mirror of
https://github.com/YunoHost-Apps/phpmyadmin_ynh.git
synced 2024-09-03 19:56:46 +02:00
406 lines
No EOL
12 KiB
PHP
406 lines
No EOL
12 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Set of functions related to table indexes
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*
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* @package PhpMyAdmin
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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/**
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* Function to get the name and type of the columns of a table
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*
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* @param string $db current database
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* @param string $table current table
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*
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* @return array
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*/
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function PMA_getNameAndTypeOfTheColumns($db, $table)
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{
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$columns = array();
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foreach ($GLOBALS['dbi']->getColumnsFull($db, $table) as $row) {
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if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
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$tmp[2] = substr(
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preg_replace('@([^,])\'\'@', '\\1\\\'', ',' . $tmp[2]), 1
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);
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$columns[$row['Field']] = $tmp[1] . '('
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. str_replace(',', ', ', $tmp[2]) . ')';
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} else {
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$columns[$row['Field']] = $row['Type'];
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}
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} // end while
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return $columns;
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}
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/**
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* Function to handle the creation or edit of an index
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*
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* @param string $db current db
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* @param string $table current table
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* @param Object $index current index
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*
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* @return void
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*/
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function PMA_handleCreateOrEditIndex($db, $table, $index)
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{
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$error = false;
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$sql_query = PMA_getSqlQueryForIndexCreateOrEdit($db, $table, $index, $error);
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if (! $error) {
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$GLOBALS['dbi']->query($sql_query);
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$message = PMA_Message::success(
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__('Table %1$s has been altered successfully')
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);
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$message->addParam($table);
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if ($GLOBALS['is_ajax_request'] == true) {
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$response = PMA_Response::getInstance();
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$response->addJSON('message', $message);
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$response->addJSON('index_table', PMA_Index::getView($table, $db));
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$response->addJSON(
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'sql_query',
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PMA_Util::getMessage(null, $sql_query)
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);
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} else {
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$active_page = 'tbl_structure.php';
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include 'tbl_structure.php';
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}
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exit;
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} else {
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$response = PMA_Response::getInstance();
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$response->isSuccess(false);
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$response->addJSON('message', $error);
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exit;
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}
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}
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/**
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* Function to get the sql query for index creation or edit
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*
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* @param string $db current db
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* @param string $table current table
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* @param Object $index current index
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* @param bool &$error whether error occoured or not
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*
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* @return string
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*/
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function PMA_getSqlQueryForIndexCreateOrEdit($db, $table, $index, &$error)
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{
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// $sql_query is the one displayed in the query box
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$sql_query = 'ALTER TABLE ' . PMA_Util::backquote($db)
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. '.' . PMA_Util::backquote($table);
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// Drops the old index
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if (! empty($_REQUEST['old_index'])) {
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if ($_REQUEST['old_index'] == 'PRIMARY') {
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$sql_query .= ' DROP PRIMARY KEY,';
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} else {
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$sql_query .= ' DROP INDEX '
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. PMA_Util::backquote($_REQUEST['old_index']) . ',';
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}
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} // end if
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// Builds the new one
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switch ($index->getType()) {
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case 'PRIMARY':
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if ($index->getName() == '') {
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$index->setName('PRIMARY');
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} elseif ($index->getName() != 'PRIMARY') {
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$error = PMA_Message::error(
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__('The name of the primary key must be "PRIMARY"!')
