2515 lines
98 KiB
PHP
2515 lines
98 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/** SQL Parser Functions for phpMyAdmin
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*
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* Copyright 2002 Robin Johnson <robbat2@users.sourceforge.net>
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* http://www.orbis-terrarum.net/?l=people.robbat2
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*
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* These functions define an SQL parser system, capable of understanding and
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* extracting data from a MySQL type SQL query.
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*
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* The basic procedure for using the new SQL parser:
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* On any page that needs to extract data from a query or to pretty-print a
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* query, you need code like this up at the top:
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*
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* ($sql contains the query)
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* $parsed_sql = PMA_SQP_parse($sql);
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*
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* If you want to extract data from it then, you just need to run
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* $sql_info = PMA_SQP_analyze($parsed_sql);
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*
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* lem9: See comments in PMA_SQP_analyze for the returned info
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* from the analyzer.
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*
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* If you want a pretty-printed version of the query, do:
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* $string = PMA_SQP_formatHtml($parsed_sql);
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* (note that that you need to have syntax.css.php included somehow in your
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* page for it to work, I recommend '<link rel="stylesheet" type="text/css"
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* href="syntax.css.php" />' at the moment.)
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*
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* @version $Id$
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*/
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/**
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* Minimum inclusion? (i.e. for the stylesheet builder)
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*/
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if (! defined('PMA_MINIMUM_COMMON')) {
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/**
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* Include the string library as we use it heavily
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*/
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require_once './libraries/string.lib.php';
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/**
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* Include data for the SQL Parser
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*/
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require_once './libraries/sqlparser.data.php';
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require_once './libraries/mysql_charsets.lib.php';
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if (!isset($mysql_charsets)) {
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$mysql_charsets = array();
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$mysql_charsets_count = 0;
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$mysql_collations_flat = array();
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$mysql_collations_count = 0;
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}
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if (!defined('DEBUG_TIMING')) {
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function PMA_SQP_arrayAdd(&$arr, $type, $data, &$arrsize)
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{
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$arr[] = array('type' => $type, 'data' => $data);
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$arrsize++;
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} // end of the "PMA_SQP_arrayAdd()" function
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} else {
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function PMA_SQP_arrayAdd(&$arr, $type, $data, &$arrsize)
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{
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global $timer;
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$t = $timer;
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$arr[] = array('type' => $type, 'data' => $data, 'time' => $t);
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$timer = microtime();
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$arrsize++;
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} // end of the "PMA_SQP_arrayAdd()" function
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} // end if... else...
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/**
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* Reset the error variable for the SQL parser
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*
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* @access public
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*/
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// Added, Robbat2 - 13 Janurary 2003, 2:59PM
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function PMA_SQP_resetError()
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{
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global $SQP_errorString;
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$SQP_errorString = '';
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unset($SQP_errorString);
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}
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/**
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* Get the contents of the error variable for the SQL parser
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*
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* @return string Error string from SQL parser
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*
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* @access public
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*/
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// Added, Robbat2 - 13 Janurary 2003, 2:59PM
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function PMA_SQP_getErrorString()
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{
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global $SQP_errorString;
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return isset($SQP_errorString) ? $SQP_errorString : '';
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}
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/**
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* Check if the SQL parser hit an error
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*
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* @return boolean error state
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*
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* @access public
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*/
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// Added, Robbat2 - 13 Janurary 2003, 2:59PM
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function PMA_SQP_isError()
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{
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global $SQP_errorString;
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return isset($SQP_errorString) && !empty($SQP_errorString);
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}
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/**
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* Set an error message for the system
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*
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* @param string The error message
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* @param string The failing SQL query
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*
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* @access private
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* @scope SQL Parser internal
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*/
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// Revised, Robbat2 - 13 Janurary 2003, 2:59PM
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function PMA_SQP_throwError($message, $sql)
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{
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global $SQP_errorString;
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$SQP_errorString = '<p>'.$GLOBALS['strSQLParserUserError'] . '</p>' . "\n"
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. '<pre>' . "\n"
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. 'ERROR: ' . $message . "\n"
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. 'SQL: ' . htmlspecialchars($sql) . "\n"
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. '</pre>' . "\n";
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} // end of the "PMA_SQP_throwError()" function
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/**
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* Do display the bug report
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*
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* @param string The error message
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* @param string The failing SQL query
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*
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* @access public
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*/
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function PMA_SQP_bug($message, $sql)
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{
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global $SQP_errorString;
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$debugstr = 'ERROR: ' . $message . "\n";
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$debugstr .= 'SVN: $Id$' . "\n";
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$debugstr .= 'MySQL: '.PMA_MYSQL_STR_VERSION . "\n";
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$debugstr .= 'USR OS, AGENT, VER: ' . PMA_USR_OS . ' ' . PMA_USR_BROWSER_AGENT . ' ' . PMA_USR_BROWSER_VER . "\n";
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$debugstr .= 'PMA: ' . PMA_VERSION . "\n";
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$debugstr .= 'PHP VER,OS: ' . PMA_PHP_STR_VERSION . ' ' . PHP_OS . "\n";
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$debugstr .= 'LANG: ' . $GLOBALS['lang'] . "\n";
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$debugstr .= 'SQL: ' . htmlspecialchars($sql);
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$encodedstr = $debugstr;
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if (@function_exists('gzcompress')) {
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$encodedstr = gzcompress($debugstr, 9);
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}
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$encodedstr = preg_replace("/(\015\012)|(\015)|(\012)/", '<br />' . "\n", chunk_split(base64_encode($encodedstr)));
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$SQP_errorString .= $GLOBALS['strSQLParserBugMessage'] . '<br />' . "\n"
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. '----' . $GLOBALS['strBeginCut'] . '----' . '<br />' . "\n"
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. $encodedstr . "\n"
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. '----' . $GLOBALS['strEndCut'] . '----' . '<br />' . "\n";
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$SQP_errorString .= '----' . $GLOBALS['strBeginRaw'] . '----<br />' . "\n"
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. '<pre>' . "\n"
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. $debugstr
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. '</pre>' . "\n"
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. '----' . $GLOBALS['strEndRaw'] . '----<br />' . "\n";
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} // end of the "PMA_SQP_bug()" function
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/**
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* Parses the SQL queries
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*
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* @param string The SQL query list
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*
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* @return mixed Most of times, nothing...
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*
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* @global array The current PMA configuration
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* @global array MySQL column attributes
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* @global array MySQL reserved words
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* @global array MySQL column types
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* @global array MySQL function names
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* @global integer MySQL column attributes count
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* @global integer MySQL reserved words count
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* @global integer MySQL column types count
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* @global integer MySQL function names count
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* @global array List of available character sets
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* @global array List of available collations
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* @global integer Character sets count
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* @global integer Collations count
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*
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* @access public
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*/
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function PMA_SQP_parse($sql)
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{
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global $cfg;
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global $PMA_SQPdata_column_attrib, $PMA_SQPdata_reserved_word, $PMA_SQPdata_column_type, $PMA_SQPdata_function_name,
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$PMA_SQPdata_column_attrib_cnt, $PMA_SQPdata_reserved_word_cnt, $PMA_SQPdata_column_type_cnt, $PMA_SQPdata_function_name_cnt;
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global $mysql_charsets, $mysql_collations_flat, $mysql_charsets_count, $mysql_collations_count;
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global $PMA_SQPdata_forbidden_word, $PMA_SQPdata_forbidden_word_cnt;
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// rabus: Convert all line feeds to Unix style
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$sql = str_replace("\r\n", "\n", $sql);
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$sql = str_replace("\r", "\n", $sql);
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$len = PMA_strlen($sql);
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if ($len == 0) {
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return array();
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}
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$sql_array = array();
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$sql_array['raw'] = $sql;
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$count1 = 0;
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$count2 = 0;
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$punct_queryend = ';';
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$punct_qualifier = '.';
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$punct_listsep = ',';
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$punct_level_plus = '(';
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$punct_level_minus = ')';
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$punct_user = '@';
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$digit_floatdecimal = '.';
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$digit_hexset = 'x';
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$bracket_list = '()[]{}';
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$allpunct_list = '-,;:!?/.^~\*&%+<=>|';
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$allpunct_list_pair = array (
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0 => '!=',
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1 => '&&',
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2 => ':=',
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3 => '<<',
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4 => '<=',
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5 => '<=>',
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6 => '<>',
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7 => '>=',
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8 => '>>',
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9 => '||'
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);
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$allpunct_list_pair_size = 10; //count($allpunct_list_pair);
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$quote_list = '\'"`';
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$arraysize = 0;
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$previous_was_space = false;
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$this_was_space = false;
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$previous_was_bracket = false;
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$this_was_bracket = false;
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$previous_was_punct = false;
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$this_was_punct = false;
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$previous_was_listsep = false;
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$this_was_listsep = false;
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$previous_was_quote = false;
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$this_was_quote = false;
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while ($count2 < $len) {
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$c = PMA_substr($sql, $count2, 1);
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$count1 = $count2;
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$previous_was_space = $this_was_space;
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$this_was_space = false;
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$previous_was_bracket = $this_was_bracket;
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$this_was_bracket = false;
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$previous_was_punct = $this_was_punct;
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$this_was_punct = false;
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$previous_was_listsep = $this_was_listsep;
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$this_was_listsep = false;
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$previous_was_quote = $this_was_quote;
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$this_was_quote = false;
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if (($c == "\n")) {
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$this_was_space = true;
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$count2++;
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PMA_SQP_arrayAdd($sql_array, 'white_newline', '', $arraysize);
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continue;
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}
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// Checks for white space
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if (PMA_STR_isSpace($c)) {
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$this_was_space = true;
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$count2++;
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continue;
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}
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// Checks for comment lines.
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// MySQL style #
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// C style /* */
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// ANSI style --
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if (($c == '#')
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|| (($count2 + 1 < $len) && ($c == '/') && (PMA_substr($sql, $count2 + 1, 1) == '*'))
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|| (($count2 + 2 == $len) && ($c == '-') && (PMA_substr($sql, $count2 + 1, 1) == '-'))
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|| (($count2 + 2 < $len) && ($c == '-') && (PMA_substr($sql, $count2 + 1, 1) == '-') && ((PMA_substr($sql, $count2 + 2, 1) <= ' ')))) {
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$count2++;
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$pos = 0;
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$type = 'bad';
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switch ($c) {
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case '#':
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$type = 'mysql';
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case '-':
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$type = 'ansi';
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$pos = $GLOBALS['PMA_strpos']($sql, "\n", $count2);
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break;
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case '/':
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$type = 'c';
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$pos = $GLOBALS['PMA_strpos']($sql, '*/', $count2);
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$pos += 2;
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break;
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default:
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break;
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} // end switch
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$count2 = ($pos < $count2) ? $len : $pos;
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$str = PMA_substr($sql, $count1, $count2 - $count1);
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PMA_SQP_arrayAdd($sql_array, 'comment_' . $type, $str, $arraysize);
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continue;
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} // end if
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// Checks for something inside quotation marks
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if (PMA_STR_strInStr($c, $quote_list)) {
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$startquotepos = $count2;
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$quotetype = $c;
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$count2++;
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$escaped = FALSE;
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$escaped_escaped = FALSE;
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$pos = $count2;
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$oldpos = 0;
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do {
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$oldpos = $pos;
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$pos = $GLOBALS['PMA_strpos'](' ' . $sql, $quotetype, $oldpos + 1) - 1;
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// ($pos === FALSE)
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if ($pos < 0) {
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$debugstr = $GLOBALS['strSQPBugUnclosedQuote'] . ' @ ' . $startquotepos. "\n"
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. 'STR: ' . htmlspecialchars($quotetype);
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PMA_SQP_throwError($debugstr, $sql);
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return $sql;
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}
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// If the quote is the first character, it can't be
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// escaped, so don't do the rest of the code
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if ($pos == 0) {
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break;
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}
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// Checks for MySQL escaping using a \
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// And checks for ANSI escaping using the $quotetype character
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if (($pos < $len) && PMA_STR_charIsEscaped($sql, $pos)) {
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$pos ++;
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continue;
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} elseif (($pos + 1 < $len) && (PMA_substr($sql, $pos, 1) == $quotetype) && (PMA_substr($sql, $pos + 1, 1) == $quotetype)) {
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$pos = $pos + 2;
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continue;
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} else {
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break;
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}
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} while ($len > $pos); // end do
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$count2 = $pos;
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$count2++;
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$type = 'quote_';
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switch ($quotetype) {
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case '\'':
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$type .= 'single';
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$this_was_quote = true;
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break;
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case '"':
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$type .= 'double';
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$this_was_quote = true;
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break;
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case '`':
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$type .= 'backtick';
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$this_was_quote = true;
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break;
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default:
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break;
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} // end switch
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$data = PMA_substr($sql, $count1, $count2 - $count1);
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PMA_SQP_arrayAdd($sql_array, $type, $data, $arraysize);
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continue;
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}
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// Checks for brackets
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if (PMA_STR_strInStr($c, $bracket_list)) {
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// All bracket tokens are only one item long
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$this_was_bracket = true;
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$count2++;
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$type_type = '';
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if (PMA_STR_strInStr($c, '([{')) {
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$type_type = 'open';
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} else {
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$type_type = 'close';
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}
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$type_style = '';
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if (PMA_STR_strInStr($c, '()')) {
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$type_style = 'round';
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} elseif (PMA_STR_strInStr($c, '[]')) {
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$type_style = 'square';
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} else {
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$type_style = 'curly';
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}
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$type = 'punct_bracket_' . $type_type . '_' . $type_style;
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PMA_SQP_arrayAdd($sql_array, $type, $c, $arraysize);
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continue;
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}
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/* DEBUG
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echo '<pre>1';
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var_dump(PMA_STR_isSqlIdentifier($c, false));
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var_dump($c == '@');
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var_dump($c == '.');
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var_dump(PMA_STR_isDigit(PMA_substr($sql, $count2 + 1, 1)));
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var_dump($previous_was_space);
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var_dump($previous_was_bracket);
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var_dump($previous_was_listsep);
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echo '</pre>';
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*/
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// Checks for identifier (alpha or numeric)
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if (PMA_STR_isSqlIdentifier($c, false)
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|| $c == '@'
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|| ($c == '.'
