phpbb_root_path . 'store/' . $filename . $ext;
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$fp = $open($file, 'w');
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if (!$fp)
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{
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trigger_error('Unable to write temporary file to storage folder');
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}
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}
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if ($download == true)
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{
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$name = $filename . $ext;
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header('Pragma: no-cache');
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header("Content-Type: $mimetype; name=\"$name\"");
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header("Content-disposition: attachment; filename=$name");
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}
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// All of the generated queries go here
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$sql_data = '';
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$sql_data .= "#\n";
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$sql_data .= "# phpBB Backup Script\n";
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$sql_data .= "# Dump of tables for $table_prefix\n";
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$sql_data .= "# DATE : " . gmdate("d-m-Y H:i:s", $filename) . " GMT\n";
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$sql_data .= "#\n";
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switch (SQL_LAYER)
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{
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case 'sqlite':
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$sql_data .= "BEGIN TRANSACTION;\n";
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break;
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case 'postgres':
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$sql_data .= "BEGIN;\n";
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case 'mssql':
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case 'mssql_odbc':
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$sql_data .= "BEGIN TRANSACTION\nGO\n";
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break;
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}
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foreach ($table as $table_name)
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{
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// Get the table structure
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if ($type == 'full' || $type == 'structure')
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{
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switch (SQL_LAYER)
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{
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case 'mysqli':
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case 'mysql4':
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case 'mysql':
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case 'sqlite';
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$sql_data .= '# Table: ' . $table_name . "\n";
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$sql_data .= "DROP TABLE IF EXISTS $table_name;\n";
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break;
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case 'postgres':
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case 'mssql':
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$sql_data .= '# Table: ' . $table_name . "\n";
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$sql_data .= "DROP TABLE $table_name;\nGO\n";
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break;
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default:
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trigger_error('KungFuDeathGrip');
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break;
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}
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$sql_data .= $this->get_table_structure($table_name);
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}
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// Now write the data for the first time. :)
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if ($store == true)
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{
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$write($fp, $sql_data);
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}
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if ($download == true)
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{
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if (!empty($oper))
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{
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echo $oper($sql_data);
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}
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else
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{
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echo $sql_data;
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}
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}
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$sql_data = '';
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// Data
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if ($type == 'full' || $type == 'data')
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{
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$sql_data .= "\n";
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switch (SQL_LAYER)
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{
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case 'mysqli':
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$sql = "SELECT * FROM $table_name";
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$result = mysqli_query($db->db_connect_id, $sql, MYSQLI_USE_RESULT);
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if ($result != false)
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{
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$fields_cnt = mysqli_num_fields($result);
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// Get field information
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$field = mysqli_fetch_fields($result);
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$field_set = array();
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for ($j = 0; $j < $fields_cnt; $j++)
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{
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$field_set[$j] = $field[$j]->name;
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}
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$search = array('\\', "'", "\x00", "\x0a", "\x0d", "\x1a");
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$replace = array('\\\\\\\\', "''", '\0', '\n', '\r', '\Z');
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$fields = implode(', ', $field_set);
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$values = array();
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$schema_insert = 'INSERT INTO ' . $table_name . ' (' . $fields . ') VALUES (';
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while ($row = $db->sql_fetchrow($result))
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{
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for ($j = 0; $j < $fields_cnt; $j++)
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{
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if (!isset($row[$j]) || is_null($row[$j]))
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{
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$values[] = 'NULL';
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}
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else if (($field[$j]->flags & 32768) && !($field[$j]->flags & 1024))
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{
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$values[] = $row[$j];
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}
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else
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{
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$values[] = "'" . str_replace($search, $replace, $row[$j]) . "'";
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}
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}
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$sql_data .= $schema_insert . implode(', ', $values) . ");\n";
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if ($store == true)
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{
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$write($fp, $sql_data);
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}
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if ($download == true)
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{
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if (!empty($oper))
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{
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echo $oper($sql_data);
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}
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else
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{
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echo $sql_data;
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}
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}
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$sql_data = '';
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$values = array();
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}
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mysqli_free_result($result);
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}
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break;
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case 'mysql4':
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case 'mysql':
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$sql = "SELECT * FROM $table_name";
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$result = mysql_unbuffered_query($sql, $db->db_connect_id);
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if ($result != false)
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{
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$fields_cnt = mysql_num_fields($result);
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// Get field information
