<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * @todo    we must handle the case if sql.php is called directly with a query
 *          what returns 0 rows - to prevent cyclic redirects or includes
 * @version $Id: sql.php 10468 2007-06-27 21:01:13Z lem9 $
 */

/**
 * Gets some core libraries
 */
require_once './libraries/common.inc.php';
require_once './libraries/Table.class.php';
require_once './libraries/tbl_indexes.lib.php';
require_once './libraries/check_user_privileges.lib.php';
require_once './libraries/bookmark.lib.php';

/**
 * Defines the url to return to in case of error in a sql statement
 */
// Security checkings
if (!empty($goto)) {
    $is_gotofile     = preg_replace('@^([^?]+).*$@s', '\\1', $goto);
    if (!@file_exists('./' . $is_gotofile)) {
        unset($goto);
    } else {
        $is_gotofile = ($is_gotofile == $goto);
    }
} // end if (security checkings)

if (empty($goto)) {
    $goto = (! strlen($table)) ? $cfg['DefaultTabDatabase'] : $cfg['DefaultTabTable'];
    $is_gotofile  = true;
} // end if
if (!isset($err_url)) {
    $err_url = (!empty($back) ? $back : $goto)
             . '?' . PMA_generate_common_url($db)
             . ((strpos(' ' . $goto, 'db_') != 1 && strlen($table)) ? '&amp;table=' . urlencode($table) : '');
} // end if

// Coming from a bookmark dialog
if (isset($fields['query'])) {
    $sql_query = $fields['query'];
}

// This one is just to fill $db
if (isset($fields['dbase'])) {
    $db = $fields['dbase'];
}

// Default to browse if no query set an we have table
// (needed for browsing from DefaultTabTable)
if (empty($sql_query) && strlen($table) && strlen($db)) {
    require_once './libraries/bookmark.lib.php';
    $book_sql_query = PMA_queryBookmarks($db,
        $GLOBALS['cfg']['Bookmark'], '\'' . PMA_sqlAddslashes($table) . '\'',
        'label');

    if (! empty($book_sql_query)) {
        $sql_query = $book_sql_query;
    } else {
        $sql_query = 'SELECT * FROM ' . PMA_backquote($table);
    }
    unset($book_sql_query);

    // set $goto to what will be displayed if query returns 0 rows
    $goto = 'tbl_structure.php';
} else {
    // Now we can check the parameters
    PMA_checkParameters(array('sql_query'));
}

// instead of doing the test twice
$is_drop_database = preg_match('/DROP[[:space:]]+(DATABASE|SCHEMA)[[:space:]]+/i',
    $sql_query);

/**
 * Check rights in case of DROP DATABASE
 *
 * This test may be bypassed if $is_js_confirmed = 1 (already checked with js)
 * but since a malicious user may pass this variable by url/form, we don't take
 * into account this case.
 */
if (!defined('PMA_CHK_DROP')
 && !$cfg['AllowUserDropDatabase']
 && $is_drop_database
 && !$is_superuser) {
    require_once './libraries/header.inc.php';
    PMA_mysqlDie($strNoDropDatabases, '', '', $err_url);
} // end if

require_once './libraries/display_tbl.lib.php';
PMA_displayTable_checkConfigParams();

/**
 * Need to find the real end of rows?
 */
if (isset($find_real_end) && $find_real_end) {
    $unlim_num_rows = PMA_Table::countRecords($db, $table, true, true);
    $_SESSION['userconf']['pos'] = @((ceil($unlim_num_rows / $_SESSION['userconf']['max_rows']) - 1) * $_SESSION['userconf']['max_rows']);
}


/**
 * Bookmark add
 */
if (isset($store_bkm)) {
    PMA_addBookmarks($fields, $cfg['Bookmark'], (isset($bkm_all_users) && $bkm_all_users == 'true' ? true : false));
    PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $goto);
} // end if


/**
 * Gets the true sql query
 */
// $sql_query has been urlencoded in the confirmation form for drop/delete
// queries or in the navigation bar for browsing among records
if (isset($btnDrop) || isset($navig)) {
    $sql_query = urldecode($sql_query);
}

/**
 * Parse and analyze the query
 */
require_once './libraries/parse_analyze.lib.php';

/**
 * Sets or modifies the $goto variable if required
 */
if ($goto == 'sql.php') {
    $is_gotofile = false;
    $goto = 'sql.php?'
          . PMA_generate_common_url($db, $table)
          . '&amp;sql_query=' . urlencode($sql_query);
} // end if


/**
 * Go back to further page if table should not be dropped
 */
if (isset($btnDrop) && $btnDrop == $strNo) {
    if (!empty($back)) {
        $goto = $back;
    }
    if ($is_gotofile) {
        if (strpos(' ' . $goto, 'db_') == 1 && strlen($table)) {
            $table = '';
        }
        $active_page = $goto;
        require './' . PMA_securePath($goto);
    } else {
        PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . str_replace('&amp;', '&', $goto));
    }
    exit();
} // end if