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&& PMA_STR_isDigit(PMA_substr($sql, $count2 + 1, 1))
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&& ($previous_was_space || $previous_was_bracket || $previous_was_listsep))) {
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/* DEBUG
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echo PMA_substr($sql, $count2);
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echo '<hr />';
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*/
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$count2++;
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|
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/**
|
|
* @todo a @ can also be present in expressions like
|
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* FROM 'user'@'%' or TO 'user'@'%'
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* in this case, the @ is wrongly marked as alpha_variable
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*/
|
|
$is_identifier = $previous_was_punct;
|
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$is_sql_variable = $c == '@' && ! $previous_was_quote;
|
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$is_user = $c == '@' && $previous_was_quote;
|
|
$is_digit = !$is_identifier && !$is_sql_variable && PMA_STR_isDigit($c);
|
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$is_hex_digit = $is_digit && $c == '0' && $count2 < $len && PMA_substr($sql, $count2, 1) == 'x';
|
|
$is_float_digit = $c == '.';
|
|
$is_float_digit_exponent = FALSE;
|
|
|
|
/* DEBUG
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echo '<pre>2';
|
|
var_dump($is_identifier);
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|
var_dump($is_sql_variable);
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var_dump($is_digit);
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var_dump($is_float_digit);
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echo '</pre>';
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|
*/
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// Nijel: Fast skip is especially needed for huge BLOB data, requires PHP at least 4.3.0:
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|
if (PMA_PHP_INT_VERSION >= 40300) {
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if ($is_hex_digit) {
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$count2++;
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$pos = strspn($sql, '0123456789abcdefABCDEF', $count2);
|
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if ($pos > $count2) {
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$count2 = $pos;
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}
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unset($pos);
|
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} elseif ($is_digit) {
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$pos = strspn($sql, '0123456789', $count2);
|
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if ($pos > $count2) {
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$count2 = $pos;
|
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}
|
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unset($pos);
|
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}
|
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}
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|
|
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while (($count2 < $len) && PMA_STR_isSqlIdentifier(PMA_substr($sql, $count2, 1), ($is_sql_variable || $is_digit))) {
|
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$c2 = PMA_substr($sql, $count2, 1);
|
|
if ($is_sql_variable && ($c2 == '.')) {
|
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$count2++;
|
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continue;
|
|
}
|
|
if ($is_digit && (!$is_hex_digit) && ($c2 == '.')) {
|
|
$count2++;
|
|
if (!$is_float_digit) {
|
|
$is_float_digit = TRUE;
|
|
continue;
|
|
} else {
|
|
$debugstr = $GLOBALS['strSQPBugInvalidIdentifer'] . ' @ ' . ($count1+1) . "\n"
|
|
. 'STR: ' . htmlspecialchars(PMA_substr($sql, $count1, $count2 - $count1));
|
|
PMA_SQP_throwError($debugstr, $sql);
|
|
return $sql;
|
|
}
|
|
}
|
|
if ($is_digit && (!$is_hex_digit) && (($c2 == 'e') || ($c2 == 'E'))) {
|
|
if (!$is_float_digit_exponent) {
|
|
$is_float_digit_exponent = TRUE;
|
|
$is_float_digit = TRUE;
|
|
$count2++;
|
|
continue;
|
|
} else {
|
|
$is_digit = FALSE;
|
|
$is_float_digit = FALSE;
|
|
}
|
|
}
|
|
if (($is_hex_digit && PMA_STR_isHexDigit($c2)) || ($is_digit && PMA_STR_isDigit($c2))) {
|
|
$count2++;
|
|
continue;
|
|
} else {
|
|
$is_digit = FALSE;
|
|
$is_hex_digit = FALSE;
|
|
}
|
|
|
|
$count2++;
|
|
} // end while
|
|
|
|
$l = $count2 - $count1;
|
|
$str = PMA_substr($sql, $count1, $l);
|
|
|
|
$type = '';
|
|
if ($is_digit || $is_float_digit || $is_hex_digit) {
|
|
$type = 'digit';
|
|
if ($is_float_digit) {
|
|
$type .= '_float';
|
|
} elseif ($is_hex_digit) {
|
|
$type .= '_hex';
|
|
} else {
|
|
$type .= '_integer';
|
|
}
|
|
} elseif ($is_user) {
|
|
$type = 'punct_user';
|
|
} elseif ($is_sql_variable != FALSE) {
|
|
$type = 'alpha_variable';
|
|
} else {
|
|
$type = 'alpha';
|
|
} // end if... else....
|
|
PMA_SQP_arrayAdd($sql_array, $type, $str, $arraysize);
|
|
|
|
continue;
|
|
}
|
|
|
|
// Checks for punct
|
|
if (PMA_STR_strInStr($c, $allpunct_list)) {
|
|
while (($count2 < $len) && PMA_STR_strInStr(PMA_substr($sql, $count2, 1), $allpunct_list)) {
|
|
$count2++;
|
|
}
|
|
$l = $count2 - $count1;
|
|
if ($l == 1) {
|
|
$punct_data = $c;
|
|
} else {
|
|
$punct_data = PMA_substr($sql, $count1, $l);
|
|
}
|
|
|
|
// Special case, sometimes, althought two characters are
|
|
// adjectent directly, they ACTUALLY need to be seperate
|
|
/* DEBUG
|
|
echo '<pre>';
|
|
var_dump($l);
|
|
var_dump($punct_data);
|
|
echo '</pre>';
|
|
*/
|
|
|
|
if ($l == 1) {
|
|
$t_suffix = '';
|
|
switch ($punct_data) {
|
|
case $punct_queryend:
|
|
$t_suffix = '_queryend';
|
|
break;
|
|
case $punct_qualifier:
|
|
$t_suffix = '_qualifier';
|
|
$this_was_punct = true;
|
|
break;
|
|
case $punct_listsep:
|
|
$this_was_listsep = true;
|
|
$t_suffix = '_listsep';
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
PMA_SQP_arrayAdd($sql_array, 'punct' . $t_suffix, $punct_data, $arraysize);
|
|
} elseif (PMA_STR_binarySearchInArr($punct_data, $allpunct_list_pair, $allpunct_list_pair_size)) {
|
|
// Ok, we have one of the valid combined punct expressions
|
|
PMA_SQP_arrayAdd($sql_array, 'punct', $punct_data, $arraysize);
|
|
} else {
|
|
// Bad luck, lets split it up more
|
|
$first = $punct_data[0];
|
|
$first2 = $punct_data[0] . $punct_data[1];
|
|
$last2 = $punct_data[$l - 2] . $punct_data[$l - 1];
|
|
$last = $punct_data[$l - 1];
|
|
if (($first == ',') || ($first == ';') || ($first == '.') || ($first == '*')) {
|
|
$count2 = $count1 + 1;
|
|
$punct_data = $first;
|
|
} elseif (($last2 == '/*') || (($last2 == '--') && ($count2 == $len || PMA_substr($sql, $count2, 1) <= ' '))) {
|
|
$count2 -= 2;
|
|
$punct_data = PMA_substr($sql, $count1, $count2 - $count1);
|
|
} elseif (($last == '-') || ($last == '+') || ($last == '!')) {
|
|
$count2--;
|
|
$punct_data = PMA_substr($sql, $count1, $count2 - $count1);
|
|
/**
|
|
* @todo for negation operator, split in 2 tokens ?
|
|
* "select x&~1 from t"
|
|
* becomes "select x & ~ 1 from t" ?
|
|
*/
|
|
|
|
} elseif ($last != '~') {
|
|
$debugstr = $GLOBALS['strSQPBugUnknownPunctuation'] . ' @ ' . ($count1+1) . "\n"
|
|
. 'STR: ' . htmlspecialchars($punct_data);
|
|
PMA_SQP_throwError($debugstr, $sql);
|
|
return $sql;
|
|
}
|
|
PMA_SQP_arrayAdd($sql_array, 'punct', $punct_data, $arraysize);
|
|
continue;
|
|
} // end if... elseif... else
|
|
continue;
|
|
}
|
|
|
|
// DEBUG
|
|
$count2++;
|
|
|
|
$debugstr = 'C1 C2 LEN: ' . $count1 . ' ' . $count2 . ' ' . $len . "\n"
|
|
. 'STR: ' . PMA_substr($sql, $count1, $count2 - $count1) . "\n";
|
|
PMA_SQP_bug($debugstr, $sql);
|
|
return $sql;
|
|
|
|
} // end while ($count2 < $len)
|
|
|
|
/*
|
|
echo '<pre>';
|
|
print_r($sql_array);
|
|
echo '</pre>';
|
|
*/
|
|
|
|
if ($arraysize > 0) {
|
|
$t_next = $sql_array[0]['type'];
|
|
$t_prev = '';
|
|
$t_bef_prev = '';
|
|
$t_cur = '';
|
|
$d_next = $sql_array[0]['data'];
|
|
$d_prev = '';
|
|
$d_bef_prev = '';
|
|
$d_cur = '';
|
|
$d_next_upper = $t_next == 'alpha' ? strtoupper($d_next) : $d_next;
|
|
$d_prev_upper = '';
|
|
$d_bef_prev_upper = '';
|
|
$d_cur_upper = '';
|
|
}
|
|
|
|
for ($i = 0; $i < $arraysize; $i++) {
|
|
$t_bef_prev = $t_prev;
|
|
$t_prev = $t_cur;
|
|
$t_cur = $t_next;
|
|
$d_bef_prev = $d_prev;
|
|
$d_prev = $d_cur;
|
|
$d_cur = $d_next;
|
|
$d_bef_prev_upper = $d_prev_upper;
|
|
$d_prev_upper = $d_cur_upper;
|
|
$d_cur_upper = $d_next_upper;
|
|
if (($i + 1) < $arraysize) {
|
|
$t_next = $sql_array[$i + 1]['type'];
|
|
$d_next = $sql_array[$i + 1]['data'];
|
|
$d_next_upper = $t_next == 'alpha' ? strtoupper($d_next) : $d_next;
|
|
} else {
|
|
$t_next = '';
|
|
$d_next = '';
|
|
$d_next_upper = '';
|
|
}
|
|
|
|
//DEBUG echo "[prev: <b>".$d_prev."</b> ".$t_prev."][cur: <b>".$d_cur."</b> ".$t_cur."][next: <b>".$d_next."</b> ".$t_next."]<br />";
|
|
|
|
if ($t_cur == 'alpha') {
|
|
$t_suffix = '_identifier';
|
|
if (($t_next == 'punct_qualifier') || ($t_prev == 'punct_qualifier')) {
|
|
$t_suffix = '_identifier';
|
|
} elseif (($t_next == 'punct_bracket_open_round')
|
|
&& PMA_STR_binarySearchInArr($d_cur_upper, $PMA_SQPdata_function_name, $PMA_SQPdata_function_name_cnt)) {
|
|
/**
|
|
* @todo 2005-10-16: in the case of a CREATE TABLE containing
|
|
* a TIMESTAMP, since TIMESTAMP() is also a function, it's
|
|
* found here and the token is wrongly marked as alpha_functionName.