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$field = array();
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for ($i = 0; $i < $fields_cnt; $i++)
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{
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$field[] = mysql_fetch_field($result, $i);
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}
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$field_set = array();
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for ($j = 0; $j < $fields_cnt; $j++)
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{
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$field_set[$j] = $field[$j]->name;
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}
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$search = array('\\', "'", "\x00", "\x0a", "\x0d", "\x1a");
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$replace = array('\\\\\\\\', "''", '\0', '\n', '\r', '\Z');
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$fields = implode(', ', $field_set);
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$schema_insert = 'INSERT INTO ' . $table_name . ' (' . $fields . ') VALUES (';
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while ($row = $db->sql_fetchrow($result))
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{
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$values = array();
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for ($j = 0; $j < $fields_cnt; $j++)
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{
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if (!isset($row[$j]) || is_null($row[$j]))
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{
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$values[] = 'NULL';
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}
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else if ($field[$j]->numeric && ($field[$j]->type !== 'timestamp'))
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{
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$values[] = $row[$j];
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}
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else
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{
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$values[] = "'" . str_replace($search, $replace, $row[$j]) . "'";
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}
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}
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$sql_data .= $schema_insert . implode(', ', $values) . ");\n";
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if ($store == true)
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{
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$write($fp, $sql_data);
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}
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if ($download == true)
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{
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if (!empty($oper))
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{
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echo $oper($sql_data);
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}
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else
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{
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echo $sql_data;
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}
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}
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$sql_data = '';
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}
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mysql_free_result($result);
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}
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break;
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case 'sqlite':
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$col_types = sqlite_fetch_column_types($table_name, $db->db_connect_id);
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$sql = "SELECT * FROM $table_name";
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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$names = $data = array();
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foreach ($row as $row_name => $row_data)
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{
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$names[] = $row_name;
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// Figure out what this data is, escape it properly
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if (is_null($row_data))
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{
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$row_data = 'NULL';
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}
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else if ($row_data == '')
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{
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$row_data = "''";
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}
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else if (strpos($col_types[$row_name], 'text') !== false || strpos($col_types[$row_name], 'char') !== false)
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{
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$row_data = "'" . $row_data . "'";
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}
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$data[] = $row_data;
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}
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$sql_data .= 'INSERT INTO ' . $table_name . ' (' . implode(', ', $names) . ') VALUES ('. implode(', ', $data) .");\n";
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if ($store == true)
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{
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$write($fp, $sql_data);
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}
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if ($download == true)
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{
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if (!empty($oper))
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{
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echo $oper($sql_data);
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}
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else
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{
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echo $sql_data;
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}
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}
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$sql_data = '';
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}
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$db->sql_freeresult($result);
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break;
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case 'postgres':
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$aryType = $aryName = array();
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// Grab all of the data from current table.
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$sql = "SELECT * FROM {$table_name}";
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$result = $db->sql_query($sql);
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$i_num_fields = pg_num_fields($result);
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for ($i = 0; $i < $i_num_fields; $i++)
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{
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$aryType[] = pg_field_type($result, $i);
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$aryName[] = pg_field_name($result, $i);
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}
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while ($row = $db->sql_fetchrow($result))
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{
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$schema_vals = $schema_fields = array();
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// Build the SQL statement to recreate the data.
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for ($i = 0; $i < $i_num_fields; $i++)
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{
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$strVal = $row[$aryName[$i]];
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if (preg_match('#char|text|bool#i', $aryType[$i]))
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{
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$strQuote = "'";
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$strEmpty = '';
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$strVal = addslashes($strVal);
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}
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else if (preg_match('#date|timestamp#i', $aryType[$i]))
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{
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if (empty($strVal))
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{
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$strQuote = '';
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}
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else
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{
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$strQuote = "'";
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}
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}
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else
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{
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$strQuote = '';
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$strEmpty = 'NULL';
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}
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if (empty($strVal) && $strVal !== '0')
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{
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$strVal = $strEmpty;
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}
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$schema_vals[] = $strQuote . $strVal . $strQuote;
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$schema_fields[] = $aryName[$i];
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}
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// Take the ordered fields and their associated data and build it
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// into a valid sql statement to recreate that field in the data.