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);
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}
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$sql_query .= ' ADD PRIMARY KEY';
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break;
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case 'FULLTEXT':
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case 'UNIQUE':
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case 'INDEX':
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case 'SPATIAL':
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if ($index->getName() == 'PRIMARY') {
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$error = PMA_Message::error(__('Can\'t rename index to PRIMARY!'));
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}
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$sql_query .= ' ADD ' . $index->getType() . ' '
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. ($index->getName() ? PMA_Util::backquote($index->getName()) : '');
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break;
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} // end switch
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$index_fields = array();
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foreach ($index->getColumns() as $key => $column) {
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$index_fields[$key] = PMA_Util::backquote($column->getName());
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if ($column->getSubPart()) {
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$index_fields[$key] .= '(' . $column->getSubPart() . ')';
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}
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} // end while
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if (empty($index_fields)) {
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$error = PMA_Message::error(__('No index parts defined!'));
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} else {
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$sql_query .= ' (' . implode(', ', $index_fields) . ')';
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}
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if (PMA_MYSQL_INT_VERSION > 50500) {
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$sql_query .= "COMMENT '"
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. PMA_Util::sqlAddSlashes($index->getComment())
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. "'";
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}
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$sql_query .= ';';
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return $sql_query;
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}
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/**
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* Function to prepare the form values for index
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*
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* @param string $db curent database
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* @param string $table current table
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*
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* @return PMA_Index
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*/
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function PMA_prepareFormValues($db, $table)
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{
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if (isset($_REQUEST['index'])) {
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if (is_array($_REQUEST['index'])) {
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// coming already from form
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$index = new PMA_Index($_REQUEST['index']);
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} else {
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$index = PMA_Index::singleton($db, $table, $_REQUEST['index']);
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}
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} else {
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$index = new PMA_Index;
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}
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return $index;
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}
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/**
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* Function to get the number of fields for the form
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*
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* @param Object $index index
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*
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* @return int
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*/
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function PMA_getNumberOfFieldsForForm($index)
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{
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if (isset($_REQUEST['index']) && is_array($_REQUEST['index'])) {
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// coming already from form
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$add_fields
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= count($_REQUEST['index']['columns']['names'])
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- $index->getColumnCount();
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if (isset($_REQUEST['add_fields'])) {
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$add_fields += $_REQUEST['added_fields'];
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}
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} elseif (isset($_REQUEST['create_index'])) {
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$add_fields = $_REQUEST['added_fields'];
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} else {
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$add_fields = 1;
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}// end preparing form values
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return $add_fields;
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}
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/**
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* Function to get form parameters
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*
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* @param string $db current db
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* @param string $table current table
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*
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* @return array
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*/
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function PMA_getFormParameters($db, $table)
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{
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$form_params = array(
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'db' => $db,
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'table' => $table,
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);
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if (isset($_REQUEST['create_index'])) {
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$form_params['create_index'] = 1;
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} elseif (isset($_REQUEST['old_index'])) {
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$form_params['old_index'] = $_REQUEST['old_index'];
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} elseif (isset($_REQUEST['index'])) {
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$form_params['old_index'] = $_REQUEST['index'];
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}
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return $form_params;
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}
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/**
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* Function to get html for displaying the index form
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*
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* @param array $fields fields
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* @param Object $index index
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* @param array $form_params form parameters
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* @param int $add_fields number of fields in the form
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*
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* @return string
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*/
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function PMA_getHtmlForIndexForm($fields, $index, $form_params, $add_fields)
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{
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$html = "";
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$html .= '<form action="tbl_indexes.php" method="post" name="index_frm" id="'
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. 'index_frm" class="ajax"'
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. 'onsubmit="if (typeof(this.elements[\'index[Key_name]\'].disabled) !='
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. ' \'undefined\') {'
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. 'this.elements[\'index[Key_name]\'].disabled = false}">';
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$html .= PMA_URL_getHiddenInputs($form_params);
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$html .= '<fieldset id="index_edit_fields">';
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$html .= '<div class="index_info">';
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$html .= '<div>'
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. '<div class="label">'
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. '<strong>'
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. '<label for="input_index_name">'
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. __('Index name:')
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. PMA_Util::showHint(
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PMA_Message::notice(
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__(
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'"PRIMARY" <b>must</b> be the name of'
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. ' and <b>only of</b> a primary key!'