|
|
* But we compensate for this when analysing for timestamp_not_null
|
|
* later in this script.
|
|
*
|
|
* Same applies to CHAR vs. CHAR() function.
|
|
*/
|
|
$t_suffix = '_functionName';
|
|
/* There are functions which might be as well column types */
|
|
if (PMA_STR_binarySearchInArr($d_cur_upper, $PMA_SQPdata_column_type, $PMA_SQPdata_column_type_cnt)) {
|
|
}
|
|
} elseif (PMA_STR_binarySearchInArr($d_cur_upper, $PMA_SQPdata_column_type, $PMA_SQPdata_column_type_cnt)) {
|
|
$t_suffix = '_columnType';
|
|
|
|
/**
|
|
* Temporary fix for BUG #621357
|
|
*
|
|
* @todo FIX PROPERLY NEEDS OVERHAUL OF SQL TOKENIZER
|
|
*/
|
|
if ($d_cur_upper == 'SET' && $t_next != 'punct_bracket_open_round') {
|
|
$t_suffix = '_reservedWord';
|
|
}
|
|
//END OF TEMPORARY FIX
|
|
|
|
// CHARACTER is a synonym for CHAR, but can also be meant as
|
|
// CHARACTER SET. In this case, we have a reserved word.
|
|
if ($d_cur_upper == 'CHARACTER' && $d_next_upper == 'SET') {
|
|
$t_suffix = '_reservedWord';
|
|
}
|
|
|
|
// experimental
|
|
// current is a column type, so previous must not be
|
|
// a reserved word but an identifier
|
|
// CREATE TABLE SG_Persons (first varchar(64))
|
|
|
|
//if ($sql_array[$i-1]['type'] =='alpha_reservedWord') {
|
|
// $sql_array[$i-1]['type'] = 'alpha_identifier';
|
|
//}
|
|
|
|
} elseif (PMA_STR_binarySearchInArr($d_cur_upper, $PMA_SQPdata_reserved_word, $PMA_SQPdata_reserved_word_cnt)) {
|
|
$t_suffix = '_reservedWord';
|
|
} elseif (PMA_STR_binarySearchInArr($d_cur_upper, $PMA_SQPdata_column_attrib, $PMA_SQPdata_column_attrib_cnt)) {
|
|
$t_suffix = '_columnAttrib';
|
|
// INNODB is a MySQL table type, but in "SHOW INNODB STATUS",
|
|
// it should be regarded as a reserved word.
|
|
if ($d_cur_upper == 'INNODB' && $d_prev_upper == 'SHOW' && $d_next_upper == 'STATUS') {
|
|
$t_suffix = '_reservedWord';
|
|
}
|
|
|
|
if ($d_cur_upper == 'DEFAULT' && $d_next_upper == 'CHARACTER') {
|
|
$t_suffix = '_reservedWord';
|
|
}
|
|
// Binary as character set
|
|
if ($d_cur_upper == 'BINARY' && (
|
|
($d_bef_prev_upper == 'CHARACTER' && $d_prev_upper == 'SET')
|
|
|| ($d_bef_prev_upper == 'SET' && $d_prev_upper == '=')
|
|
|| ($d_bef_prev_upper == 'CHARSET' && $d_prev_upper == '=')
|
|
|| $d_prev_upper == 'CHARSET'
|
|
) && PMA_STR_binarySearchInArr($d_cur, $mysql_charsets, count($mysql_charsets))) {
|
|
$t_suffix = '_charset';
|
|
}
|
|
} elseif (PMA_STR_binarySearchInArr($d_cur, $mysql_charsets, $mysql_charsets_count)
|
|
|| PMA_STR_binarySearchInArr($d_cur, $mysql_collations_flat, $mysql_collations_count)
|
|
|| ($d_cur{0} == '_' && PMA_STR_binarySearchInArr(substr($d_cur, 1), $mysql_charsets, $mysql_charsets_count))) {
|
|
$t_suffix = '_charset';
|
|
} else {
|
|
// Do nothing
|
|
}
|
|
// check if present in the list of forbidden words
|
|
if ($t_suffix == '_reservedWord' && PMA_STR_binarySearchInArr($d_cur_upper, $PMA_SQPdata_forbidden_word, $PMA_SQPdata_forbidden_word_cnt)) {
|
|
$sql_array[$i]['forbidden'] = TRUE;
|
|
} else {
|
|
$sql_array[$i]['forbidden'] = FALSE;
|
|
}
|
|
$sql_array[$i]['type'] .= $t_suffix;
|
|
}
|
|
} // end for
|
|
|
|
// Stores the size of the array inside the array, as count() is a slow
|
|
// operation.
|
|
$sql_array['len'] = $arraysize;
|
|
|
|
// DEBUG echo 'After parsing<pre>'; print_r($sql_array); echo '</pre>';
|
|
// Sends the data back
|
|
return $sql_array;
|
|
} // end of the "PMA_SQP_parse()" function
|
|
|
|
/**
|
|
* Checks for token types being what we want...
|
|
*
|
|
* @param string String of type that we have
|
|
* @param string String of type that we want
|
|
*
|
|
* @return boolean result of check
|
|
*
|
|
* @access private
|
|
*/
|
|
function PMA_SQP_typeCheck($toCheck, $whatWeWant)
|
|
{
|
|
$typeSeperator = '_';
|
|
if (strcmp($whatWeWant, $toCheck) == 0) {
|
|
return TRUE;
|
|
} else {
|
|
if (strpos($whatWeWant, $typeSeperator) === FALSE) {
|
|
return strncmp($whatWeWant, $toCheck, strpos($toCheck, $typeSeperator)) == 0;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Analyzes SQL queries
|
|
*
|
|
* @param array The SQL queries
|
|
*
|
|
* @return array The analyzed SQL queries
|
|
*
|
|
* @access public
|
|
*/
|
|
function PMA_SQP_analyze($arr)
|
|
{
|
|
if ($arr == array()) {
|
|
return array();
|
|
}
|
|
$result = array();
|
|
$size = $arr['len'];
|
|
$subresult = array(
|
|
'querytype' => '',
|
|
'select_expr_clause'=> '', // the whole stuff between SELECT and FROM , except DISTINCT
|
|
'position_of_first_select' => '', // the array index
|
|
'from_clause'=> '',
|
|
'group_by_clause'=> '',
|
|
'order_by_clause'=> '',
|
|
'having_clause' => '',
|
|
'limit_clause' => '',
|
|
'where_clause' => '',
|
|
'where_clause_identifiers' => array(),
|
|
'unsorted_query' => '',
|
|
'queryflags' => array(),
|
|
'select_expr' => array(),
|
|
'table_ref' => array(),
|
|
'foreign_keys' => array(),
|
|
'create_table_fields' => array()
|
|
);
|
|
$subresult_empty = $subresult;
|
|
$seek_queryend = FALSE;
|
|
$seen_end_of_table_ref = FALSE;
|
|
$number_of_brackets_in_extract = 0;
|
|
$number_of_brackets_in_group_concat = 0;
|
|
|
|
$number_of_brackets = 0;
|
|
$in_subquery = false;
|
|
|
|
// for SELECT EXTRACT(YEAR_MONTH FROM CURDATE())
|
|
// we must not use CURDATE as a table_ref
|
|
// so we track wether we are in the EXTRACT()
|
|
$in_extract = FALSE;
|
|
|
|
// for GROUP_CONCAT(...)
|
|
$in_group_concat = FALSE;
|
|
|
|
/* Description of analyzer results by lem9
|
|
*
|
|
* db, table, column, alias
|
|
* ------------------------
|
|
*
|
|
* Inside the $subresult array, we create ['select_expr'] and ['table_ref'] arrays.
|
|
*
|
|
* The SELECT syntax (simplified) is
|
|
*
|
|
* SELECT
|
|
* select_expression,...
|
|
* [FROM [table_references]
|
|
*
|
|
*
|
|
* ['select_expr'] is filled with each expression, the key represents the
|
|
* expression position in the list (0-based) (so we don't lose track of
|
|
* multiple occurences of the same column).
|
|
*
|
|
* ['table_ref'] is filled with each table ref, same thing for the key.
|
|
*
|
|
* I create all sub-values empty, even if they are
|
|
* not present (for example no select_expression alias).
|
|
*
|
|
* There is a debug section at the end of loop #1, if you want to
|
|
* see the exact contents of select_expr and table_ref
|
|
*
|
|
* queryflags
|
|
* ----------
|
|
*
|
|
* In $subresult, array 'queryflags' is filled, according to what we
|
|
* find in the query.
|
|
*
|
|
* Currently, those are generated:
|
|
*
|
|
* ['queryflags']['need_confirm'] = 1; if the query needs confirmation
|
|
* ['queryflags']['select_from'] = 1; if this is a real SELECT...FROM
|
|
* ['queryflags']['distinct'] = 1; for a DISTINCT
|
|
* ['queryflags']['union'] = 1; for a UNION
|
|
* ['queryflags']['join'] = 1; for a JOIN
|
|
* ['queryflags']['offset'] = 1; for the presence of OFFSET
|
|
*
|
|
* query clauses
|
|
* -------------
|
|
*
|
|
* The select is splitted in those clauses:
|
|
* ['select_expr_clause']
|
|
* ['from_clause']
|
|
* ['group_by_clause']
|
|
* ['order_by_clause']
|
|
* ['having_clause']
|
|
* ['where_clause']
|
|
* ['limit_clause']
|
|
*
|
|
* The identifiers of the WHERE clause are put into the array
|
|
* ['where_clause_identifier']
|
|
*
|
|
* For a SELECT, the whole query without the ORDER BY clause is put into
|
|
* ['unsorted_query']
|
|
*
|
|
* foreign keys
|
|
* ------------
|
|
* The CREATE TABLE may contain FOREIGN KEY clauses, so they get
|
|
* analyzed and ['foreign_keys'] is an array filled with
|
|
* the constraint name, the index list,
|
|
* the REFERENCES table name and REFERENCES index list,
|
|
* and ON UPDATE | ON DELETE clauses
|
|
*
|
|
* position_of_first_select
|
|
* ------------------------
|
|
*
|
|
* The array index of the first SELECT we find. Will be used to
|
|
* insert a SQL_CALC_FOUND_ROWS.
|
|
*
|
|
* create_table_fields
|
|
* -------------------
|
|
*
|
|
* For now, mostly used to detect the DEFAULT CURRENT_TIMESTAMP and
|
|
* ON UPDATE CURRENT_TIMESTAMP clauses of the CREATE TABLE query.
|
|
* An array, each element is the identifier name.
|
|
* Note that for now, the timestamp_not_null element is created
|
|
* even for non-TIMESTAMP fields.
|
|
*
|
|
* Sub-elements: ['type'] which contains the column type
|
|
* optional (currently they are never false but can be absent):
|
|
* ['default_current_timestamp'] boolean
|
|
* ['on_update_current_timestamp'] boolean
|
|
* ['timestamp_not_null'] boolean
|
|
*
|
|
* section_before_limit, section_after_limit
|
|
* -----------------------------------------
|
|
*
|
|
* Marks the point of the query where we can insert a LIMIT clause;
|
|
* so the section_before_limit will contain the left part before
|
|
* a possible LIMIT clause
|
|
*
|
|
*
|
|
* End of description of analyzer results
|
|
*/
|
|
|
|
// must be sorted
|
|
// TODO: current logic checks for only one word, so I put only the
|
|
// first word of the reserved expressions that end a table ref;
|
|
// maybe this is not ok (the first word might mean something else)
|
|
// $words_ending_table_ref = array(
|
|
// 'FOR UPDATE',
|
|
// 'GROUP BY',
|
|
// 'HAVING',
|
|
// 'LIMIT',
|
|
// 'LOCK IN SHARE MODE',
|
|
// 'ORDER BY',
|
|
// 'PROCEDURE',
|
|
// 'UNION',
|
|
// 'WHERE'
|
|
// );
|
|
$words_ending_table_ref = array(
|
|
'FOR',
|
|
'GROUP',
|
|
'HAVING',
|
|
'LIMIT',
|
|
'LOCK',
|
|
'ORDER',
|
|
'PROCEDURE',
|
|
'UNION',
|
|
'WHERE'
|
|
);
|
|
$words_ending_table_ref_cnt = 9; //count($words_ending_table_ref);
|
|
|
|
$words_ending_clauses = array(
|
|
'FOR',
|
|
'LIMIT',
|
|
'LOCK',
|
|
'PROCEDURE',
|
|
'UNION'
|
|
);
|
|
$words_ending_clauses_cnt = 5; //count($words_ending_clauses);
|
|
|
|
|
|
|
|
|
|
// must be sorted
|
|
$supported_query_types = array(
|
|
'SELECT'
|
|
/*
|
|
// Support for these additional query types will come later on.