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$sql_data .= "INSERT INTO $table_name (" . implode(', ', $schema_fields) . ') VALUES(' . implode(', ', $schema_vals) . ");\n";
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if ($store == true)
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{
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$write($fp, $sql_data);
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}
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if ($download == true)
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{
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if (!empty($oper))
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{
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echo $oper($sql_data);
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}
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else
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{
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echo $sql_data;
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}
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}
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$sql_data = '';
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}
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$db->sql_freeresult($result);
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break;
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case 'mssql':
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case 'mssql_odbc':
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$aryType = $aryName = array();
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// Grab all of the data from current table.
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$sql = "SELECT * FROM {$table_name}";
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$result = $db->sql_query($sql);
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$retrieved_data = $db->sql_numrows($result);
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if ($retrieved_data)
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{
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$sql_data .= "\nSET IDENTITY_INSERT $table_name ON\n";
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}
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$i_num_fields = mssql_num_fields($result);
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for ($i = 0; $i < $i_num_fields; $i++)
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{
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$aryType[] = mssql_field_type($result, $i);
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$aryName[] = mssql_field_name($result, $i);
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}
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while ($row = $db->sql_fetchrow($result))
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{
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$schema_vals = $schema_fields = array();
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// Build the SQL statement to recreate the data.
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for ($i = 0; $i < $i_num_fields; $i++)
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{
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$strVal = $row[$aryName[$i]];
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|
|
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if (preg_match('#char|text|bool#i', $aryType[$i]))
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{
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$strQuote = "'";
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$strEmpty = '';
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$strVal = addslashes($strVal);
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}
|
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else if (preg_match('#date|timestamp#i', $aryType[$i]))
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{
|
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if (empty($strVal))
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{
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$strQuote = '';
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}
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else
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{
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$strQuote = "'";
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}
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}
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else
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{
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$strQuote = '';
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$strEmpty = 'NULL';
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}
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|
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if (empty($strVal) && $strVal !== '0')
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{
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$strVal = $strEmpty;
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}
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$schema_vals[] = $strQuote . $strVal . $strQuote;
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$schema_fields[] = $aryName[$i];
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}
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|
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// Take the ordered fields and their associated data and build it
|
|
// into a valid sql statement to recreate that field in the data.
|
|
$sql_data .= "INSERT INTO $table_name (" . implode(', ', $schema_fields) . ') VALUES(' . implode(', ', $schema_vals) . ");\n";
|
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|
|
if ($store == true)
|
|
{
|
|
$write($fp, $sql_data);
|
|
}
|
|
|
|
