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tbl_alter.php
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PHP Script
|
2002-01-06
|
4KB
|
131 lines
<?php
/* $Id: tbl_alter.php,v 1.20 2001/11/23 01:03:20 loic1 Exp $ */
/**
* Gets some core libraries
*/
require('./libraries/grab_globals.lib.php');
if (!isset($submit_mult)) {
if (isset($submit)) {
$js_to_run = 'functions.js';
}
include('./header.inc.php');
}
/**
* Defines the url to return to in case of error in a sql statement
*/
$err_url = 'tbl_properties.php'
. '?lang=' . $lang
. '&server=' . $server
. '&db=' . urlencode($db)
. '&table=' . urlencode($table);
/**
* Modifications have been submitted -> updates the table
*/
if (isset($submit)) {
$field_cnt = count($field_orig);
for ($i = 0; $i < $field_cnt; $i++) {
if (get_magic_quotes_gpc()) {
$field_name[$i] = stripslashes($field_name[$i]);
$field_default[$i] = stripslashes($field_default[$i]);
$field_length[$i] = stripslashes($field_length[$i]);
}
if (PMA_MYSQL_INT_VERSION < 32306) {
PMA_checkReservedWords($field_name[$i], $err_url);
}
// Some fields have been urlencoded or double quotes have been translated
// to """ in tbl_properties.php
$field_orig[$i] = urldecode($field_orig[$i]);
if (str_replace('"', '"', $field_orig[$i]) == $field_name[$i]) {
$field_name[$i] = $field_orig[$i];
}
$field_default_orig[$i] = urldecode($field_default_orig[$i]);
if (str_replace('"', '"', $field_default_orig[$i]) == $field_default[$i]) {
$field_default[$i] = $field_default_orig[$i];
}
$field_length_orig[$i] = urldecode($field_length_orig[$i]);
if (str_replace('"', '"', $field_length_orig[$i]) == $field_length[$i]) {
$field_length[$i] = $field_length_orig[$i];
}
if (!isset($query)) {
$query = '';
} else {
$query .= ', CHANGE ';
}
$query .= PMA_backquote($field_orig[$i]) . ' ' . PMA_backquote($field_name[$i]) . ' ' . $field_type[$i];
// Some field types shouldn't have lengths
if ($field_length[$i] != ''
&& !eregi('^(DATE|DATETIME|TIME|TINYBLOB|TINYTEXT|BLOB|TEXT|MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT)$', $field_type[$i])) {
$query .= '(' . $field_length[$i] . ')';
}
if ($field_attribute[$i] != '') {
$query .= ' ' . $field_attribute[$i];
}
if ($field_default[$i] != '') {
if (strtoupper($field_default[$i]) == 'NULL') {
$query .= ' DEFAULT NULL';
} else {
$query .= ' DEFAULT \'' . PMA_sqlAddslashes($field_default[$i]) . '\'';
}
}
if ($field_null[$i] != '') {
$query .= ' ' . $field_null[$i];
}
if ($field_extra[$i] != '') {
$query .= ' ' . $field_extra[$i];
}
} // end for
// Optimization fix - 2 May 2001 - Robbat2
$sql_query = 'ALTER TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table) . ' CHANGE ' . $query;
$result = mysql_query($sql_query) or PMA_mysqlDie('', '', '', $err_url);
$message = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
$btnDrop = 'Fake';
include('./tbl_properties.php');
exit();
}
/**
* No modifications yet required -> displays the table fields
*/
else {
if (!isset($selected)) {
$selected[] = $field;
$selected_cnt = 1;
} else {
$selected_cnt = count($selected);
}
// TODO: optimize in case of multiple fields to modify
for ($i = 0; $i < $selected_cnt; $i++) {
if (get_magic_quotes_gpc()) {
$field = PMA_sqlAddslashes(stripslashes($selected[$i]), TRUE);
} else {
$field = PMA_sqlAddslashes($selected[$i], TRUE);
}
$local_query = 'SHOW FIELDS FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . " LIKE '$field'";
$result = mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url);
$fields_meta[] = mysql_fetch_array($result);
mysql_free_result($result);
}
$num_fields = count($fields_meta);
$action = 'tbl_alter.php';
include('./tbl_properties.inc.php');
}
/**
* Displays the footer
*/
require('./footer.inc.php');
?>