|
|
'DELETE',
|
|
'INSERT',
|
|
'REPLACE',
|
|
'TRUNCATE',
|
|
'UPDATE'
|
|
'EXPLAIN',
|
|
'DESCRIBE',
|
|
'SHOW',
|
|
'CREATE',
|
|
'SET',
|
|
'ALTER'
|
|
*/
|
|
);
|
|
$supported_query_types_cnt = count($supported_query_types);
|
|
|
|
// loop #1 for each token: select_expr, table_ref for SELECT
|
|
|
|
for ($i = 0; $i < $size; $i++) {
|
|
//DEBUG echo "Loop1 <b>" . $arr[$i]['data'] . "</b> (" . $arr[$i]['type'] . ")<br />";
|
|
|
|
// High speed seek for locating the end of the current query
|
|
if ($seek_queryend == TRUE) {
|
|
if ($arr[$i]['type'] == 'punct_queryend') {
|
|
$seek_queryend = FALSE;
|
|
} else {
|
|
continue;
|
|
} // end if (type == punct_queryend)
|
|
} // end if ($seek_queryend)
|
|
|
|
/**
|
|
* Note: do not split if this is a punct_queryend for the first and only query
|
|
* @todo when we find a UNION, should we split in another subresult?
|
|
*/
|
|
if ($arr[$i]['type'] == 'punct_queryend' && ($i + 1 != $size)) {
|
|
$result[] = $subresult;
|
|
$subresult = $subresult_empty;
|
|
continue;
|
|
} // end if (type == punct_queryend)
|
|
|
|
// ==============================================================
|
|
if ($arr[$i]['type'] == 'punct_bracket_open_round') {
|
|
$number_of_brackets++;
|
|
if ($in_extract) {
|
|
$number_of_brackets_in_extract++;
|
|
}
|
|
if ($in_group_concat) {
|
|
$number_of_brackets_in_group_concat++;
|
|
}
|
|
}
|
|
// ==============================================================
|
|
if ($arr[$i]['type'] == 'punct_bracket_close_round') {
|
|
$number_of_brackets--;
|
|
if ($number_of_brackets == 0) {
|
|
$in_subquery = false;
|
|
}
|
|
if ($in_extract) {
|
|
$number_of_brackets_in_extract--;
|
|
if ($number_of_brackets_in_extract == 0) {
|
|
$in_extract = FALSE;
|
|
}
|
|
}
|
|
if ($in_group_concat) {
|
|
$number_of_brackets_in_group_concat--;
|
|
if ($number_of_brackets_in_group_concat == 0) {
|
|
$in_group_concat = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($in_subquery) {
|
|
/**
|
|
* skip the subquery to avoid setting
|
|
* select_expr or table_ref with the contents
|
|
* of this subquery; this is to avoid a bug when
|
|
* trying to edit the results of
|
|
* select * from child where not exists (select id from
|
|
* parent where child.parent_id = parent.id);
|
|
*/
|
|
continue;
|
|
}
|
|
// ==============================================================
|
|
if ($arr[$i]['type'] == 'alpha_functionName') {
|
|
$upper_data = strtoupper($arr[$i]['data']);
|
|
if ($upper_data =='EXTRACT') {
|
|
$in_extract = TRUE;
|
|
$number_of_brackets_in_extract = 0;
|
|
}
|
|
if ($upper_data =='GROUP_CONCAT') {
|
|
$in_group_concat = TRUE;
|
|
$number_of_brackets_in_group_concat = 0;
|
|
}
|
|
}
|
|
|
|
// ==============================================================
|
|
if ($arr[$i]['type'] == 'alpha_reservedWord'
|
|
// && $arr[$i]['forbidden'] == FALSE) {
|
|
) {
|
|
// We don't know what type of query yet, so run this
|
|
if ($subresult['querytype'] == '') {
|
|
$subresult['querytype'] = strtoupper($arr[$i]['data']);
|
|
} // end if (querytype was empty)
|
|
|
|
// Check if we support this type of query
|
|
if (!PMA_STR_binarySearchInArr($subresult['querytype'], $supported_query_types, $supported_query_types_cnt)) {
|
|
// Skip ahead to the next one if we don't
|
|
$seek_queryend = TRUE;
|
|
continue;
|
|
} // end if (query not supported)
|
|
|
|
// upper once
|
|
$upper_data = strtoupper($arr[$i]['data']);
|
|
/**
|
|
* @todo reset for each query?
|
|
*/
|
|
|
|
if ($upper_data == 'SELECT') {
|
|
if ($number_of_brackets > 0) {
|
|
$in_subquery = true;
|
|
// this is a subquery so do not analyze inside it
|
|
continue;
|
|
}
|
|
$seen_from = FALSE;
|
|
$previous_was_identifier = FALSE;
|
|
$current_select_expr = -1;
|
|
$seen_end_of_table_ref = FALSE;
|
|
} // end if (data == SELECT)
|
|
|
|
if ($upper_data =='FROM' && !$in_extract) {
|
|
$current_table_ref = -1;
|
|
$seen_from = TRUE;
|
|
$previous_was_identifier = FALSE;
|
|
$save_table_ref = TRUE;
|
|
} // end if (data == FROM)
|
|
|
|
// here, do not 'continue' the loop, as we have more work for
|
|
// reserved words below
|
|
} // end if (type == alpha_reservedWord)
|
|
|
|
// ==============================
|
|
if ($arr[$i]['type'] == 'quote_backtick'
|
|
|| $arr[$i]['type'] == 'quote_double'
|
|
|| $arr[$i]['type'] == 'quote_single'
|
|
|| $arr[$i]['type'] == 'alpha_identifier'
|
|
|| ($arr[$i]['type'] == 'alpha_reservedWord'
|
|
&& $arr[$i]['forbidden'] == FALSE)) {
|
|
|
|
switch ($arr[$i]['type']) {
|
|
case 'alpha_identifier':
|
|
case 'alpha_reservedWord':
|
|
/**
|
|
* this is not a real reservedWord, because it's not
|
|
* present in the list of forbidden words, for example
|
|
* "storage" which can be used as an identifier
|
|
*
|
|
* @todo avoid the pretty printing in color in this case
|
|
*/
|
|
$identifier = $arr[$i]['data'];
|
|
break;
|
|
|
|
case 'quote_backtick':
|
|
case 'quote_double':
|
|
case 'quote_single':
|
|
$identifier = PMA_unQuote($arr[$i]['data']);
|
|
break;
|
|
} // end switch
|
|
|
|
if ($subresult['querytype'] == 'SELECT' && !$in_group_concat) {
|
|
if (!$seen_from) {
|
|
if ($previous_was_identifier && isset($chain)) {
|
|
// found alias for this select_expr, save it
|
|
// but only if we got something in $chain
|
|
// (for example, SELECT COUNT(*) AS cnt
|
|
// puts nothing in $chain, so we avoid
|
|
// setting the alias)
|
|
$alias_for_select_expr = $identifier;
|
|
} else {
|
|
$chain[] = $identifier;
|
|
$previous_was_identifier = TRUE;
|
|
|
|
} // end if !$previous_was_identifier
|
|
} else {
|
|
// ($seen_from)
|
|
if ($save_table_ref && !$seen_end_of_table_ref) {
|
|
if ($previous_was_identifier) {
|
|
// found alias for table ref
|
|
// save it for later
|
|
$alias_for_table_ref = $identifier;
|
|
} else {
|
|
$chain[] = $identifier;
|
|
$previous_was_identifier = TRUE;
|
|
|
|
} // end if ($previous_was_identifier)
|
|
} // end if ($save_table_ref &&!$seen_end_of_table_ref)
|
|
} // end if (!$seen_from)
|
|
} // end if (querytype SELECT)
|
|
} // end if (quote_backtick or double quote or alpha_identifier)
|
|
|
|
// ===================================
|
|
if ($arr[$i]['type'] == 'punct_qualifier') {
|
|
// to be able to detect an identifier following another
|
|
$previous_was_identifier = FALSE;
|
|
continue;
|
|
} // end if (punct_qualifier)
|
|
|
|
/**
|
|
* @todo check if 3 identifiers following one another -> error
|
|
*/
|
|
|
|
// s a v e a s e l e c t e x p r
|
|
// finding a list separator or FROM
|
|
// means that we must save the current chain of identifiers
|
|
// into a select expression
|
|
|
|
// for now, we only save a select expression if it contains
|
|
// at least one identifier, as we are interested in checking
|
|
// the columns and table names, so in "select * from persons",
|
|
// the "*" is not saved
|
|
|
|
if (isset($chain) && !$seen_end_of_table_ref
|
|
&& ((!$seen_from && $arr[$i]['type'] == 'punct_listsep')
|
|
|| ($arr[$i]['type'] == 'alpha_reservedWord' && $upper_data == 'FROM'))) {
|
|
$size_chain = count($chain);
|
|
$current_select_expr++;
|
|
$subresult['select_expr'][$current_select_expr] = array(
|
|
'expr' => '',
|
|
'alias' => '',
|
|
'db' => '',
|
|
'table_name' => '',
|
|
'table_true_name' => '',
|
|
'column' => ''
|
|
);
|
|
|
|
if (isset($alias_for_select_expr) && strlen($alias_for_select_expr)) {
|
|
// we had found an alias for this select expression
|
|
$subresult['select_expr'][$current_select_expr]['alias'] = $alias_for_select_expr;
|
|
unset($alias_for_select_expr);
|
|
}
|
|
// there is at least a column
|
|
$subresult['select_expr'][$current_select_expr]['column'] = $chain[$size_chain - 1];
|
|
$subresult['select_expr'][$current_select_expr]['expr'] = $chain[$size_chain - 1];
|
|
|
|
// maybe a table
|
|
if ($size_chain > 1) {
|
|
$subresult['select_expr'][$current_select_expr]['table_name'] = $chain[$size_chain - 2];
|
|
// we assume for now that this is also the true name
|
|
$subresult['select_expr'][$current_select_expr]['table_true_name'] = $chain[$size_chain - 2];
|
|
$subresult['select_expr'][$current_select_expr]['expr']
|
|
= $subresult['select_expr'][$current_select_expr]['table_name']
|
|
. '.' . $subresult['select_expr'][$current_select_expr]['expr'];
|
|
} // end if ($size_chain > 1)
|
|
|
|
// maybe a db
|
|
if ($size_chain > 2) {
|
|
$subresult['select_expr'][$current_select_expr]['db'] = $chain[$size_chain - 3];
|
|
$subresult['select_expr'][$current_select_expr]['expr']
|
|
= $subresult['select_expr'][$current_select_expr]['db']
|
|
. '.' . $subresult['select_expr'][$current_select_expr]['expr'];
|
|
} // end if ($size_chain > 2)
|
|
unset($chain);
|
|
|
|
/**
|
|
* @todo explain this:
|
|
*/
|
|
if (($arr[$i]['type'] == 'alpha_reservedWord')
|
|
&& ($upper_data != 'FROM')) {
|
|
$previous_was_identifier = TRUE;
|
|
}
|
|
|
|
} // end if (save a select expr)
|
|
|
|
|
|
//======================================
|
|
// s a v e a t a b l e r e f
|
|
//======================================
|
|
|
|
// maybe we just saw the end of table refs
|
|
// but the last table ref has to be saved
|
|
// or we are at the last token
|
|
// or we just got a reserved word
|
|
/**
|
|
* @todo there could be another query after this one
|
|
*/
|
|
|
|
if (isset($chain) && $seen_from && $save_table_ref
|
|
&& ($arr[$i]['type'] == 'punct_listsep'
|
|
|| ($arr[$i]['type'] == 'alpha_reservedWord' && $upper_data!="AS")
|
|
|| $seen_end_of_table_ref
|
|
|| $i==$size-1)) {
|
|
|
|
$size_chain = count($chain);
|
|
$current_table_ref++;
|
|
$subresult['table_ref'][$current_table_ref] = array(
|
|
'expr' => '',
|
|
'db' => '',
|
|
'table_name' => '',
|
|
'table_alias' => '',
|
|
'table_true_name' => ''
|
|
);
|
|
if (isset($alias_for_table_ref) && strlen($alias_for_table_ref)) {
|
|
$subresult['table_ref'][$current_table_ref]['table_alias'] = $alias_for_table_ref;
|
|
unset($alias_for_table_ref);
|
|
}
|
|
$subresult['table_ref'][$current_table_ref]['table_name'] = $chain[$size_chain - 1];
|
|
// we assume for now that this is also the true name
|
|
$subresult['table_ref'][$current_table_ref]['table_true_name'] = $chain[$size_chain - 1];
|
|
$subresult['table_ref'][$current_table_ref]['expr']