if ($download == true)
|
|
{
|
|
if (!empty($oper))
|
|
{
|
|
echo $oper($sql_data);
|
|
}
|
|
else
|
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{
|
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echo $sql_data;
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}
|
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}
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|
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$sql_data = '';
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}
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|
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if ($retrieved_data)
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{
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$sql_data .= "\nSET IDENTITY_INSERT $table_name OFF\n";
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}
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$db->sql_freeresult($result);
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break;
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|
|
default:
|
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trigger_error('KungFuDeathGrip');
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}
|
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}
|
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}
|
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|
|
switch (SQL_LAYER)
|
|
{
|
|
case 'sqlite':
|
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case 'postgres':
|
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$sql_data .= "COMMIT;";
|
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break;
|
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|
|
case 'mssql':
|
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case 'mssql_odbc':
|
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$sql_data .= "COMMIT\nGO";
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break;
|
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}
|
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|
|
if ($store == true)
|
|
{
|
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$write($fp, $sql_data);
|
|
$close($fp);
|
|
}
|
|
|
|
if ($download == true)
|
|
{
|
|
if (!empty($oper))
|
|
{
|
|
echo $oper($sql_data);
|
|
}
|
|
else
|
|
{
|
|
echo $sql_data;
|
|
}
|
|
exit;
|
|
}
|
|
|
|
unset($sql_data);
|
|
|
|
add_log('admin', 'LOG_DB_BACKUP');
|
|
trigger_error($user->lang['BACKUP_SUCCESS']);
|
|
break;
|
|
|
|
default:
|
|
$tables = array();
|
|
switch (SQL_LAYER)
|
|
{
|
|
case 'sqlite':
|
|
$sql = "SELECT name FROM sqlite_master WHERE type='table' ORDER BY name";
|
|
$result = $db->sql_query($sql);
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
if (strpos($row['name'] . '_', $table_prefix) === 0)
|
|
{
|
|
$tables[] = $row['name'];
|
|
}
|
|
}
|
|
$db->sql_freeresult($result);
|
|
break;
|
|
|
|
case 'mysqli':
|
|
case 'mysql4':
|
|
case 'mysql':
|
|
$sql = "SHOW TABLES LIKE '{$table_prefix}%'";
|
|
$result = $db->sql_query($sql);
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
$tables[] = current($row);
|
|
}
|
|
$db->sql_freeresult($result);
|
|
break;
|
|
|
|
case 'postgres':
|
|
$sql = "SELECT relname FROM pg_stat_user_tables ORDER BY relname;";
|
|
$result = $db->sql_query($sql);
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
if (strpos($row['relname'] . '_', $table_prefix) === 0)
|
|
{
|
|
$tables[] = $row['relname'];
|
|
}
|
|
}
|
|
$db->sql_freeresult($result);
|
|
break;
|
|
|
|
case 'mssql':
|
|
case 'mssql_odbc':
|
|
$sql = "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' ORDER BY TABLE_NAME";
|
|
$result = $db->sql_query($sql);
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
if (strpos($row['TABLE_NAME'] . '_', $table_prefix) === 0)
|
|
{
|
|
$tables[] = $row['TABLE_NAME'];
|
|
}
|
|
}
|
|
$db->sql_freeresult($result);
|
|
break;
|
|
|
|
default:
|
|
trigger_error('KungFuDeathGrip');
|
|
}
|
|
|
|
foreach ($tables as $table)
|
|
{
|
|
$template->assign_block_vars('tables', array(
|
|
'TABLE' => $table
|
|
));
|
|
}
|
|
|
|
$template->assign_vars(array(
|
|
'U_ACTION' => $this->u_action . '&action=download'
|
|
));
|
|
|
|
$methods = array('text');
|
|
$available_methods = array('gzip' => 'zlib', 'bzip2' => 'bz2');
|
|
|
|
foreach ($available_methods as $type => $module)
|
|
{
|
|
if (!@extension_loaded($module))
|
|
{
|
|
continue;
|
|
}
|
|
$methods[] = $type;
|
|
}
|
|
|
|
foreach ($methods as $type)
|
|
{
|
|
$template->assign_block_vars('methods', array(
|
|
'TYPE' => $type
|
|
));
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 'restore':
|
|
switch ($action)
|
|
{
|
|
case 'submit':
|
|
$delete = request_var('delete', '');
|
|
|
|
if ($delete)
|
|
{
|
|
$file = request_var('file', '');
|
|
unlink($phpbb_root_path . 'store/' . $file);
|
|
trigger_error($user->lang['BACKUP_SUCCESS']);
|
|
}
|
|
|
|
$file = request_var('file', '');
|
|
$data = '';
|
|
|
|
preg_match('#^(\d{10})\.(sql(?:\.(?:gz|bz2))?)$#', $file, $matches);
|
|
|
|
switch ($matches[2])
|
|
{
|
|
case 'sql':
|
|
$data = file_get_contents($phpbb_root_path . 'store/' . $matches[0]);
|
|
break;
|
|
case 'sql.bz2':
|
|
$data = bzdecompress(file_get_contents($phpbb_root_path . 'store/' . $matches[0]));
|
|
break;
|
|
case 'sql.gz':
|
|
$data = implode(gzfile($phpbb_root_path . 'store/' . $matches[0]));
|
|
break;
|
|
}
|
|
|
|
$download = request_var('download', '');
|
|
|
|
if ($download)
|
|
{
|
|
$name = $matches[0];
|
|
|
|
switch ($matches[2])
|
|
{
|
|
case 'sql':
|
|
$mimetype = 'text/x-sql';
|
|
break;
|
|
case 'sql.bz2':
|
|
$mimetype = 'application/x-bzip2';
|
|
break;
|
|
case 'sql.gz':
|
|
$mimetype = 'application/x-gzip';
|
|
break;
|
|
}
|
|
|
|
header('Pragma: no-cache');
|
|
header("Content-Type: $mimetype; name=\"$name\"");
|
|
header("Content-disposition: attachment; filename=$name");
|
|
echo $data;
|
|
die;
|
|
}
|
|
|
|
if (!empty($data))
|
|
{
|
|
// Strip out sql comments...
