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<?php
/* $Id: tbl_alter.php,v 2.8 2004/05/20 16:14:08 nijel Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Gets some core libraries
*/
require_once('./libraries/grab_globals.lib.php');
$js_to_run = 'functions.js';
require_once('./header.inc.php');
// Check parameters
PMA_checkParameters(array('db', 'table'));
/**
* Defines the url to return to in case of error in a sql statement
*/
$err_url = 'tbl_properties_structure.php?' . PMA_generate_common_url($db, $table);
/**
* Modifications have been submitted -> updates the table
*/
$abort = false;
if (isset($submit)) {
$field_cnt = count($field_orig);
for ($i = 0; $i < $field_cnt; $i++) {
// to """ in tbl_properties.php
$field_orig[$i] = urldecode($field_orig[$i]);
if (strcmp(str_replace('"', '"', $field_orig[$i]), $field_name[$i]) == 0) {
$field_name[$i] = $field_orig[$i];
}
$field_default_orig[$i] = urldecode($field_default_orig[$i]);
if (strcmp(str_replace('"', '"', $field_default_orig[$i]), $field_default[$i]) == 0) {
$field_default[$i] = $field_default_orig[$i];
}
$field_length_orig[$i] = urldecode($field_length_orig[$i]);
if (strcmp(str_replace('"', '"', $field_length_orig[$i]), $field_length[$i]) == 0) {
$field_length[$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] != ''
&& !preg_match('@^(DATE|DATETIME|TIME|TINYBLOB|TINYTEXT|BLOB|TEXT|MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT)$@i', $field_type[$i])) {
$query .= '(' . $field_length[$i] . ')';
}
if ($field_attribute[$i] != '') {
$query .= ' ' . $field_attribute[$i];
} else if (PMA_MYSQL_INT_VERSION >= 40100 && $field_collation[$i] != '') {
$query .= PMA_generateCharsetQueryPart($field_collation[$i]);
}
if ($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
// To allow replication, we first select the db to use and then run queries
// on this db.
PMA_DBI_select_db($db) or PMA_mysqlDie(PMA_DBI_getError(), 'USE ' . PMA_backquote($db) . ';', '', $err_url);
// Optimization fix - 2 May 2001 - Robbat2
$sql_query = 'ALTER TABLE ' . PMA_backquote($table) . ' CHANGE ' . $query;
$error_create = FALSE;
$result = PMA_DBI_try_query($sql_query) or $error_create = TRUE;
if ($error_create == FALSE) {
$message = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
$btnDrop = 'Fake';
// garvin: If comments were sent, enable relation stuff
require_once('./libraries/relation.lib.php');
require_once('./libraries/transformations.lib.php');
$cfgRelation = PMA_getRelationsParam();
// garvin: Update comment table, if a comment was set.
if (isset($field_comments) && is_array($field_comments) && $cfgRelation['commwork']) {
foreach ($field_comments AS $fieldindex => $fieldcomment) {
PMA_setComment($db, $table, $field_name[$fieldindex], $fieldcomment, $field_orig[$fieldindex]);
}
}
// garvin: Rename relations&display fields, if altered.
if (($cfgRelation['displaywork'] || $cfgRelation['relwork']) && isset($field_orig) && is_array($field_orig)) {
foreach ($field_orig AS $fieldindex => $fieldcontent) {
if ($field_name[$fieldindex] != $fieldcontent) {
if ($cfgRelation['displaywork']) {
$table_query = 'UPDATE ' . PMA_backquote($cfgRelation['table_info'])
. ' SET display_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''
. ' AND display_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
$tb_rs = PMA_query_as_cu($table_query);
unset($table_query);
unset($tb_rs);
}
if ($cfgRelation['relwork']) {
$table_query = 'UPDATE ' . PMA_backquote($cfgRelation['relation'])
. ' SET master_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
. ' WHERE master_db = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
. ' AND master_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
$tb_rs = PMA_query_as_cu($table_query);
unset($table_query);
unset($tb_rs);
$table_query = 'UPDATE ' . PMA_backquote($cfgRelation['relation'])
. ' SET foreign_field = \'' . PMA_sqlAddslashes($field_name[$fieldindex]) . '\''
. ' WHERE foreign_db = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND foreign_table = \'' . PMA_sqlAddslashes($table) . '\''
. ' AND foreign_field = \'' . PMA_sqlAddslashes($fieldcontent) . '\'';
$tb_rs = PMA_query_as_cu($table_query);
unset($table_query);
unset($tb_rs);
} // end if relwork
} // end if fieldname has changed
} // end while check fieldnames
} // end if relations/display has to be changed
// garvin: Update comment table for mime types [MIME]
if (isset($field_mimetype) && is_array($field_mimetype) && $cfgRelation['commwork'] && $cfgRelation['mimework'] && $cfg['BrowseMIME']) {
foreach ($field_mimetype AS $fieldindex => $mimetype) {
PMA_setMIME($db, $table, $field_name[$fieldindex], $mimetype, $field_transformation[$fieldindex], $field_transformation_options[$fieldindex]);
}
}
$active_page = 'tbl_properties_structure.php';
require('./tbl_properties_structure.php');
} else {
PMA_mysqlDie('', '', '', $err_url, FALSE);
// garvin: An error happened while inserting/updating a table definition.
// to prevent total loss of that data, we embed the form once again.
// The variable $regenerate will be used to restore data in tbl_properties.inc.php
if (isset($orig_field)) {
$field = $orig_field;
}
$regenerate = true;
}
}
/**
* No modifications yet required -> displays the table fields
*/
if ($abort == FALSE) {
if (!isset($selected)) {
PMA_checkParameters(array('field'));
$selected[] = $field;
$selected_cnt = 1;
} else { // from a multiple submit
$selected_cnt = count($selected);
}
// TODO: optimize in case of multiple fields to modify
for ($i = 0; $i < $selected_cnt; $i++) {
if (!empty($submit_mult)) {
$field = PMA_sqlAddslashes(urldecode($selected[$i]), TRUE);
} else {
$field = PMA_sqlAddslashes($selected[$i], TRUE);
}
$result = PMA_DBI_query('SHOW FULL FIELDS FROM ' . PMA_backquote($table) . ' FROM ' . PMA_backquote($db) . ' LIKE \'' . $field . '\';');
$fields_meta[] = PMA_DBI_fetch_assoc($result);
PMA_DBI_free_result($result);
}
$num_fields = count($fields_meta);
$action = 'tbl_alter.php';
require('./tbl_properties.inc.php');
}
/**
* Displays the footer
*/
require_once('./footer.inc.php');
?>
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