|
|
= $subresult['table_ref'][$current_table_ref]['table_name'];
|
|
// maybe a db
|
|
if ($size_chain > 1) {
|
|
$subresult['table_ref'][$current_table_ref]['db'] = $chain[$size_chain - 2];
|
|
$subresult['table_ref'][$current_table_ref]['expr']
|
|
= $subresult['table_ref'][$current_table_ref]['db']
|
|
. '.' . $subresult['table_ref'][$current_table_ref]['expr'];
|
|
} // end if ($size_chain > 1)
|
|
|
|
// add the table alias into the whole expression
|
|
$subresult['table_ref'][$current_table_ref]['expr']
|
|
.= ' ' . $subresult['table_ref'][$current_table_ref]['table_alias'];
|
|
|
|
unset($chain);
|
|
$previous_was_identifier = TRUE;
|
|
//continue;
|
|
|
|
} // end if (save a table ref)
|
|
|
|
|
|
// when we have found all table refs,
|
|
// for each table_ref alias, put the true name of the table
|
|
// in the corresponding select expressions
|
|
|
|
if (isset($current_table_ref) && ($seen_end_of_table_ref || $i == $size-1) && $subresult != $subresult_empty) {
|
|
for ($tr=0; $tr <= $current_table_ref; $tr++) {
|
|
$alias = $subresult['table_ref'][$tr]['table_alias'];
|
|
$truename = $subresult['table_ref'][$tr]['table_true_name'];
|
|
for ($se=0; $se <= $current_select_expr; $se++) {
|
|
if (isset($alias) && strlen($alias) && $subresult['select_expr'][$se]['table_true_name']
|
|
== $alias) {
|
|
$subresult['select_expr'][$se]['table_true_name']
|
|
= $truename;
|
|
} // end if (found the alias)
|
|
} // end for (select expressions)
|
|
|
|
} // end for (table refs)
|
|
} // end if (set the true names)
|
|
|
|
|
|
// e n d i n g l o o p #1
|
|
// set the $previous_was_identifier to FALSE if the current
|
|
// token is not an identifier
|
|
if (($arr[$i]['type'] != 'alpha_identifier')
|
|
&& ($arr[$i]['type'] != 'quote_double')
|
|
&& ($arr[$i]['type'] != 'quote_single')
|
|
&& ($arr[$i]['type'] != 'quote_backtick')) {
|
|
$previous_was_identifier = FALSE;
|
|
} // end if
|
|
|
|
// however, if we are on AS, we must keep the $previous_was_identifier
|
|
if (($arr[$i]['type'] == 'alpha_reservedWord')
|
|
&& ($upper_data == 'AS')) {
|
|
$previous_was_identifier = TRUE;
|
|
}
|
|
|
|
if (($arr[$i]['type'] == 'alpha_reservedWord')
|
|
&& ($upper_data =='ON' || $upper_data =='USING')) {
|
|
$save_table_ref = FALSE;
|
|
} // end if (data == ON)
|
|
|
|
if (($arr[$i]['type'] == 'alpha_reservedWord')
|
|
&& ($upper_data =='JOIN' || $upper_data =='FROM')) {
|
|
$save_table_ref = TRUE;
|
|
} // end if (data == JOIN)
|
|
|
|
/**
|
|
* no need to check the end of table ref if we already did
|
|
*
|
|
* @todo maybe add "&& $seen_from"
|
|
*/
|
|
if (!$seen_end_of_table_ref) {
|
|
// if this is the last token, it implies that we have
|
|
// seen the end of table references
|
|
// Check for the end of table references
|
|
//
|
|
// Note: if we are analyzing a GROUP_CONCAT clause,
|
|
// we might find a word that seems to indicate that
|
|
// we have found the end of table refs (like ORDER)
|
|
// but it's a modifier of the GROUP_CONCAT so
|
|
// it's not the real end of table refs
|
|
if (($i == $size-1)
|
|
|| ($arr[$i]['type'] == 'alpha_reservedWord'
|
|
&& !$in_group_concat
|
|
&& PMA_STR_binarySearchInArr($upper_data, $words_ending_table_ref, $words_ending_table_ref_cnt))) {
|
|
$seen_end_of_table_ref = TRUE;
|
|
// to be able to save the last table ref, but do not
|
|
// set it true if we found a word like "ON" that has
|
|
// already set it to false
|
|
if (isset($save_table_ref) && $save_table_ref != FALSE) {
|
|
$save_table_ref = TRUE;
|
|
} //end if
|
|
|
|
} // end if (check for end of table ref)
|
|
} //end if (!$seen_end_of_table_ref)
|
|
|
|
if ($seen_end_of_table_ref) {
|
|
$save_table_ref = FALSE;
|
|
} // end if
|
|
|
|
} // end for $i (loop #1)
|
|
|
|
//DEBUG
|
|
/*
|
|
if (isset($current_select_expr)) {
|
|
for ($trace=0; $trace<=$current_select_expr; $trace++) {
|
|
echo "<br />";
|
|
reset ($subresult['select_expr'][$trace]);
|
|
while (list ($key, $val) = each ($subresult['select_expr'][$trace]))
|
|
echo "sel expr $trace $key => $val<br />\n";
|
|
}
|
|
}
|
|
|
|
if (isset($current_table_ref)) {
|
|
echo "current_table_ref = " . $current_table_ref . "<br>";
|
|
for ($trace=0; $trace<=$current_table_ref; $trace++) {
|
|
|
|
echo "<br />";
|
|
reset ($subresult['table_ref'][$trace]);
|
|
while (list ($key, $val) = each ($subresult['table_ref'][$trace]))
|
|
echo "table ref $trace $key => $val<br />\n";
|
|
}
|
|
}
|
|
*/
|
|
// -------------------------------------------------------
|
|
|
|
|
|
// loop #2: - queryflags
|
|
// - querytype (for queries != 'SELECT')
|
|
// - section_before_limit, section_after_limit
|
|
//
|
|
// we will also need this queryflag in loop 2
|
|
// so set it here
|
|
if (isset($current_table_ref) && $current_table_ref > -1) {
|
|
$subresult['queryflags']['select_from'] = 1;
|
|
}
|
|
|
|
$section_before_limit = '';
|
|
$section_after_limit = '';
|
|
$seen_reserved_word = FALSE;
|
|
$seen_group = FALSE;
|
|
$seen_order = FALSE;
|
|
$in_group_by = FALSE; // true when we are inside the GROUP BY clause
|
|
$in_order_by = FALSE; // true when we are inside the ORDER BY clause
|
|
$in_having = FALSE; // true when we are inside the HAVING clause
|
|
$in_select_expr = FALSE; // true when we are inside the select expr clause
|
|
$in_where = FALSE; // true when we are inside the WHERE clause
|
|
$in_limit = FALSE; // true when we are inside the LIMIT clause
|
|
$before_limit = TRUE; // true when we are before the LIMIT clause
|
|
$after_limit = FALSE; // true when we are after the LIMIT clause
|
|
$in_from = FALSE; // true when we are in the FROM clause
|
|
$in_group_concat = FALSE;
|
|
$unsorted_query = '';
|
|
$first_reserved_word = '';
|
|
$current_identifier = '';
|
|
|
|
for ($i = 0; $i < $size; $i++) {
|
|
//DEBUG echo "Loop2 <b>" . $arr[$i]['data'] . "</b> (" . $arr[$i]['type'] . ")<br />";
|
|
|
|
// need_confirm
|
|
//
|
|
// check for reserved words that will have to generate
|
|
// a confirmation request later in sql.php
|
|
// the cases are:
|
|
// DROP TABLE
|
|
// DROP DATABASE
|
|
// ALTER TABLE... DROP
|
|
// DELETE FROM...
|
|
//
|
|
// this code is not used for confirmations coming from functions.js
|
|
|
|
/**
|
|
* @todo check for punct_queryend
|
|
* @todo verify C-style comments?
|
|
*/
|
|
if ($arr[$i]['type'] == 'comment_ansi') {
|
|
$before_limit = FALSE;
|
|
$after_limit = FALSE;
|
|
}
|
|
|
|
if ($arr[$i]['type'] == 'alpha_reservedWord') {
|
|
$upper_data = strtoupper($arr[$i]['data']);
|
|
if (!$seen_reserved_word) {
|
|
$first_reserved_word = $upper_data;
|
|
$subresult['querytype'] = $upper_data;
|
|
$seen_reserved_word = TRUE;
|
|
|
|
// if the first reserved word is DROP or DELETE,
|
|
// we know this is a query that needs to be confirmed
|
|
if ($first_reserved_word=='DROP'
|
|
|| $first_reserved_word == 'DELETE'
|
|
|| $first_reserved_word == 'TRUNCATE') {
|
|
$subresult['queryflags']['need_confirm'] = 1;
|
|
}
|
|
|
|
if ($first_reserved_word=='SELECT'){
|
|
$position_of_first_select = $i;
|
|
}
|
|
|
|
} else {
|
|
if ($upper_data == 'DROP' && $first_reserved_word == 'ALTER') {
|
|
$subresult['queryflags']['need_confirm'] = 1;
|
|
}
|
|
}
|
|
|
|
if ($upper_data == 'LIMIT') {
|
|
$in_limit = TRUE;
|
|
$limit_clause = '';
|
|
$before_limit = FALSE;
|
|
}
|
|
|
|
if ($upper_data == 'PROCEDURE') {
|
|
$in_limit = FALSE;
|
|
$after_limit = TRUE;
|
|
}
|
|
/**
|
|
* @todo set also to FALSE if we find FOR UPDATE or LOCK IN SHARE MODE
|
|
*/
|
|
if ($upper_data == 'SELECT') {
|
|
$in_select_expr = TRUE;
|
|
$select_expr_clause = '';
|
|
}
|
|
if ($upper_data == 'DISTINCT' && !$in_group_concat) {
|
|
$subresult['queryflags']['distinct'] = 1;
|
|
}
|
|
|
|
if ($upper_data == 'UNION') {
|
|
$subresult['queryflags']['union'] = 1;
|
|
}
|
|
|
|
if ($upper_data == 'JOIN') {
|
|
$subresult['queryflags']['join'] = 1;
|
|
}
|
|
|
|
if ($upper_data == 'OFFSET') {
|
|
$subresult['queryflags']['offset'] = 1;
|
|
}
|
|
|
|
// if this is a real SELECT...FROM
|
|
if ($upper_data == 'FROM' && isset($subresult['queryflags']['select_from']) && $subresult['queryflags']['select_from'] == 1) {
|
|
$in_from = TRUE;
|
|
$from_clause = '';
|
|
$in_select_expr = FALSE;
|
|
}
|
|
|
|
|
|
// (we could have less resetting of variables to FALSE
|
|
// if we trust that the query respects the standard
|
|
// MySQL order for clauses)
|
|
|
|
// we use $seen_group and $seen_order because we are looking
|
|
// for the BY
|
|
if ($upper_data == 'GROUP') {
|
|
$seen_group = TRUE;
|
|
$seen_order = FALSE;
|
|
$in_having = FALSE;
|
|
$in_order_by = FALSE;
|
|
$in_where = FALSE;
|
|
$in_select_expr = FALSE;
|
|
$in_from = FALSE;
|
|
}
|
|
if ($upper_data == 'ORDER' && !$in_group_concat) {
|
|
$seen_order = TRUE;
|
|
$seen_group = FALSE;
|
|
$in_having = FALSE;
|
|
$in_group_by = FALSE;
|
|
$in_where = FALSE;
|
|
$in_select_expr = FALSE;
|
|
$in_from = FALSE;
|
|
}
|
|
if ($upper_data == 'HAVING') {
|
|
$in_having = TRUE;
|
|
$having_clause = '';
|
|
$seen_group = FALSE;
|
|
$seen_order = FALSE;
|
|
$in_group_by = FALSE;
|
|
$in_order_by = FALSE;
|
|
$in_where = FALSE;
|
|
$in_select_expr = FALSE;
|
|
$in_from = FALSE;
|
|
}
|
|
|
|
if ($upper_data == 'WHERE') {
|
|
$in_where = TRUE;
|
|
$where_clause = '';
|
|
$where_clause_identifiers = array();
|
|
$seen_group = FALSE;
|
|
$seen_order = FALSE;
|
|
$in_group_by = FALSE;
|
|
$in_order_by = FALSE;
|
|
$in_having = FALSE;
|
|
$in_select_expr = FALSE;
|
|
$in_from = FALSE;
|
|
}
|
|
|
|
if ($upper_data == 'BY') {
|
|
if ($seen_group) {
|
|
$in_group_by = TRUE;
|
|
$group_by_clause = '';
|
|
}
|
|
if ($seen_order) {
|
|
$in_order_by = TRUE;
|
|
$order_by_clause = '';
|
|
}
|
|
}
|
|
|
|
// if we find one of the words that could end the clause
|
|
if (PMA_STR_binarySearchInArr($upper_data, $words_ending_clauses, $words_ending_clauses_cnt)) {
|
|
|
|
$in_group_by = FALSE;
|
|
$in_order_by = FALSE;
|
|
$in_having = FALSE;
|
|
$in_where = FALSE;
|
|
$in_select_expr = FALSE;
|
|
$in_from = FALSE;
|
|
}
|
|
|
|
} // endif (reservedWord)
|
|
|
|
|
|
// do not add a space after a function name
|
|
/**
|
|
* @todo can we combine loop 2 and loop 1? some code is repeated here...
