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[phpmyadmin-themes.git] / libraries / parse_analyze.lib.php
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1 <?php
2 /* vim: set expandtab sw=4 ts=4 sts=4: */
3 /**
5 * @package phpMyAdmin
6 */
7 if (! defined('PHPMYADMIN')) {
8 exit;
11 /**
14 $GLOBALS['unparsed_sql'] = $sql_query;
15 $parsed_sql = PMA_SQP_parse($sql_query);
16 $analyzed_sql = PMA_SQP_analyze($parsed_sql);
18 // for bug 780516: now that we use case insensitive preg_match
19 // or flags from the analyser, do not put back the reformatted query
20 // into $sql_query, to make this kind of query work without
21 // capitalizing keywords:
23 // CREATE TABLE SG_Persons (
24 // id int(10) unsigned NOT NULL auto_increment,
25 // first varchar(64) NOT NULL default '',
26 // PRIMARY KEY (`id`)
27 // )
29 // check for a real SELECT ... FROM
30 $is_select = isset($analyzed_sql[0]['queryflags']['select_from']);
32 // If the query is a Select, extract the db and table names and modify
33 // $db and $table, to have correct page headers, links and left frame.
34 // db and table name may be enclosed with backquotes, db is optionnal,
35 // query may contain aliases.
37 /**
38 * @todo if there are more than one table name in the Select:
39 * - do not extract the first table name
40 * - do not show a table name in the page header
41 * - do not display the sub-pages links)
43 if ($is_select) {
44 $prev_db = $db;
45 if (isset($analyzed_sql[0]['table_ref'][0]['table_true_name'])) {
46 $table = $analyzed_sql[0]['table_ref'][0]['table_true_name'];
48 if (isset($analyzed_sql[0]['table_ref'][0]['db'])
49 && strlen($analyzed_sql[0]['table_ref'][0]['db'])) {
50 $db = $analyzed_sql[0]['table_ref'][0]['db'];
51 } else {
52 $db = $prev_db;
54 // Nijel: don't change reload, if we already decided to reload in import
55 if (empty($reload)) {
56 $reload = ($db == $prev_db) ? 0 : 1;