|
|
remove_remarks($data);
|
|
$pieces = split_sql_file($data, ';');
|
|
|
|
$sql_count = count($pieces);
|
|
for($i = 0; $i < $sql_count; $i++)
|
|
{
|
|
$sql = trim($pieces[$i]);
|
|
|
|
if (!empty($sql) && $sql[0] != '#')
|
|
{
|
|
$db->sql_query($sql);
|
|
}
|
|
}
|
|
}
|
|
add_log('admin', 'LOG_DB_RESTORE');
|
|
trigger_error($user->lang['RESTORE_SUCCESS']);
|
|
break;
|
|
|
|
default:
|
|
$selected = $stop = false;
|
|
$methods = array('sql');
|
|
$available_methods = array('sql.gz' => 'zlib', 'sql.bz2' => 'bz2');
|
|
|
|
foreach ($available_methods as $type => $module)
|
|
{
|
|
if (!@extension_loaded($module))
|
|
{
|
|
continue;
|
|
}
|
|
$methods[] = $type;
|
|
}
|
|
|
|
$dir = $phpbb_root_path . 'store/';
|
|
$dh = opendir($dir);
|
|
while (($file = readdir($dh)) !== false)
|
|
{
|
|
if (preg_match('#^(\d{10})\.(sql(?:\.(?:gz|bz2))?)$#', $file, $matches))
|
|
{
|
|
$supported = in_array($matches[2], $methods);
|
|
|
|
if ($supported == 'true')
|
|
{
|
|
$template->assign_block_vars('files', array(
|
|
'FILE' => $file,
|
|
'NAME' => gmdate("d-m-Y H:i:s", $matches[1]),
|
|
'SUPPORTED' => $supported
|
|
));
|
|
}
|
|
}
|
|
}
|
|
closedir($dh);
|
|
|
|
$template->assign_vars(array(
|
|
'U_ACTION' => $this->u_action . '&action=submit'
|
|
));
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return table structure
|
|
*/
|
|
function get_table_structure($table_name)
|
|
{
|
|
global $db;
|
|
|
|
$sql_data = '';
|
|
|
|
switch (SQL_LAYER)
|
|
{
|
|
case 'mysqli':
|
|
case 'mysql4':
|
|
case 'mysql':
|
|
|
|
$sql_data .= "CREATE TABLE $table_name(\n";
|
|
$rows = array();
|
|
|
|
$result = $db->sql_query("SHOW FIELDS FROM $table_name");
|
|
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
$line = ' ' . $row['Field'] . ' ' . $row['Type'];
|
|
|
|
if (!is_null($row['Default']))
|
|
{
|
|
$line .= " DEFAULT '{$row['Default']}'";
|
|
}
|
|
|
|
if ($row['Null'] != 'YES')
|
|
{
|
|
$line .= ' NOT NULL';
|
|
}
|
|
|
|
if ($row['Extra'] != '')
|
|
{
|
|
$line .= ' ' . $row['Extra'];
|
|
}
|
|
|
|
$rows[] = $line;
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
$result = $db->sql_query("SHOW KEYS FROM $table_name");
|
|
|
|
$index = array();
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
$kname = $row['Key_name'];
|
|
|
|
if ($kname != 'PRIMARY' && $row['Non_unique'] == 0)
|
|
{
|
|
$kname = "UNIQUE|$kname";
|
|
}
|
|
|
|
$index[$kname][] = $row['Column_name'];
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
foreach ($index as $key => $columns)
|
|
{
|
|
$line = ' ';
|
|
|
|
if ($key == 'PRIMARY')
|
|
{
|
|
$line .= 'PRIMARY KEY (' . implode(', ', $columns) . ')';
|
|
}
|
|
else if (strpos($key, 'UNIQUE') === 0)