|
|
*/
|
|
|
|
$sep = ' ';
|
|
if ($arr[$i]['type'] == 'alpha_functionName') {
|
|
$sep='';
|
|
$upper_data = strtoupper($arr[$i]['data']);
|
|
if ($upper_data =='GROUP_CONCAT') {
|
|
$in_group_concat = TRUE;
|
|
$number_of_brackets_in_group_concat = 0;
|
|
}
|
|
}
|
|
|
|
if ($arr[$i]['type'] == 'punct_bracket_open_round') {
|
|
if ($in_group_concat) {
|
|
$number_of_brackets_in_group_concat++;
|
|
}
|
|
}
|
|
if ($arr[$i]['type'] == 'punct_bracket_close_round') {
|
|
if ($in_group_concat) {
|
|
$number_of_brackets_in_group_concat--;
|
|
if ($number_of_brackets_in_group_concat == 0) {
|
|
$in_group_concat = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
// do not add a space after an identifier if followed by a dot
|
|
if ($arr[$i]['type'] == 'alpha_identifier' && $i < $size - 1 && $arr[$i + 1]['data'] == '.') {
|
|
$sep = '';
|
|
}
|
|
|
|
// do not add a space after a dot if followed by an identifier
|
|
if ($arr[$i]['data'] == '.' && $i < $size - 1 && $arr[$i + 1]['type'] == 'alpha_identifier') {
|
|
$sep = '';
|
|
}
|
|
|
|
if ($in_select_expr && $upper_data != 'SELECT' && $upper_data != 'DISTINCT') {
|
|
$select_expr_clause .= $arr[$i]['data'] . $sep;
|
|
}
|
|
if ($in_from && $upper_data != 'FROM') {
|
|
$from_clause .= $arr[$i]['data'] . $sep;
|
|
}
|
|
if ($in_group_by && $upper_data != 'GROUP' && $upper_data != 'BY') {
|
|
$group_by_clause .= $arr[$i]['data'] . $sep;
|
|
}
|
|
if ($in_order_by && $upper_data != 'ORDER' && $upper_data != 'BY') {
|
|
// add a space only before ASC or DESC
|
|
// not around the dot between dbname and tablename
|
|
if ($arr[$i]['type'] == 'alpha_reservedWord') {
|
|
$order_by_clause .= $sep;
|
|
}
|
|
$order_by_clause .= $arr[$i]['data'];
|
|
}
|
|
if ($in_having && $upper_data != 'HAVING') {
|
|
$having_clause .= $arr[$i]['data'] . $sep;
|
|
}
|
|
if ($in_where && $upper_data != 'WHERE') {
|
|
$where_clause .= $arr[$i]['data'] . $sep;
|
|
|
|
if (($arr[$i]['type'] == 'quote_backtick')
|
|
|| ($arr[$i]['type'] == 'alpha_identifier')) {
|
|
$where_clause_identifiers[] = $arr[$i]['data'];
|
|
}
|
|
}
|
|
|
|
if (isset($subresult['queryflags']['select_from'])
|
|
&& $subresult['queryflags']['select_from'] == 1
|
|
&& !$seen_order) {
|
|
$unsorted_query .= $arr[$i]['data'];
|
|
|
|
if ($arr[$i]['type'] != 'punct_bracket_open_round'
|
|
&& $arr[$i]['type'] != 'punct_bracket_close_round'
|
|
&& $arr[$i]['type'] != 'punct') {
|
|
$unsorted_query .= $sep;
|
|
}
|
|
}
|
|
|
|
if ($in_limit) {
|
|
if ($upper_data == 'OFFSET') {
|
|
$limit_clause .= $sep;
|
|
}
|
|
$limit_clause .= $arr[$i]['data'];
|
|
if ($upper_data == 'LIMIT' || $upper_data == 'OFFSET') {
|
|
$limit_clause .= $sep;
|
|
}
|
|
}
|
|
if (! $in_limit && $before_limit && $arr[$i]['type'] != 'punct_queryend') {
|
|
$section_before_limit .= $arr[$i]['data'] . $sep;
|
|
}
|
|
if ($after_limit) {
|
|
$section_after_limit .= $arr[$i]['data'] . $sep;
|
|
}
|
|
|
|
// clear $upper_data for next iteration
|
|
$upper_data='';
|
|
|
|
} // end for $i (loop #2)
|
|
|
|
|
|
// -----------------------------------------------------
|
|
// loop #3: foreign keys and MySQL 4.1.2+ TIMESTAMP options
|
|
// (for now, check only the first query)
|
|
// (for now, identifiers are assumed to be backquoted)
|
|
|
|
// If we find that we are dealing with a CREATE TABLE query,
|
|
// we look for the next punct_bracket_open_round, which
|
|
// introduces the fields list. Then, when we find a
|
|
// quote_backtick, it must be a field, so we put it into
|
|
// the create_table_fields array. Even if this field is
|
|
// not a timestamp, it will be useful when logic has been
|
|
// added for complete field attributes analysis.
|
|
|
|
$seen_foreign = FALSE;
|
|
$seen_references = FALSE;
|
|
$seen_constraint = FALSE;
|
|
$foreign_key_number = -1;
|
|
$seen_create_table = FALSE;
|
|
$seen_create = FALSE;
|
|
$in_create_table_fields = FALSE;
|
|
$brackets_level = 0;
|
|
$in_timestamp_options = FALSE;
|
|
$seen_default = FALSE;
|
|
|
|
for ($i = 0; $i < $size; $i++) {
|
|
// DEBUG echo "Loop 3 <b>" . $arr[$i]['data'] . "</b> " . $arr[$i]['type'] . "<br />";
|
|
|
|
if ($arr[$i]['type'] == 'alpha_reservedWord') {
|
|
$upper_data = strtoupper($arr[$i]['data']);
|
|
|
|
if ($upper_data == 'NOT' && $in_timestamp_options) {
|
|
$create_table_fields[$current_identifier]['timestamp_not_null'] = TRUE;
|
|
|
|
}
|
|
|
|
if ($upper_data == 'CREATE') {
|
|
$seen_create = TRUE;
|
|
}
|
|
|
|
if ($upper_data == 'TABLE' && $seen_create) {
|
|
$seen_create_table = TRUE;
|
|
$create_table_fields = array();
|
|
}
|
|
|
|
if ($upper_data == 'CURRENT_TIMESTAMP') {
|
|
if ($in_timestamp_options) {
|
|
if ($seen_default) {
|
|
$create_table_fields[$current_identifier]['default_current_timestamp'] = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($upper_data == 'CONSTRAINT') {
|
|
$foreign_key_number++;
|
|
$seen_foreign = FALSE;
|
|
$seen_references = FALSE;
|
|
$seen_constraint = TRUE;
|
|
}
|
|
if ($upper_data == 'FOREIGN') {
|
|
$seen_foreign = TRUE;
|
|
$seen_references = FALSE;
|
|
$seen_constraint = FALSE;
|
|
}
|
|
if ($upper_data == 'REFERENCES') {
|
|
$seen_foreign = FALSE;
|
|
$seen_references = TRUE;
|
|
$seen_constraint = FALSE;
|
|
}
|
|
|
|
|
|
// Cases covered:
|
|
|
|
// [ON DELETE {CASCADE | SET NULL | NO ACTION | RESTRICT}]
|
|
// [ON UPDATE {CASCADE | SET NULL | NO ACTION | RESTRICT}]
|
|
|
|
// but we set ['on_delete'] or ['on_cascade'] to
|
|
// CASCADE | SET_NULL | NO_ACTION | RESTRICT
|
|
|
|
// ON UPDATE CURRENT_TIMESTAMP
|
|
|
|
if ($upper_data == 'ON') {
|
|
if (isset($arr[$i+1]) && $arr[$i+1]['type'] == 'alpha_reservedWord') {
|
|
$second_upper_data = strtoupper($arr[$i+1]['data']);
|
|
if ($second_upper_data == 'DELETE') {
|
|
$clause = 'on_delete';
|
|
}
|
|
if ($second_upper_data == 'UPDATE') {
|
|
$clause = 'on_update';
|
|
}
|
|
if (isset($clause)
|
|
&& ($arr[$i+2]['type'] == 'alpha_reservedWord'
|
|
|
|
// ugly workaround because currently, NO is not
|
|
// in the list of reserved words in sqlparser.data
|
|
// (we got a bug report about not being able to use
|
|
// 'no' as an identifier)
|
|
|| ($arr[$i+2]['type'] == 'alpha_identifier'
|
|
&& strtoupper($arr[$i+2]['data'])=='NO'))
|
|
) {
|
|
$third_upper_data = strtoupper($arr[$i+2]['data']);
|
|
if ($third_upper_data == 'CASCADE'
|
|
|| $third_upper_data == 'RESTRICT') {
|
|
$value = $third_upper_data;
|
|
} elseif ($third_upper_data == 'SET'
|
|
|| $third_upper_data == 'NO') {
|
|
if ($arr[$i+3]['type'] == 'alpha_reservedWord') {
|
|
$value = $third_upper_data . '_' . strtoupper($arr[$i+3]['data']);
|
|
}
|
|
} elseif ($third_upper_data == 'CURRENT_TIMESTAMP') {
|
|
if ($clause == 'on_update'
|
|
&& $in_timestamp_options) {
|
|
$create_table_fields[$current_identifier]['on_update_current_timestamp'] = TRUE;
|
|
$seen_default = FALSE;
|
|
}
|
|
|
|
} else {
|
|
$value = '';
|
|
}
|
|
if (!empty($value)) {
|
|
$foreign[$foreign_key_number][$clause] = $value;
|
|
}
|
|
unset($clause);
|
|
} // endif (isset($clause))
|
|
}
|
|
}
|
|
|
|
} // end of reserved words analysis
|
|
|
|
|
|
if ($arr[$i]['type'] == 'punct_bracket_open_round') {
|
|
$brackets_level++;
|
|
if ($seen_create_table && $brackets_level == 1) {
|
|
$in_create_table_fields = TRUE;
|
|
}
|
|
}
|
|
|
|
|
|
if ($arr[$i]['type'] == 'punct_bracket_close_round') {
|
|
$brackets_level--;
|
|
if ($seen_references) {
|
|
$seen_references = FALSE;
|
|
}
|
|
if ($seen_create_table && $brackets_level == 0) {
|
|
$in_create_table_fields = FALSE;
|
|
}
|
|
}
|
|
|
|
if (($arr[$i]['type'] == 'alpha_columnAttrib')) {
|
|
$upper_data = strtoupper($arr[$i]['data']);
|
|
if ($seen_create_table && $in_create_table_fields) {
|
|
if ($upper_data == 'DEFAULT') {
|
|
$seen_default = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see @todo 2005-10-16 note: the "or" part here is a workaround for a bug
|
|
*/
|
|
if (($arr[$i]['type'] == 'alpha_columnType') || ($arr[$i]['type'] == 'alpha_functionName' && $seen_create_table)) {
|
|
