105 lines
3.3 KiB
PHP
105 lines
3.3 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Parse and analyse a SQL query
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*
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* @package PhpMyAdmin
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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/**
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*
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*/
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$GLOBALS['unparsed_sql'] = $sql_query;
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$parsed_sql = PMA_SQP_parse($sql_query);
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$analyzed_sql = PMA_SQP_analyze($parsed_sql);
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// for bug 780516: now that we use case insensitive preg_match
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// or flags from the analyser, do not put back the reformatted query
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// into $sql_query, to make this kind of query work without
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// capitalizing keywords:
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//
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// CREATE TABLE SG_Persons (
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// id int(10) unsigned NOT NULL auto_increment,
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// first varchar(64) NOT NULL default '',
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// PRIMARY KEY (`id`)
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// )
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// Fills some variables from the analysed SQL
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// A table has to be created, renamed, dropped -> navi frame should be reloaded
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$reload = isset($analyzed_sql[0]['queryflags']['reload']);
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// check for drop database
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$drop_database = isset($analyzed_sql[0]['queryflags']['drop_database']);
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// for the presence of EXPLAIN
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$is_explain = isset($analyzed_sql[0]['queryflags']['is_explain']);
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// for the presence of DELETE
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$is_delete = isset($analyzed_sql[0]['queryflags']['is_delete']);
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// for the presence of UPDATE, DELETE or INSERT|LOAD DATA|REPLACE
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$is_affected = isset($analyzed_sql[0]['queryflags']['is_affected']);
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// for the presence of REPLACE
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$is_replace = isset($analyzed_sql[0]['queryflags']['is_replace']);
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// for the presence of INSERT
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$is_insert = isset($analyzed_sql[0]['queryflags']['is_insert']);
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// for the presence of CHECK|ANALYZE|REPAIR|OPTIMIZE TABLE
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$is_maint = isset($analyzed_sql[0]['queryflags']['is_maint']);
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// for the presence of SHOW
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$is_show = isset($analyzed_sql[0]['queryflags']['is_show']);
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// for the presence of PRRCEDURE ANALYSE
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$is_analyse = isset($analyzed_sql[0]['queryflags']['is_analyse']);
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// for the presence of INTO OUTFILE
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$is_export = isset($analyzed_sql[0]['queryflags']['is_export']);
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// for the presence of GROUP BY|HAVING|SELECT DISTINCT
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$is_group = isset($analyzed_sql[0]['queryflags']['is_group']);
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// for the presence of SUM|AVG|STD|STDDEV|MIN|MAX|BIT_OR|BIT_AND
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$is_func = isset($analyzed_sql[0]['queryflags']['is_func']);
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// for the presence of SELECT COUNT
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$is_count = isset($analyzed_sql[0]['queryflags']['is_count']);
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// check for a real SELECT ... FROM
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$is_select = isset($analyzed_sql[0]['queryflags']['select_from']);
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// If the query is a Select, extract the db and table names and modify
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// $db and $table, to have correct page headers, links and left frame.
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// db and table name may be enclosed with backquotes, db is optionnal,
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// query may contain aliases.
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/**
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* @todo if there are more than one table name in the Select:
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* - do not extract the first table name
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* - do not show a table name in the page header
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* - do not display the sub-pages links)
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*/
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if ($is_select) {
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$prev_db = $db;
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if (isset($analyzed_sql[0]['table_ref'][0]['table_true_name'])) {
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$table = $analyzed_sql[0]['table_ref'][0]['table_true_name'];
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}
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if (isset($analyzed_sql[0]['table_ref'][0]['db'])
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&& strlen($analyzed_sql[0]['table_ref'][0]['db'])
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) {
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$db = $analyzed_sql[0]['table_ref'][0]['db'];
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} else {
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$db = $prev_db;
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}
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// Don't change reload, if we already decided to reload in import
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if (empty($reload) && empty($GLOBALS['is_ajax_request'])) {
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$reload = ($db == $prev_db) ? 0 : 1;
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}
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}
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?>
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