|
|
{
|
|
$line .= 'UNIQUE ' . substr($key, 7) . ' (' . implode(', ', $columns) . ')';
|
|
}
|
|
else
|
|
{
|
|
$line .= "KEY $key (" . implode(', ', $columns) . ')';
|
|
}
|
|
|
|
$rows[] = $line;
|
|
}
|
|
|
|
$sql_data .= implode(",\n", $rows);
|
|
$sql_data .= "\n);\n\n";
|
|
|
|
break;
|
|
|
|
case 'sqlite':
|
|
|
|
$sql = "SELECT sql
|
|
FROM sqlite_master
|
|
WHERE type = 'table'
|
|
AND name = '" . $db->sql_escape($table_name) . "'
|
|
ORDER BY type DESC, name;";
|
|
$result = $db->sql_query($sql);
|
|
$row = $db->sql_fetchrow($result);
|
|
$db->sql_freeresult($result);
|
|
|
|
// Create Table
|
|
$sql_data .= $row['sql'] . "\n";
|
|
|
|
$result = $db->sql_query("PRAGMA index_list('" . $db->sql_escape($table_name) . "');");
|
|
|
|
$ar = array();
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
$ar[] = $row;
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
foreach ($ar as $value)
|
|
{
|
|
if (strpos($value['name'], 'autoindex') !== false)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
$result = $db->sql_query("PRAGMA index_info('" . $db->sql_escape($value['name']) . "');");
|
|
|
|
$fields = array();
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
$fields[] = $row['name'];
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
$sql_data .= 'CREATE ' . ($value['unique'] ? 'UNIQUE ' : '') . 'INDEX ' . $value['name'] . ' on ' . $table_name . ' (' . implode(', ', $fields) . ");\n";
|
|
}
|
|
|
|
$sql_data .= "\n";
|
|
break;
|
|
|
|
case 'postgres':
|
|
|
|
$field_query = "SELECT a.attnum, a.attname AS field, t.typname as type, a.attlen AS length, a.atttypmod as lengthvar, a.attnotnull as notnull
|
|
FROM pg_class c, pg_attribute a, pg_type t
|
|
WHERE c.relname = '" . $db->sql_escape($table_name) . "'
|
|
AND a.attnum > 0
|
|
AND a.attrelid = c.oid
|
|
AND a.atttypid = t.oid
|
|
ORDER BY a.attnum";
|
|
$result = $db->sql_query($field_query);
|
|
|
|
$sql_data .= "CREATE TABLE $table_name(\n";
|
|
$lines = array();
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
// Get the data from the table
|
|
$sql_get_default = "SELECT d.adsrc AS rowdefault
|
|
FROM pg_attrdef d, pg_class c
|
|
WHERE (c.relname = '" . $db->sql_escape($table_name) . "')
|
|
AND (c.oid = d.adrelid)
|
|
AND d.adnum = " . $row['attnum'];
|
|
$def_res = $db->sql_query($sql_get_default);
|
|
|
|
if (!$def_res)
|
|
{
|
|
unset($row['rowdefault']);
|
|
}
|
|
else
|
|
{
|
|
$row['rowdefault'] = $db->sql_fetchfield('rowdefault', 0, $def_res);
|
|
}
|
|
$db->sql_freeresult($def_res);
|
|
|
|
if ($row['type'] == 'bpchar')
|
|
{
|
|
// Internally stored as bpchar, but isn't accepted in a CREATE TABLE statement.