$upper_data = strtoupper($arr[$i]['data']);
|
|
if ($seen_create_table && $in_create_table_fields && isset($current_identifier)) {
|
|
$create_table_fields[$current_identifier]['type'] = $upper_data;
|
|
if ($upper_data == 'TIMESTAMP') {
|
|
$arr[$i]['type'] = 'alpha_columnType';
|
|
$in_timestamp_options = TRUE;
|
|
} else {
|
|
$in_timestamp_options = FALSE;
|
|
if ($upper_data == 'CHAR') {
|
|
$arr[$i]['type'] = 'alpha_columnType';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if ($arr[$i]['type'] == 'quote_backtick' || $arr[$i]['type'] == 'alpha_identifier') {
|
|
|
|
if ($arr[$i]['type'] == 'quote_backtick') {
|
|
// remove backquotes
|
|
$identifier = PMA_unQuote($arr[$i]['data']);
|
|
} else {
|
|
$identifier = $arr[$i]['data'];
|
|
}
|
|
|
|
if ($seen_create_table && $in_create_table_fields) {
|
|
$current_identifier = $identifier;
|
|
// warning: we set this one even for non TIMESTAMP type
|
|
$create_table_fields[$current_identifier]['timestamp_not_null'] = FALSE;
|
|
}
|
|
|
|
if ($seen_constraint) {
|
|
$foreign[$foreign_key_number]['constraint'] = $identifier;
|
|
}
|
|
|
|
if ($seen_foreign && $brackets_level > 0) {
|
|
$foreign[$foreign_key_number]['index_list'][] = $identifier;
|
|
}
|
|
|
|
if ($seen_references) {
|
|
// here, the first bracket level corresponds to the
|
|
// bracket of CREATE TABLE
|
|
// so if we are on level 2, it must be the index list
|
|
// of the foreign key REFERENCES
|
|
if ($brackets_level > 1) {
|
|
$foreign[$foreign_key_number]['ref_index_list'][] = $identifier;
|
|
} else {
|
|
// for MySQL 4.0.18, identifier is
|
|
// `table` or `db`.`table`
|
|
// the first pass will pick the db name
|
|
// the next pass will execute the else and pick the
|
|
// db name in $db_table[0]
|
|
if ($arr[$i+1]['type'] == 'punct_qualifier') {
|
|
$foreign[$foreign_key_number]['ref_db_name'] = $identifier;
|
|
} else {
|
|
// for MySQL 4.0.16, identifier is
|
|
// `table` or `db.table`
|
|
$db_table = explode('.', $identifier);
|
|
if (isset($db_table[1])) {
|
|
$foreign[$foreign_key_number]['ref_db_name'] = $db_table[0];
|
|
$foreign[$foreign_key_number]['ref_table_name'] = $db_table[1];
|
|
} else {
|
|
$foreign[$foreign_key_number]['ref_table_name'] = $db_table[0];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} // end for $i (loop #3)
|
|
|
|
|
|
// Fill the $subresult array
|
|
|
|
if (isset($create_table_fields)) {
|
|
$subresult['create_table_fields'] = $create_table_fields;
|
|
}
|
|
|
|
if (isset($foreign)) {
|
|
$subresult['foreign_keys'] = $foreign;
|
|
}
|
|
|
|
if (isset($select_expr_clause)) {
|
|
$subresult['select_expr_clause'] = $select_expr_clause;
|
|
}
|
|
if (isset($from_clause)) {
|
|
$subresult['from_clause'] = $from_clause;
|
|
}
|
|
if (isset($group_by_clause)) {
|
|
$subresult['group_by_clause'] = $group_by_clause;
|
|
}
|
|
if (isset($order_by_clause)) {
|
|
$subresult['order_by_clause'] = $order_by_clause;
|
|
}
|
|
if (isset($having_clause)) {
|
|
$subresult['having_clause'] = $having_clause;
|
|
}
|
|
if (isset($limit_clause)) {
|
|
$subresult['limit_clause'] = $limit_clause;
|
|
}
|
|
if (isset($where_clause)) {
|
|
$subresult['where_clause'] = $where_clause;
|
|
}
|
|
if (isset($unsorted_query) && !empty($unsorted_query)) {
|
|
$subresult['unsorted_query'] = $unsorted_query;
|
|
}
|
|
if (isset($where_clause_identifiers)) {
|
|
$subresult['where_clause_identifiers'] = $where_clause_identifiers;
|
|
}
|
|
|
|
if (isset($position_of_first_select)) {
|
|
$subresult['position_of_first_select'] = $position_of_first_select;
|
|
$subresult['section_before_limit'] = $section_before_limit;
|
|
$subresult['section_after_limit'] = $section_after_limit;
|
|
}
|
|
|
|
// They are naughty and didn't have a trailing semi-colon,
|
|
// then still handle it properly
|
|
if ($subresult['querytype'] != '') {
|
|
$result[] = $subresult;
|
|
}
|
|
return $result;
|
|
} // end of the "PMA_SQP_analyze()" function
|
|
|
|
|
|
/**
|
|
* Colorizes SQL queries html formatted
|
|
*
|
|
* @todo check why adding a "\n" after the </span> would cause extra blanks
|
|
* to be displayed: SELECT p . person_name
|
|
* @param array The SQL queries html formatted
|
|
*
|
|
* @return array The colorized SQL queries
|
|
*
|
|
* @access public
|
|
*/
|
|
function PMA_SQP_formatHtml_colorize($arr)
|
|
{
|
|
$i = $GLOBALS['PMA_strpos']($arr['type'], '_');
|
|
$class = '';
|
|
if ($i > 0) {
|
|
$class = 'syntax_' . PMA_substr($arr['type'], 0, $i) . ' ';
|
|
}
|
|
|
|
$class .= 'syntax_' . $arr['type'];
|
|
|
|
return '<span class="' . $class . '">' . htmlspecialchars($arr['data']) . '</span>';
|
|
} // end of the "PMA_SQP_formatHtml_colorize()" function
|
|
|
|
|
|
/**
|
|
* Formats SQL queries to html
|
|
*
|
|
* @param array The SQL queries
|
|
* @param string mode
|
|
* @param integer starting token
|
|
* @param integer number of tokens to format, -1 = all
|
|
*
|
|
* @return string The formatted SQL queries
|
|
*
|
|
* @access public
|
|
*/
|
|
function PMA_SQP_formatHtml($arr, $mode='color', $start_token=0,
|
|
$number_of_tokens=-1)
|
|
{
|
|
//DEBUG echo 'in Format<pre>'; print_r($arr); echo '</pre>';
|
|
// then check for an array
|
|
if (!is_array($arr)) {
|
|
return htmlspecialchars($arr);
|
|
}
|
|
// first check for the SQL parser having hit an error
|
|
if (PMA_SQP_isError()) {
|
|
return htmlspecialchars($arr['raw']);
|
|
}
|
|
// else do it properly
|
|
switch ($mode) {
|
|
case 'color':
|
|
$str = '<span class="syntax">';
|
|
$html_line_break = '<br />';
|
|
break;
|
|
case 'query_only':
|
|
$str = '';
|
|
$html_line_break = "\n";
|
|
break;
|
|
case 'text':
|
|
$str = '';
|
|
$html_line_break = '<br />';
|
|
break;
|
|
} // end switch
|
|
$indent = 0;
|
|
$bracketlevel = 0;
|
|
$functionlevel = 0;
|
|
$infunction = FALSE;
|
|
$space_punct_listsep = ' ';
|
|
$space_punct_listsep_function_name = ' ';
|
|
// $space_alpha_reserved_word = '<br />'."\n";
|
|
$space_alpha_reserved_word = ' ';
|
|
|
|
$keywords_with_brackets_1before = array(
|
|
'INDEX',
|
|
'KEY',
|
|
'ON',
|
|
'USING'
|
|
);
|
|
$keywords_with_brackets_1before_cnt = 4;
|
|
|
|
$keywords_with_brackets_2before = array(
|
|
'IGNORE',
|
|
'INDEX',
|
|
'INTO',
|
|
'KEY',
|
|
'PRIMARY',
|
|
'PROCEDURE',
|
|
'REFERENCES',
|
|
'UNIQUE',
|
|
'USE'
|
|
);
|
|
// $keywords_with_brackets_2before_cnt = count($keywords_with_brackets_2before);
|
|
$keywords_with_brackets_2before_cnt = 9;
|
|
|
|
// These reserved words do NOT get a newline placed near them.
|
|
$keywords_no_newline = array(
|
|
'AS',
|
|
'ASC',
|
|
'DESC',
|
|
'DISTINCT',
|
|
'DUPLICATE',
|
|
'HOUR',
|
|
'INTERVAL',
|
|
'IS',
|
|
'LIKE',
|
|
'NOT',
|
|
'NULL',
|
|
'ON',
|
|
'REGEXP'
|
|
);
|
|
$keywords_no_newline_cnt = 12;
|
|
|
|
// These reserved words introduce a privilege list
|
|
$keywords_priv_list = array(
|
|
'GRANT',
|
|
'REVOKE'
|
|
);
|
|
$keywords_priv_list_cnt = 2;
|
|
|
|
if ($number_of_tokens == -1) {
|
|
$arraysize = $arr['len'];
|
|
} else {
|
|
$arraysize = $number_of_tokens;
|
|
}
|
|
$typearr = array();
|
|
if ($arraysize >= 0) {
|
|
$typearr[0] = '';
|
|
$typearr[1] = '';
|
|
$typearr[2] = '';
|
|
//$typearr[3] = $arr[0]['type'];
|
|
$typearr[3] = $arr[$start_token]['type'];
|
|
}
|
|
|
|
$in_priv_list = FALSE;
|
|
for ($i = $start_token; $i < $arraysize; $i++) {
|
|
// DEBUG echo "Loop format <b>" . $arr[$i]['data'] . "</b> " . $arr[$i]['type'] . "<br />";
|
|
$before = '';
|
|
$after = '';
|
|
$indent = 0;
|
|
// array_shift($typearr);
|
|
/*
|
|
0 prev2
|
|
1 prev
|
|
2 current
|
|
3 next
|
|
*/
|
|
if (($i + 1) < $arraysize) {
|
|
// array_push($typearr, $arr[$i + 1]['type']);
|
|
$typearr[4] = $arr[$i + 1]['type'];
|
|
} else {
|
|
//array_push($typearr, null);
|
|
$typearr[4] = '';
|
|
}
|
|
|
|
for ($j=0; $j<4; $j++) {
|
|
$typearr[$j] = $typearr[$j + 1];
|
|
}
|
|
|
|
switch ($typearr[2]) {
|
|
case 'white_newline':
|
|
$before = '';
|
|
break;
|
|
case 'punct_bracket_open_round':
|
|
$bracketlevel++;
|
|
$infunction = FALSE;
|
|
// Make sure this array is sorted!
