536 lines
20 KiB
PHP
536 lines
20 KiB
PHP
<?php
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/* $Id$ */
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// vim: expandtab sw=4 ts=4 sts=4:
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error_reporting(E_ALL);
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/**
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* Set of functions used to build SQL dumps of tables
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*/
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/**
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* Returns $table's field types
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*
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* @param string the database name
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* @param string the table name
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*
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* @return array the field types; key of array is PMA_backquote
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* of the field name
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*
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* @access public
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*
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* This function exists because mysql_field_type() returns 'blob'
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* even for 'text' fields.
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*/
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function PMA_fieldTypes($db, $table,$use_backquotes) {
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PMA_DBI_select_db($db);
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$table_def = PMA_DBI_query('SHOW FIELDS FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table));
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while($row = PMA_DBI_fetch_assoc($table_def)) {
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$types[PMA_backquote($row['Field'],$use_backquotes)] = ereg_replace('\\(.*', '', $row['Type']);
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}
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return $types;
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}
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/**
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* Outputs comment
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*
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* @param string Text of comment
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*
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* @return bool Whether it suceeded
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*/
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function PMA_exportComment($text) {
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return PMA_exportOutputHandler('# ' . $text . $GLOBALS['crlf']);
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}
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/**
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* Outputs export header
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*
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* @return bool Whether it suceeded
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*
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* @access public
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*/
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function PMA_exportHeader() {
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global $crlf;
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global $cfg;
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$head = '# phpMyAdmin SQL Dump' . $crlf
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. '# version ' . PMA_VERSION . $crlf
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. '# http://www.phpmyadmin.net' . $crlf
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. '#' . $crlf
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. '# ' . $GLOBALS['strHost'] . ': ' . $cfg['Server']['host'];
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if (!empty($cfg['Server']['port'])) {
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$head .= ':' . $cfg['Server']['port'];
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}
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$head .= $crlf
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. '# ' . $GLOBALS['strGenTime'] . ': ' . PMA_localisedDate() . $crlf
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. '# ' . $GLOBALS['strServerVersion'] . ': ' . substr(PMA_MYSQL_INT_VERSION, 0, 1) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 1, 2) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 3) . $crlf
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. '# ' . $GLOBALS['strPHPVersion'] . ': ' . phpversion() . $crlf;
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if (isset($GLOBALS['header_comment']) && !empty($GLOBALS['header_comment'])) {
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$lines = explode('\n', $GLOBALS['header_comment']);
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$head .= '# ' . $crlf
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. '# ' . implode($crlf . '# ', $lines) . $crlf
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. '# ' . $crlf;
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}
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return PMA_exportOutputHandler($head);
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}
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/**
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* Outputs create database database
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*
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* @param string Database name
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*
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* @return bool Whether it suceeded
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*
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* @access public
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*/
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function PMA_exportDBCreate($db) {
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global $crlf;
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if (isset($GLOBALS['drop_database'])) {
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if (!PMA_exportOutputHandler('DROP DATABASE ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : $db) . ';' . $crlf)) return FALSE;
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}
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$create_query = 'CREATE DATABASE ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : $db);
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if (PMA_MYSQL_INT_VERSION >= 40101) {
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$collation = PMA_getDbCollation($db);
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if (strpos($collation, '_')) {
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$create_query .= ' DEFAULT CHARACTER SET ' . substr($collation, 0, strpos($collation, '_')) . ' COLLATE ' . $collation;
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} else {
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$create_query .= ' DEFAULT CHARACTER SET ' . $collation;
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}
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}
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$create_query .= ';' . $crlf;
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if (!PMA_exportOutputHandler($create_query)) return FALSE;
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return PMA_exportOutputHandler('USE ' . $db . ';' . $crlf);
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}
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/**
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* Outputs database header
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*
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* @param string Database name
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*
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* @return bool Whether it suceeded
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*
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* @access public
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*/
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function PMA_exportDBHeader($db) {
