<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* extracts table properties from create statement
*
* @todo should be handled by class Table
* @todo this should be recoded as functions, to avoid messing with global variables
*
* @package PhpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
// Check parameters
PMA_Util::checkParameters(array('db', 'table'));
/**
* Defining global variables, in case this script is included by a function.
*/
global $showtable, $tbl_is_view, $tbl_storage_engine, $show_comment, $tbl_collation,
$table_info_num_rows, $auto_increment;
/**
* Gets table information
*/
// Seems we need to do this in MySQL 5.0.2,
// otherwise error #1046, no database selected
$GLOBALS['dbi']->selectDb($GLOBALS['db']);
/**
* Holds information about the current table
*
* @todo replace this by PMA_Table
* @global array $GLOBALS['showtable']
* @name $showtable
*/
$GLOBALS['showtable'] = array();
// PMA_Table::getStatusInfo() does caching by default, but here
// we force reading of the current table status
// if $reread_info is true (for example, coming from tbl_operations.php
// and we just changed the table's storage engine)
$GLOBALS['showtable'] = $GLOBALS['dbi']->getTable(
$GLOBALS['db'],
$GLOBALS['table']
)->getStatusInfo(
null,
(isset($reread_info) && $reread_info ? true : false)
);
// need this test because when we are creating a table, we get 0 rows
// from the SHOW TABLE query
// and we don't want to mess up the $tbl_storage_engine coming from the form
if ($showtable) {
/** @var PMA_String $pmaString */
$pmaString = $GLOBALS['PMA_String'];
if ($GLOBALS['dbi']->getTable($GLOBALS['db'], $GLOBALS['table'])->isView()) {
$tbl_is_view = true;
$tbl_storage_engine = __('View');
$show_comment = null;
} else {
$tbl_is_view = false;
$tbl_storage_engine = isset($showtable['Engine'])
? /*overload*/mb_strtoupper($showtable['Engine'])
: '';
$show_comment = '';
if (isset($showtable['Comment'])) {
$show_comment = $showtable['Comment'];
}
}
$tbl_collation = empty($showtable['Collation'])
? ''
: $showtable['Collation'];
if (null === $showtable['Rows']) {
$showtable['Rows'] = $GLOBALS['dbi']
->getTable($GLOBALS['db'], $showtable['Name'])
->countRecords(true);
}
$table_info_num_rows = isset($showtable['Rows']) ? $showtable['Rows'] : 0;
$row_format = isset($showtable['Row_format']) ? $showtable['Row_format'] : '';
$auto_increment = isset($showtable['Auto_increment'])
? $showtable['Auto_increment']
: '';
$create_options = isset($showtable['Create_options'])
? explode(' ', $showtable['Create_options'])
: array();
// export create options by its name as variables into global namespace
// f.e. pack_keys=1 becomes available as $pack_keys with value of '1'
unset($pack_keys);
foreach ($create_options as $each_create_option) {
$each_create_option = explode('=', $each_create_option);
if (isset($each_create_option[1])) {
// ensure there is no ambiguity for PHP 5 and 7
${$each_create_option[0]} = $each_create_option[1];
}
}
// we need explicit DEFAULT value here (different from '0')
$pack_keys = (! isset($pack_keys) || /*overload*/mb_strlen($pack_keys) == 0)
? 'DEFAULT'
: $pack_keys;
unset($create_options, $each_create_option);
} // end if
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