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)
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)
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)
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. '</label>'
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. '</strong>'
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. '</div>'
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. '<input type="text" name="index[Key_name]" id="input_index_name"'
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. ' size="25"'
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. 'value="' . htmlspecialchars($index->getName()) . '"'
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. 'onfocus="this.select()" />'
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. '</div>';
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if (PMA_MYSQL_INT_VERSION > 50500) {
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$html .= '<div>'
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. '<div class="label">'
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. '<strong>'
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. '<label for="input_index_comment">'
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. __('Comment:')
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. '</label>'
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. '</strong>'
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. '</div>'
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. '<input type="text" name="index[Index_comment]" '
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. 'id="input_index_comment" size="30"'
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. 'value="' . htmlspecialchars($index->getComment()) . '"'
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. 'onfocus="this.select()" />'
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. '</div>';
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}
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$html .= '<div>'
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. '<div class="label">'
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. '<strong>'
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. '<label for="select_index_type">'
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. __('Index type:')
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. PMA_Util::showMySQLDocu('ALTER_TABLE')
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. '</label>'
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. '</strong>'
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. '</div>'
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. '<select name="index[Index_type]" id="select_index_type" >'
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. $index->generateIndexSelector()
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. '</select>'
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. '</div>';
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$html .= '<div class="clearfloat"></div>';
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$html .= '</div>';
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$html .= '<table id="index_columns">';
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$html .= '<thead>'
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. '<tr>'
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. '<th>' . __('Column') . '</th>'
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. '<th>' . __('Size') . '</th>'
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. '</tr>'
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. '</thead>';
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$odd_row = true;
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$spatial_types = array(
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'geometry', 'point', 'linestring', 'polygon', 'multipoint',
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'multilinestring', 'multipolygon', 'geomtrycollection'
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);
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$html .= '<tbody>';
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foreach ($index->getColumns() as $column) {
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$html .= '<tr class="';
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$html .= $odd_row ? 'odd' : 'even';
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$html .= 'noclick">';
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$html .= '<td>';
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$html .= '<select name="index[columns][names][]">';
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$html .= '<option value="">-- ' . __('Ignore') . ' --</option>';
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foreach ($fields as $field_name => $field_type) {
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if (($index->getType() != 'FULLTEXT'
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|| preg_match('/(char|text)/i', $field_type))
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&& ($index->getType() != 'SPATIAL'
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|| in_array($field_type, $spatial_types))
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) {
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$html .= '<option value="' . htmlspecialchars($field_name) . '"'
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. (($field_name == $column->getName())
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? ' selected="selected"'
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: '') . '>'
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. htmlspecialchars($field_name) . ' ['
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. htmlspecialchars($field_type) . ']'
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. '</option>' . "\n";
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}
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} // end foreach $fields
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$html .= '</select>';
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$html .= '</td>';
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$html .= '<td>';
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$html .= '<input type="text" size="5" onfocus="this.select()"'
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. 'name="index[columns][sub_parts][]" value="';
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if ($index->getType() != 'SPATIAL') {
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$html .= $column->getSubPart();
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}
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$html .= '"/>';
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$html .= '</td>';
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$html .= '</tr>';
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$odd_row = !$odd_row;
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} // end foreach $edited_index_info['Sequences']
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for ($i = 0; $i < $add_fields; $i++) {
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$html .= '<tr class="';
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$html .= $odd_row ? 'odd' : 'even';
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$html .= 'noclick">';
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$html .= '<td>';
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$html .= '<select name="index[columns][names][]">';
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$html .= '<option value="">-- ' . __('Ignore') . ' --</option>';
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foreach ($fields as $field_name => $field_type) {
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$html .= '<option value="' . htmlspecialchars($field_name) . '">'
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. htmlspecialchars($field_name) . ' ['
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. htmlspecialchars($field_type) . ']'
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. '</option>' . "\n";
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} // end foreach $fields
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$html .= '</select>';
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$html .= '</td>';
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$html .= '<td>'
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. '<input type="text" size="5" onfocus="this.select()"'
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. 'name="index[columns][sub_parts][]" value="" />'
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. '</td>';
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$html .= '</tr>';
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$odd_row = !$odd_row;
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} // end foreach $edited_index_info['Sequences']
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$html .= '</tbody>';
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$html .= '</table>';
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$html .= '</fieldset>';
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$html .= '<fieldset class="tblFooters">';
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$btn_value = sprintf(__('Add %s column(s) to index'), 1);
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$html .= '<div class="slider"></div>';
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$html .= '<div class="add_fields">';
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$html .= '<input type="submit" value="' . $btn_value . '" />';
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$html .= '</div>';
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$html .= '</fieldset>';
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$html .= '</form>';
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return $html;
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}
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?>
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