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global $crlf;
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$head = '# ' . $crlf
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. '# ' . $GLOBALS['strDatabase'] . ': ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : '\'' . $db . '\''). $crlf
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. '# ' . $crlf;
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return PMA_exportOutputHandler($head);
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}
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/**
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* Outputs database footer
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*
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* @param string Database name
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*
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* @return bool Whether it suceeded
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*
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* @access public
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*/
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function PMA_exportDBFooter($db) {
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if (isset($GLOBALS['sql_constraints'])) return PMA_exportOutputHandler($GLOBALS['sql_constraints']);
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return TRUE;
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}
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/**
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* Returns $table's CREATE definition
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*
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* @param string the database name
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* @param string the table name
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* @param string the end of line sequence
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* @param string the url to go back in case of error
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* @param boolean whether to include creation/update/check dates
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*
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* @return string resulting schema
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*
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* @global boolean whether to add 'drop' statements or not
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* @global boolean whether to use backquotes to allow the use of special
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* characters in database, table and fields names or not
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*
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* @access public
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*/
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function PMA_getTableDef($db, $table, $crlf, $error_url, $show_dates = false)
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{
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global $drop;
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global $use_backquotes;
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global $cfgRelation;
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global $sql_constraints;
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$schema_create = '';
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$auto_increment = '';
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$new_crlf = $crlf;
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$result = PMA_DBI_query('SHOW TABLE STATUS FROM ' . PMA_backquote($db) . ' LIKE \'' . PMA_sqlAddslashes($table) . '\'');
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if ($result != FALSE) {
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if (PMA_DBI_num_rows($result) > 0) {
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$tmpres = PMA_DBI_fetch_assoc($result);
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if (isset($GLOBALS['auto_increment']) && !empty($tmpres['Auto_increment'])) {
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$auto_increment .= ' AUTO_INCREMENT=' . $tmpres['Auto_increment'] . ' ';
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}
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if ($show_dates && isset($tmpres['Create_time']) && !empty($tmpres['Create_time'])) {
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$schema_create .= '# ' . $GLOBALS['strStatCreateTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Create_time'])) . $crlf;
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$new_crlf = '#' . $crlf . $crlf;
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}
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if ($show_dates && isset($tmpres['Update_time']) && !empty($tmpres['Update_time'])) {
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$schema_create .= '# ' . $GLOBALS['strStatUpdateTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Update_time'])) . $crlf;
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$new_crlf = '#' . $crlf . $crlf;
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}
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if ($show_dates && isset($tmpres['Check_time']) && !empty($tmpres['Check_time'])) {
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$schema_create .= '# ' . $GLOBALS['strStatCheckTime'] . ': ' . PMA_localisedDate(strtotime($tmpres['Check_time'])) . $crlf;
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$new_crlf = '#' . $crlf . $crlf;
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}
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PMA_DBI_free_result($result);
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}
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}
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$schema_create .= $new_crlf;
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if (!empty($drop)) {
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$schema_create .= 'DROP TABLE IF EXISTS ' . PMA_backquote($table, $use_backquotes) . ';' . $crlf;
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}
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// Steve Alberty's patch for complete table dump,
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// Whether to quote table and fields names or not
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if ($use_backquotes) {
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PMA_DBI_query('SET SQL_QUOTE_SHOW_CREATE = 1');
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} else {
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PMA_DBI_query('SET SQL_QUOTE_SHOW_CREATE = 0');
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}
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$result = PMA_DBI_query('SHOW CREATE TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table));
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if ($result != FALSE && PMA_DBI_num_rows($result) > 0) {
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$tmpres = PMA_DBI_fetch_row($result);
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// Fix for case problems with winwin, thanks to
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// Pawe<77> Szczepa<70>ski <pauluz at users.sourceforge.net>
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$pos = strpos($tmpres[1], ' (');
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// Fix a problem with older versions of mysql
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// Find the first opening parenthesys, i.e. that after the name
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// of the table
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$pos2 = strpos($tmpres[1], '(');
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// Old mysql did not insert a space after table name
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// in query "show create table ..."!
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if ($pos2 != $pos + 1)
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{
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// This is the real position of the first character after
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// the name of the table
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$pos = $pos2;
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// Old mysql did not even put newlines and indentation...