|
|
$row['type'] = 'char';
|
|
}
|
|
|
|
$line = ' ' . $row['field'] . ' ' . $row['type'];
|
|
|
|
if (strpos($row['type'], 'char') !== false)
|
|
{
|
|
if ($row['lengthvar'] > 0)
|
|
{
|
|
$line .= '(' . ($row['lengthvar'] - 4) . ')';
|
|
}
|
|
}
|
|
|
|
if (strpos($row['type'], 'numeric') !== false)
|
|
{
|
|
$line .= '(';
|
|
$line .= sprintf("%s,%s", (($row['lengthvar'] >> 16) & 0xffff), (($row['lengthvar'] - 4) & 0xffff));
|
|
$line .= ')';
|
|
}
|
|
|
|
if (!empty($row['rowdefault']))
|
|
{
|
|
$line .= ' DEFAULT ' . $row['rowdefault'];
|
|
}
|
|
|
|
if ($row['notnull'] == 't')
|
|
{
|
|
$line .= ' NOT NULL';
|
|
}
|
|
|
|
$lines[] = $line;
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
|
|
// Get the listing of primary keys.
|
|
$sql_pri_keys = "SELECT ic.relname AS index_name, bc.relname AS tab_name, ta.attname AS column_name, i.indisunique AS unique_key, i.indisprimary AS primary_key
|
|
FROM pg_class bc, pg_class ic, pg_index i, pg_attribute ta, pg_attribute ia
|
|
WHERE (bc.oid = i.indrelid)
|
|
AND (ic.oid = i.indexrelid)
|
|
AND (ia.attrelid = i.indexrelid)
|
|
AND (ta.attrelid = bc.oid)
|
|
AND (bc.relname = '" . $db->sql_escape($table_name) . "')
|
|
AND (ta.attrelid = i.indrelid)
|
|
AND (ta.attnum = i.indkey[ia.attnum-1])
|
|
ORDER BY index_name, tab_name, column_name ";
|
|
$result = $db->sql_query($sql_pri_keys);
|
|
|
|
$index_create = $index_rows = $primary_key = array();
|
|
|
|
// We do this in two steps. It makes placing the comma easier
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
if ($row['primary_key'] == 't')
|
|
{
|
|
$primary_key[] = $row['column_name'];
|
|
$primary_key_name = $row['index_name'];
|
|
}
|
|
else
|
|
{
|
|
// We have to store this all this info because it is possible to have a multi-column key...
|
|
// we can loop through it again and build the statement
|
|
$index_rows[$row['index_name']]['table'] = $table_name;
|
|
$index_rows[$row['index_name']]['unique'] = ($row['unique_key'] == 't') ? true : false;
|
|
$index_rows[$row['index_name']]['column_names'][] = $row['column_name'];
|
|
}
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
if (!empty($index_rows))
|
|
{
|
|
foreach ($index_rows as $idx_name => $props)
|
|
{
|
|
$index_create[] = 'CREATE ' . ($props['unique'] ? 'UNIQUE ' : '') . "INDEX $idx_name ON $table_name (" . implode(', ', $props['column_names']) . ");";
|
|
}
|
|
}
|
|
|
|
if (!empty($primary_key))
|
|
{
|
|
$lines[] = " CONSTRAINT $primary_key_name PRIMARY KEY (" . implode(', ', $primary_key) . ")";
|
|
}
|
|
|
|
// Generate constraint clauses for CHECK constraints
|
|
$sql_checks = "SELECT conname as index_name, consrc
|
|
FROM pg_constraint, pg_class bc
|
|
WHERE conrelid = bc.oid
|
|
AND bc.relname = '" . $db->sql_escape($table_name) . "'
|
|
AND NOT EXISTS (
|
|
SELECT *
|
|
FROM pg_constraint as c, pg_inherits as i
|
|
WHERE i.inhrelid = pg_constraint.conrelid
|
|
AND c.conname = pg_constraint.conname
|
|
AND c.consrc = pg_constraint.consrc
|
|
AND c.conrelid = i.inhparent
|
|
)";
|
|
$result = $db->sql_query($sql_checks);
|
|
|
|
// Add the constraints to the sql file.
