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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Table export
*
* @package PhpMyAdmin
*/
declare(strict_types=1);
use PhpMyAdmin\Config\PageSettings;
use PhpMyAdmin\Display\Export;
use PhpMyAdmin\Relation;
use PhpMyAdmin\Response;
/**
*
*/
require_once 'libraries/common.inc.php';
PageSettings::showGroup('Export');
$response = Response::getInstance();
$header = $response->getHeader();
$scripts = $header->getScripts();
$scripts->addFile('export.js');
// Get the relation settings
$relation = new Relation();
$cfgRelation = $relation->getRelationsParam();
$displayExport = new Export();
// handling export template actions
if (isset($_REQUEST['templateAction']) && $cfgRelation['exporttemplateswork']) {
$displayExport->handleTemplateActions($cfgRelation);
exit;
}
/**
* Gets tables information and displays top links
*/
require_once 'libraries/tbl_common.inc.php';
$url_query .= '&goto=tbl_export.php&back=tbl_export.php';
// Dump of a table
$export_page_title = __('View dump (schema) of table');
// When we have some query, we need to remove LIMIT from that and possibly
// generate WHERE clause (if we are asked to export specific rows)
if (! empty($sql_query)) {
$parser = new PhpMyAdmin\SqlParser\Parser($sql_query);
if ((!empty($parser->statements[0]))
&& ($parser->statements[0] instanceof PhpMyAdmin\SqlParser\Statements\SelectStatement)
) {
// Finding aliases and removing them, but we keep track of them to be
// able to replace them in select expression too.
$aliases = [];
foreach ($parser->statements[0]->from as $from) {
if ((!empty($from->table)) && (!empty($from->alias))) {
$aliases[$from->alias] = $from->table;
// We remove the alias of the table because they are going to
// be replaced anyway.
$from->alias = null;
$from->expr = null; // Force rebuild.
}
}
// Rebuilding the SELECT and FROM clauses.
if (count($parser->statements[0]->from) > 0
&& count($parser->statements[0]->union) === 0
) {
$replaces = [
[
'FROM', 'FROM ' . PhpMyAdmin\SqlParser\Components\ExpressionArray::build(
$parser->statements[0]->from
),
],
];
}
// Checking if the WHERE clause has to be replaced.
if ((!empty($where_clause)) && (is_array($where_clause))) {
$replaces[] = [
'WHERE', 'WHERE (' . implode(') OR (', $where_clause) . ')'
];
}
// Preparing to remove the LIMIT clause.
$replaces[] = ['LIMIT', ''];
// Replacing the clauses.
$sql_query = PhpMyAdmin\SqlParser\Utils\Query::replaceClauses(
$parser->statements[0],
$parser->list,
$replaces
);
// Removing the aliases by finding the alias followed by a dot.
$tokens = PhpMyAdmin\SqlParser\Lexer::getTokens($sql_query);
foreach ($aliases as $alias => $table) {
$tokens = PhpMyAdmin\SqlParser\Utils\Tokens::replaceTokens(
$tokens,
[
[
'value_str' => $alias,
],
[
'type' => PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR,
'value_str' => '.',
]
],
[
new PhpMyAdmin\SqlParser\Token($table),
new PhpMyAdmin\SqlParser\Token('.', PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR)
]
);
}
$sql_query = PhpMyAdmin\SqlParser\TokensList::build($tokens);
}
echo PhpMyAdmin\Util::getMessage(PhpMyAdmin\Message::success());
}
if (! isset($sql_query)) {
$sql_query = '';
}
if (! isset($num_tables)) {
$num_tables = 0;
}
if (! isset($unlim_num_rows)) {
$unlim_num_rows = 0;
}
if (! isset($multi_values)) {
$multi_values = '';
}
$response = Response::getInstance();
$response->addHTML(
$displayExport->getDisplay(
'table',
$db,
$table,
$sql_query,
$num_tables,
$unlim_num_rows,
$multi_values
)
);
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