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$tmpres[1] = str_replace(",", ",\n ", $tmpres[1]);
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}
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$tmpres[1] = substr($tmpres[1], 0, 13)
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. (($use_backquotes) ? PMA_backquote($tmpres[0]) : $tmpres[0])
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. substr($tmpres[1], $pos);
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$tmpres[1] = str_replace("\n", $crlf, $tmpres[1]);
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if (preg_match_all('((,\r?\n[\s]*(CONSTRAINT|FOREIGN[\s]*KEY)[^\r\n,]+)+)', $tmpres[1], $regs)) {
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if (!isset($sql_constraints)) {
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if (isset($GLOBALS['no_constraints_comments'])) {
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$sql_constraints = '';
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} else {
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$sql_constraints = $crlf . '#' . $crlf
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. '# ' . $GLOBALS['strConstraintsForDumped'] . $crlf
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. '#' . $crlf;
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}
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}
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if (!isset($GLOBALS['no_constraints_comments'])) {
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$sql_constraints .= $crlf .'#' . $crlf .'# ' . $GLOBALS['strConstraintsForTable'] . ' ' . PMA_backquote($table) . $crlf . '#' . $crlf;
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}
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$sql_constraints .= 'ALTER TABLE ' . PMA_backquote($table) . $crlf
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. preg_replace('/(,\r?\n|^)([\s]*)(CONSTRAINT|FOREIGN[\s]*KEY)/', '\1\2ADD \3', substr($regs[0][0], 2))
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. ";\n";
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$tmpres[1] = preg_replace('((,\r?\n[\s]*(CONSTRAINT|FOREIGN[\s]*KEY)[^\r\n,]+)+)', '', $tmpres[1]);
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}
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$schema_create .= $tmpres[1];
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}
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$schema_create .= $auto_increment;
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PMA_DBI_free_result($result);
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return $schema_create;
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} // end of the 'PMA_getTableDef()' function
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/**
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* Returns $table's comments, relations etc.
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*
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* @param string the database name
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* @param string the table name
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* @param string the end of line sequence
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* @param boolean whether to include relation comments
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* @param boolean whether to include column comments
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* @param boolean whether to include mime comments
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*
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* @return string resulting comments
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*
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* @access public
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*/
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function PMA_getTableComments($db, $table, $crlf, $do_relation = false, $do_comments = false, $do_mime = false)
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{
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global $cfgRelation;
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global $use_backquotes;
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global $sql_constraints;
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$schema_create = '';
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if ($do_comments && $cfgRelation['commwork']) {
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if (!($comments_map = PMA_getComments($db, $table))) unset($comments_map);
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}
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// Check if we can use Relations (Mike Beck)
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if ($do_relation && !empty($cfgRelation['relation'])) {
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// Find which tables are related with the current one and write it in
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// an array
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$res_rel = PMA_getForeigners($db, $table);
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if ($res_rel && count($res_rel) > 0) {
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$have_rel = TRUE;
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} else {
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$have_rel = FALSE;
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}
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}
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else {
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$have_rel = FALSE;
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} // end if
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if ($do_mime && $cfgRelation['mimework']) {
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if (!($mime_map = PMA_getMIME($db, $table, true))) unset($mime_map);
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}
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if (isset($comments_map) && count($comments_map) > 0) {
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$schema_create .= $crlf . '#' . $crlf . '# COMMENTS FOR TABLE ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf;
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foreach($comments_map AS $comment_field => $comment) {
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$schema_create .= '# ' . PMA_backquote($comment_field, $use_backquotes) . $crlf . '# ' . PMA_backquote($comment, $use_backquotes) . $crlf;
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}
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$schema_create .= '#' . $crlf;
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}
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if (isset($mime_map) && count($mime_map) > 0) {
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$schema_create .= $crlf . '#' . $crlf . '# MIME TYPES FOR TABLE ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf;
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@reset($mime_map);
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foreach($mime_map AS $mime_field => $mime) {
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$schema_create .= '# ' . PMA_backquote($mime_field, $use_backquotes) . $crlf . '# ' . PMA_backquote($mime['mimetype'], $use_backquotes) . $crlf;
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}
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$schema_create .= '#' . $crlf;
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}
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if ($have_rel) {
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$schema_create .= $crlf . '#' . $crlf . '# RELATIONS FOR TABLE ' . PMA_backquote($table, $use_backquotes) . ':' . $crlf;
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foreach($res_rel AS $rel_field => $rel) {