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
if (!is_null($row['consrc']))
|
|
{
|
|
$lines[] = ' CONSTRAINT ' . $row['index_name'] . ' CHECK ' . $row['consrc'];
|
|
}
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
$sql_data .= implode(", \n", $lines);
|
|
$sql_data .= "\n);\n";
|
|
|
|
if (!empty($index_create))
|
|
{
|
|
$sql_data .= implode("\n", $index_create) . "\n\n";
|
|
}
|
|
break;
|
|
|
|
case 'mssql':
|
|
case 'mssql_odbc':
|
|
$sql_data .= "\nCREATE TABLE [$table_name] (\n";
|
|
$rows = array();
|
|
|
|
$text_flag = false;
|
|
|
|
$sql = "SELECT COLUMN_NAME, COLUMN_DEFAULT, IS_NULLABLE, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, COLUMNPROPERTY(object_id(TABLE_NAME), COLUMN_NAME, 'IsIdentity') as IS_IDENTITY FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '$table_name'";
|
|
$result = $db->sql_query($sql);
|
|
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
$line = "\t[{$row['COLUMN_NAME']}] [{$row['DATA_TYPE']}]";
|
|
|
|
if ($row['DATA_TYPE'] == 'text')
|
|
{
|
|
$text_flag = true;
|
|
}
|
|
|
|
if ($row['IS_IDENTITY'])
|
|
{
|
|
$line .= ' IDENTITY (1 , 1)';
|
|
}
|
|
|
|
if ($row['CHARACTER_MAXIMUM_LENGTH'] && $row['DATA_TYPE'] !== 'text')
|
|
{
|
|
$line .= ' (' . $row['CHARACTER_MAXIMUM_LENGTH'] . ')';
|
|
}
|
|
|
|
if ($row['IS_NULLABLE'] == 'YES')
|
|
{
|
|
$line .= ' NULL';
|
|
}
|
|
else
|
|
{
|
|
$line .= ' NOT NULL';
|
|
}
|
|
|
|
if ($row['COLUMN_DEFAULT'])
|
|
{
|
|
$line .= ' CONSTRAINT [DF_' . $table_name . '_' . $row['COLUMN_NAME'] . '] DEFAULT ' . $row['COLUMN_DEFAULT'];
|
|
}
|
|
|
|
$rows[] = $line;
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
$sql_data .= implode(",\n", $rows);
|
|
$sql_data .= "\n) ON [PRIMARY]";
|
|
if ($text_flag)
|
|
{
|
|
$sql_data .= " TEXTIMAGE_ON [PRIMARY]";
|
|
}
|
|
$sql_data .= "\nGO\n\n";
|
|
$rows = array();
|
|
$line = '';
|
|
|
|
$sql = "SELECT CONSTRAINT_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_NAME = '$table_name'";
|
|
$result = $db->sql_query($sql);
|
|
if ($db->sql_numrows($result))
|
|
{
|
|
$sql_data .= "ALTER TABLE [$table_name] WITH NOCHECK ADD\n";
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
if (!sizeof($rows))
|
|
{
|
|
$sql_data .= "\tCONSTRAINT [{$row['CONSTRAINT_NAME']}] PRIMARY KEY CLUSTERED \n\t(\n";
|
|
}
|
|
$rows[] = "\t\t[{$row['COLUMN_NAME']}]";
|
|
}
|
|
$sql_data .= implode(",\n", $rows);
|
|
$sql_data .= "\n\t) ON [PRIMARY] \nGO\n";
|
|
}
|
|
$db->sql_freeresult($result);
|
|
$rows = array();
|
|
|
|
$sql = "EXEC sp_helpindex '$table_name'";
|
|
$result = $db->sql_query($sql);
|
|
if ($db->sql_numrows($result))
|
|
{
|
|
while ($row = $db->sql_fetchrow($result))
|
|
{
|
|
if ($row['index_description'] == 'nonclustered located on PRIMARY')
|
|
{
|
|
$sql_data .= "\nCREATE INDEX [{$row['index_name']}] ON [$table_name]([{$row['index_keys']}]) ON [PRIMARY]\nGO\n";
|
|
}
|
|
}
|
|
}
|
|
$db->sql_freeresult($result);
|
|
break;
|
|
|
|
default:
|
|
trigger_error('KungFuDeathGrip');
|
|
}
|
|
|
|
return $sql_data;
|
|
}
|
|
}
|
|
|
|
?>
|