|
|
if (($typearr[1] == 'alpha_functionName') || ($typearr[1] == 'alpha_columnType') || ($typearr[1] == 'punct')
|
|
|| ($typearr[3] == 'digit_integer') || ($typearr[3] == 'digit_hex') || ($typearr[3] == 'digit_float')
|
|
|| (($typearr[0] == 'alpha_reservedWord')
|
|
&& PMA_STR_binarySearchInArr(strtoupper($arr[$i - 2]['data']), $keywords_with_brackets_2before, $keywords_with_brackets_2before_cnt))
|
|
|| (($typearr[1] == 'alpha_reservedWord')
|
|
&& PMA_STR_binarySearchInArr(strtoupper($arr[$i - 1]['data']), $keywords_with_brackets_1before, $keywords_with_brackets_1before_cnt))
|
|
) {
|
|
$functionlevel++;
|
|
$infunction = TRUE;
|
|
$after .= ' ';
|
|
} else {
|
|
$indent++;
|
|
$after .= ($mode != 'query_only' ? '<div class="syntax_indent' . $indent . '">' : ' ');
|
|
}
|
|
break;
|
|
case 'alpha_identifier':
|
|
if (($typearr[1] == 'punct_qualifier') || ($typearr[3] == 'punct_qualifier')) {
|
|
$after = '';
|
|
$before = '';
|
|
}
|
|
if (($typearr[3] == 'alpha_columnType') || ($typearr[3] == 'alpha_identifier')) {
|
|
$after .= ' ';
|
|
}
|
|
break;
|
|
case 'punct_user':
|
|
case 'punct_qualifier':
|
|
$before = '';
|
|
$after = '';
|
|
break;
|
|
case 'punct_listsep':
|
|
if ($infunction == TRUE) {
|
|
$after .= $space_punct_listsep_function_name;
|
|
} else {
|
|
$after .= $space_punct_listsep;
|
|
}
|
|
break;
|
|
case 'punct_queryend':
|
|
if (($typearr[3] != 'comment_mysql') && ($typearr[3] != 'comment_ansi') && $typearr[3] != 'comment_c') {
|
|
$after .= $html_line_break;
|
|
$after .= $html_line_break;
|
|
}
|
|
$space_punct_listsep = ' ';
|
|
$space_punct_listsep_function_name = ' ';
|
|
$space_alpha_reserved_word = ' ';
|
|
$in_priv_list = FALSE;
|
|
break;
|
|
case 'comment_mysql':
|
|
case 'comment_ansi':
|
|
$after .= $html_line_break;
|
|
break;
|
|
case 'punct':
|
|
$before .= ' ';
|
|
// workaround for
|
|
// select * from mytable limit 0,-1
|
|
// (a side effect of this workaround is that
|
|
// select 20 - 9
|
|
// becomes
|
|
// select 20 -9
|
|
// )
|
|
if ($typearr[3] != 'digit_integer') {
|
|
$after .= ' ';
|
|
}
|
|
break;
|
|
case 'punct_bracket_close_round':
|
|
$bracketlevel--;
|
|
if ($infunction == TRUE) {
|
|
$functionlevel--;
|
|
$after .= ' ';
|
|
$before .= ' ';
|
|
} else {
|
|
$indent--;
|
|
$before .= ($mode != 'query_only' ? '</div>' : ' ');
|
|
}
|
|
$infunction = ($functionlevel > 0) ? TRUE : FALSE;
|
|
break;
|
|
case 'alpha_columnType':
|
|
if ($typearr[3] == 'alpha_columnAttrib') {
|
|
$after .= ' ';
|
|
}
|
|
if ($typearr[1] == 'alpha_columnType') {
|
|
$before .= ' ';
|
|
}
|
|
break;
|
|
case 'alpha_columnAttrib':
|
|
|
|
// ALTER TABLE tbl_name AUTO_INCREMENT = 1
|
|
// COLLATE LATIN1_GENERAL_CI DEFAULT
|
|
if ($typearr[1] == 'alpha_identifier' || $typearr[1] == 'alpha_charset') {
|
|
$before .= ' ';
|
|
}
|
|
if (($typearr[3] == 'alpha_columnAttrib') || ($typearr[3] == 'quote_single') || ($typearr[3] == 'digit_integer')) {
|
|
$after .= ' ';
|
|
}
|
|
// workaround for
|
|
// AUTO_INCREMENT = 31DEFAULT_CHARSET = utf-8
|
|
|
|
if ($typearr[2] == 'alpha_columnAttrib' && $typearr[3] == 'alpha_reservedWord') {
|
|
$before .= ' ';
|
|
}
|
|
// workaround for
|
|
// select * from mysql.user where binary user="root"
|
|
// binary is marked as alpha_columnAttrib
|
|
// but should be marked as a reserved word
|
|
if (strtoupper($arr[$i]['data']) == 'BINARY'
|
|
&& $typearr[3] == 'alpha_identifier') {
|
|
$after .= ' ';
|
|
}
|
|
break;
|
|
case 'alpha_reservedWord':
|
|
// do not uppercase the reserved word if we are calling
|
|
// this function in query_only mode, because we need
|
|
// the original query (otherwise we get problems with
|
|
// semi-reserved words like "storage" which is legal
|
|
// as an identifier name)
|
|
|
|
if ($mode != 'query_only') {
|
|
$arr[$i]['data'] = strtoupper($arr[$i]['data']);
|
|
}
|
|
|
|
if ((($typearr[1] != 'alpha_reservedWord')
|
|
|| (($typearr[1] == 'alpha_reservedWord')
|
|
&& PMA_STR_binarySearchInArr(strtoupper($arr[$i - 1]['data']), $keywords_no_newline, $keywords_no_newline_cnt)))
|
|
&& ($typearr[1] != 'punct_level_plus')
|
|
&& (!PMA_STR_binarySearchInArr($arr[$i]['data'], $keywords_no_newline, $keywords_no_newline_cnt))) {
|
|
// do not put a space before the first token, because
|
|
// we use a lot of eregi() checking for the first
|
|
// reserved word at beginning of query
|
|
// so do not put a newline before
|
|
//
|
|
// also we must not be inside a privilege list
|
|
if ($i > 0) {
|
|
// the alpha_identifier exception is there to
|
|
// catch cases like
|
|
// GRANT SELECT ON mydb.mytable TO myuser@localhost
|
|
// (else, we get mydb.mytableTO)
|
|
//
|
|
// the quote_single exception is there to
|
|
// catch cases like
|
|
// GRANT ... TO 'marc'@'domain.com' IDENTIFIED...
|
|
/**
|
|
* @todo fix all cases and find why this happens
|
|
*/
|
|
|
|
if (!$in_priv_list || $typearr[1] == 'alpha_identifier' || $typearr[1] == 'quote_single' || $typearr[1] == 'white_newline') {
|
|
$before .= $space_alpha_reserved_word;
|
|
}
|
|
} else {
|
|
// on first keyword, check if it introduces a
|
|
// privilege list
|
|
if (PMA_STR_binarySearchInArr($arr[$i]['data'], $keywords_priv_list, $keywords_priv_list_cnt)) {
|
|
$in_priv_list = TRUE;
|
|
}
|
|
}
|
|
} else {
|
|
$before .= ' ';
|
|
}
|
|
|
|
switch ($arr[$i]['data']) {
|
|
case 'CREATE':
|
|
if (!$in_priv_list) {
|
|
$space_punct_listsep = $html_line_break;
|
|
$space_alpha_reserved_word = ' ';
|
|
}
|
|
break;
|
|
case 'EXPLAIN':
|
|
case 'DESCRIBE':
|
|
case 'SET':
|
|
case 'ALTER':
|
|
case 'DELETE':
|
|
case 'SHOW':
|
|
case 'DROP':
|
|
case 'UPDATE':
|
|
case 'TRUNCATE':
|
|
case 'ANALYZE':
|
|
case 'ANALYSE':
|
|
if (!$in_priv_list) {
|
|
$space_punct_listsep = $html_line_break;
|
|
$space_alpha_reserved_word = ' ';
|
|
}
|
|
break;
|
|
case 'INSERT':
|
|
case 'REPLACE':
|
|
if (!$in_priv_list) {
|
|
$space_punct_listsep = $html_line_break;
|
|
$space_alpha_reserved_word = $html_line_break;
|
|
}
|
|
break;
|
|
case 'VALUES':
|
|
$space_punct_listsep = ' ';
|
|
$space_alpha_reserved_word = $html_line_break;
|
|
break;
|
|
case 'SELECT':
|
|
$space_punct_listsep = ' ';
|
|
$space_alpha_reserved_word = $html_line_break;
|
|
break;
|
|
default:
|
|
break;
|
|
} // end switch ($arr[$i]['data'])
|
|
|
|
$after .= ' ';
|
|
break;
|
|
case 'digit_integer':
|
|
case 'digit_float':
|
|
case 'digit_hex':
|
|
/**
|
|
* @todo could there be other types preceding a digit?
|
|
*/
|
|
if ($typearr[1] == 'alpha_reservedWord') {
|
|
$after .= ' ';
|
|
}
|
|
if ($infunction && $typearr[3] == 'punct_bracket_close_round') {
|
|
$after .= ' ';
|
|
}
|
|
if ($typearr[1] == 'alpha_columnAttrib') {
|
|
$before .= ' ';
|
|
}
|
|
break;
|
|
case 'alpha_variable':
|
|
$after = ' ';
|
|
break;
|
|
case 'quote_double':
|
|
case 'quote_single':
|
|
// workaround: for the query
|
|
// REVOKE SELECT ON `base2\_db`.* FROM 'user'@'%'
|
|
// the @ is incorrectly marked as alpha_variable
|
|
// in the parser, and here, the '%' gets a blank before,
|
|
// which is a syntax error
|
|
if ($typearr[1] != 'punct_user') {
|
|
$before .= ' ';
|
|
}
|
|
if ($infunction && $typearr[3] == 'punct_bracket_close_round') {
|
|
$after .= ' ';
|
|
}
|
|
break;
|
|
case 'quote_backtick':
|
|
// here we check for punct_user to handle correctly
|
|
// DEFINER = `username`@`%`
|
|
// where @ is the punct_user and `%` is the quote_backtick
|
|
if ($typearr[3] != 'punct_qualifier' && $typearr[3] != 'alpha_variable' && $typearr[3] != 'punct_user') {
|
|
$after .= ' ';
|
|
}
|
|
if ($typearr[1] != 'punct_qualifier' && $typearr[1] != 'alpha_variable' && $typearr[1] != 'punct_user') {
|
|
$before .= ' ';
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
} // end switch ($typearr[2])
|
|
|
|
/*
|
|
if ($typearr[3] != 'punct_qualifier') {
|
|
$after .= ' ';
|
|
}
|
|
$after .= "\n";
|
|
*/
|
|
$str .= $before . ($mode=='color' ? PMA_SQP_formatHTML_colorize($arr[$i]) : $arr[$i]['data']). $after;
|
|
} // end for
|
|
if ($mode=='color') {
|
|
$str .= '</span>';
|
|
}
|
|
|
|
return $str;
|
|
} // end of the "PMA_SQP_formatHtml()" function
|
|
}
|
|
|
|
/**
|
|
* Builds a CSS rule used for html formatted SQL queries
|
|
*
|
|
* @param string The class name
|
|
* @param string The property name
|
|
* @param string The property value
|
|
*
|
|
* @return string The CSS rule
|
|
*
|
|
* @access public
|
|
*
|
|
* @see PMA_SQP_buildCssData()
|
|
*/
|
|
function PMA_SQP_buildCssRule($classname, $property, $value)
|
|
{
|
|
$str = '.' . $classname . ' {';
|
|
if ($value != '') {
|
|
$str .= $property . ': ' . $value . ';';
|
|
}
|
|
$str .= '}' . "\n";
|
|
|
|
return $str;
|
|
} // end of the "PMA_SQP_buildCssRule()" function
|
|
|
|
|
|
/**
|
|
* Builds CSS rules used for html formatted SQL queries
|
|
*
|
|
* @return string The CSS rules set
|
|
*
|
|
* @access public
|
|
*
|
|
* @global array The current PMA configuration
|
|
*
|
|
* @see PMA_SQP_buildCssRule()
|
|
*/
|
|
function PMA_SQP_buildCssData()
|
|
{
|
|
global $cfg;
|
|
|
|
$css_string = '';
|
|
foreach ($cfg['SQP']['fmtColor'] AS $key => $col) {
|
|
$css_string .= PMA_SQP_buildCssRule('syntax_' . $key, 'color', $col);
|
|
}
|
|
|
|
for ($i = 0; $i < 8; $i++) {
|
|
$css_string .= PMA_SQP_buildCssRule('syntax_indent' . $i, 'margin-left', ($i * $cfg['SQP']['fmtInd']) . $cfg['SQP']['fmtIndUnit']);
|
|
}
|
|
|
|
return $css_string;
|
|
} // end of the "PMA_SQP_buildCssData()" function
|
|
|
|
if (! defined('PMA_MINIMUM_COMMON')) {
|
|
/**
|
|
* Gets SQL queries with no format
|
|
*
|
|
* @param array The SQL queries list
|
|
*
|
|
* @return string The SQL queries with no format
|
|
*
|
|
* @access public
|
|
*/
|
|
function PMA_SQP_formatNone($arr)
|
|
{
|
|
$formatted_sql = htmlspecialchars($arr['raw']);
|
|
$formatted_sql = preg_replace("@((\015\012)|(\015)|(\012)){3,}@", "\n\n", $formatted_sql);
|
|
|
|
return $formatted_sql;
|
|
} // end of the "PMA_SQP_formatNone()" function
|
|
|
|
|
|
/**
|
|
* Gets SQL queries in text format
|
|
*
|
|
* @todo WRITE THIS!
|
|
* @param array The SQL queries list
|
|
*
|
|
* @return string The SQL queries in text format
|
|
*
|
|
* @access public
|
|
*/
|
|
function PMA_SQP_formatText($arr)
|
|
{
|
|
return PMA_SQP_formatNone($arr);
|
|
} // end of the "PMA_SQP_formatText()" function
|
|
} // end if: minimal common.lib needed?
|
|
|
|
?>
|