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$schema_create .= '# ' . PMA_backquote($rel_field, $use_backquotes) . $crlf . '# ' . PMA_backquote($rel['foreign_table'], $use_backquotes) . ' -> ' . PMA_backquote($rel['foreign_field'], $use_backquotes) . $crlf;
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}
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$schema_create .= '#' . $crlf;
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}
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return $schema_create;
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} // end of the 'PMA_getTableComments()' function
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/**
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* Outputs table's structure
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*
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* @param string the database name
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* @param string the table name
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* @param string the end of line sequence
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* @param string the url to go back in case of error
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* @param boolean whether to include relation comments
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* @param boolean whether to include column comments
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* @param boolean whether to include mime comments
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*
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* @return bool Whether it suceeded
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*
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* @access public
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*/
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function PMA_exportStructure($db, $table, $crlf, $error_url, $relation = FALSE, $comments = FALSE, $mime = FALSE, $dates = FALSE) {
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$formatted_table_name = (isset($GLOBALS['use_backquotes']))
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? PMA_backquote($table)
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: '\'' . $table . '\'';
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$dump = $crlf
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. '# --------------------------------------------------------' . $crlf
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. $crlf . '#' . $crlf
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. '# ' . $GLOBALS['strTableStructure'] . ' ' . $formatted_table_name . $crlf
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. '#' . $crlf
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. PMA_getTableDef($db, $table, $crlf, $error_url, $dates) . ';' . $crlf
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. PMA_getTableComments($db, $table, $crlf, $relation, $comments, $mime);
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return PMA_exportOutputHandler($dump);
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}
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/**
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* Dispatches between the versions of 'getTableContent' to use depending
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* on the php version
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*
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* @param string the database name
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* @param string the table name
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* @param string the end of line sequence
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* @param string the url to go back in case of error
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* @param string SQL query for obtaining data
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*
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* @return bool Whether it suceeded
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*
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* @global boolean whether to use backquotes to allow the use of special
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* characters in database, table and fields names or not
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* @global integer the number of records
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* @global integer the current record position
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*
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* @access public
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*
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* @see PMA_getTableContentFast(), PMA_getTableContentOld()
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*
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* @author staybyte
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*/
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function PMA_exportData($db, $table, $crlf, $error_url, $sql_query)
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{
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global $use_backquotes;
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global $rows_cnt;
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global $current_row;
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$formatted_table_name = (isset($GLOBALS['use_backquotes']))
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? PMA_backquote($table)
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: '\'' . $table . '\'';
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$head = $crlf
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. '#' . $crlf
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. '# ' . $GLOBALS['strDumpingData'] . ' ' . $formatted_table_name . $crlf
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. '#' . $crlf .$crlf;
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if (!PMA_exportOutputHandler($head)) return FALSE;
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$buffer = '';
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$result = PMA_DBI_query($sql_query);
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if ($result != FALSE) {
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$fields_cnt = PMA_DBI_num_fields($result);
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$rows_cnt = PMA_DBI_num_rows($result);
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// get the real types of the table's fields (in an array)
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// the key of the array is the backquoted field name
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$field_types = PMA_fieldTypes($db,$table,$use_backquotes);
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// analyze the query to get the true column names, not the aliases
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// (this fixes an undefined index, also if Complete inserts
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// are used, we did not get the true column name in case of aliases)
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$analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($sql_query));
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// Checks whether the field is an integer or not
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for ($j = 0; $j < $fields_cnt; $j++) {
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if (isset($analyzed_sql[0]['select_expr'][$j]['column'])) {
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$field_set[$j] = PMA_backquote($analyzed_sql[0]['select_expr'][$j]['column'], $use_backquotes);
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} else {
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$field_set[$j] = PMA_backquote(PMA_mysql_field_name($result, $j), $use_backquotes); //! UNWRAPPED FUNCTION!
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}
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$type = $field_types[$field_set[$j]];
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if ($type == 'tinyint' || $type == 'smallint' || $type == 'mediumint' || $type == 'int' ||
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$type == 'bigint' || (PMA_MYSQL_INT_VERSION < 40100 && $type == 'timestamp')) {
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$field_num[$j] = TRUE;
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} else {
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$field_num[$j] = FALSE;
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}
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// blob
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if ($type == 'blob' || $type == 'mediumblob' || $type == 'longblob' || $type == 'tinyblob') {
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$field_blob[$j] = TRUE;
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} else {
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$field_blob[$j] = FALSE;
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}
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} // end for
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if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'update') {
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// update
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$schema_insert = 'UPDATE ' . PMA_backquote($table, $use_backquotes) . ' SET ';
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$fields_no = count($field_set);
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} else {
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// insert or replace
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if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'replace') {
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||
$sql_command = 'REPLACE';
|
||
} else {
|
||
$sql_command = 'INSERT';
|
||
}
|
||
|
||
// delayed inserts?
|
||
if (isset($GLOBALS['delayed'])) {
|
||
$insert_delayed = ' DELAYED';
|
||
} else {
|
||
$insert_delayed = '';
|
||
}
|
||
|
||
// Sets the scheme
|
||
if (isset($GLOBALS['showcolumns'])) {
|
||
$fields = implode(', ', $field_set);
|
||
$schema_insert = $sql_command . $insert_delayed .' INTO ' . PMA_backquote($table, $use_backquotes)
|
||
. ' (' . $fields . ') VALUES (';
|
||
} else {
|
||
$schema_insert = $sql_command . $insert_delayed .' INTO ' . PMA_backquote($table, $use_backquotes)
|
||
. ' VALUES (';
|
||
}
|
||
}
|
||
|
||
$search = array("\x00", "\x0a", "\x0d", "\x1a"); //\x08\\x09, not required
|
||
$replace = array('\0', '\n', '\r', '\Z');
|
||
$current_row = 0;
|
||
|
||
while ($row = PMA_DBI_fetch_row($result)) {
|
||
$current_row++;
|
||
for ($j = 0; $j < $fields_cnt; $j++) {
|
||
if (!isset($row[$j])) {
|
||
$values[] = 'NULL';
|
||
} else if ($row[$j] == '0' || $row[$j] != '') {
|
||
// a number
|
||
if ($field_num[$j]) {
|
||
$values[] = $row[$j];
|
||
// a not empty blob
|
||
} else if ($field_blob[$j] && !empty($row[$j])) {
|
||
$values[] = '0x' . bin2hex($row[$j]);
|
||
// a string
|
||
} else {
|
||
$values[] = "'" . str_replace($search, $replace, PMA_sqlAddslashes($row[$j])) . "'";
|
||
}
|
||
} else {
|
||
$values[] = "''";
|
||
} // end if
|
||
} // end for
|
||
|
||
// should we make update?
|
||
if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'update') {
|
||
|
||
$insert_line = $schema_insert;
|
||
for ($i = 0; $i < $fields_no; $i++) {
|
||
if ($i > 0) {
|
||
$insert_line .= ', ';
|
||
}
|
||
$insert_line .= $field_set[$i] . ' = ' . $values[$i];
|
||
}
|
||
|
||
} else {
|
||
|
||
// Extended inserts case
|
||
if (isset($GLOBALS['extended_ins'])) {
|
||
if ($current_row == 1) {
|
||
$insert_line = $schema_insert . implode(', ', $values) . ')';
|
||
} else {
|
||
$insert_line = '(' . implode(', ', $values) . ')';
|
||
}
|
||
}
|
||
// Other inserts case
|
||
else {
|
||
$insert_line = $schema_insert . implode(', ', $values) . ')';
|
||
}
|
||
}
|
||
unset($values);
|
||
|
||
if (!PMA_exportOutputHandler($insert_line . ((isset($GLOBALS['extended_ins']) && ($current_row < $rows_cnt)) ? ',' : ';') . $crlf)) return FALSE;
|
||
|
||
} // end while
|
||
} // end if ($result != FALSE)
|
||
PMA_DBI_free_result($result);
|
||
|
||
return TRUE;
|
||
} // end of the 'PMA_exportData()' function
|
||
?>
|