/**
 * Displays the confirm page if required
 *
 * This part of the script is bypassed if $is_js_confirmed = 1 (already checked
 * with js) because possible security issue is not so important here: at most,
 * the confirm message isn't displayed.
 *
 * Also bypassed if only showing php code.or validating a SQL query
 */
if (! $cfg['Confirm'] || isset($_REQUEST['is_js_confirmed']) || isset($btnDrop)
 // if we are coming from a "Create PHP code" or a "Without PHP Code"
 // dialog, we won't execute the query anyway, so don't confirm
 //|| !empty($GLOBALS['show_as_php'])
 || isset($GLOBALS['show_as_php'])
 || !empty($GLOBALS['validatequery'])) {
    $do_confirm = false;
} else {
    $do_confirm = isset($analyzed_sql[0]['queryflags']['need_confirm']);
}

if ($do_confirm) {
    $stripped_sql_query = $sql_query;
    require_once './libraries/header.inc.php';
    if ($is_drop_database) {
        echo '<h1 class="warning">' . $strDropDatabaseStrongWarning . '</h1>';
    }
    echo '<form action="sql.php" method="post">' . "\n"
        .PMA_generate_common_hidden_inputs($db, $table);
    ?>
    <input type="hidden" name="sql_query" value="<?php echo urlencode($sql_query); ?>" />
    <input type="hidden" name="zero_rows" value="<?php echo isset($zero_rows) ? PMA_sanitize($zero_rows) : ''; ?>" />
    <input type="hidden" name="goto" value="<?php echo $goto; ?>" />
    <input type="hidden" name="back" value="<?php echo isset($back) ? PMA_sanitize($back) : ''; ?>" />
    <input type="hidden" name="reload" value="<?php echo isset($reload) ? PMA_sanitize($reload) : 0; ?>" />
    <input type="hidden" name="purge" value="<?php echo isset($purge) ? PMA_sanitize($purge) : ''; ?>" />
    <input type="hidden" name="cpurge" value="<?php echo isset($cpurge) ? PMA_sanitize($cpurge) : ''; ?>" />
    <input type="hidden" name="purgekey" value="<?php echo isset($purgekey) ? PMA_sanitize($purgekey) : ''; ?>" />
    <input type="hidden" name="show_query" value="<?php echo isset($show_query) ? PMA_sanitize($show_query) : ''; ?>" />
    <?php
    echo '<fieldset class="confirmation">' . "\n"
        .'    <legend>' . $strDoYouReally . '</legend>'
        .'    <tt>' . htmlspecialchars($stripped_sql_query) . '</tt>' . "\n"
        .'</fieldset>' . "\n"
        .'<fieldset class="tblFooters">' . "\n";
    ?>
    <input type="submit" name="btnDrop" value="<?php echo $strYes; ?>" id="buttonYes" />
    <input type="submit" name="btnDrop" value="<?php echo $strNo; ?>" id="buttonNo" />
    <?php
    echo '</fieldset>' . "\n"
       . '</form>' . "\n";

    /**
     * Displays the footer and exit
     */
    require_once './libraries/footer.inc.php';
} // end if $do_confirm


// Defines some variables
// A table has to be created or renamed -> left frame should be reloaded
/**
 * @todo use the parser/analyzer
 */

if (empty($reload)
    && preg_match('/^(CREATE|ALTER|DROP)\s+(VIEW|TABLE|DATABASE|SCHEMA)\s+/i', $sql_query)) {
    $reload           = 1;
}

// SK -- Patch: $is_group added for use in calculation of total number of
//              rows.
//              $is_count is changed for more correct "LIMIT" clause
//              appending in queries like
//                "SELECT COUNT(...) FROM ... GROUP BY ..."

/**
 * @todo detect all this with the parser, to avoid problems finding
 * those strings in comments or backquoted identifiers
 */

$is_explain = $is_count = $is_export = $is_delete = $is_insert = $is_affected = $is_show = $is_maint = $is_analyse = $is_group = $is_func = $is_replace = false;
if ($is_select) { // see line 141
    $is_group = preg_match('@(GROUP[[:space:]]+BY|HAVING|SELECT[[:space:]]+DISTINCT)[[:space:]]+@i', $sql_query);
    $is_func =  !$is_group && (preg_match('@[[:space:]]+(SUM|AVG|STD|STDDEV|MIN|MAX|BIT_OR|BIT_AND)\s*\(@i', $sql_query));
    $is_count = !$is_group && (preg_match('@^SELECT[[:space:]]+COUNT\((.*\.+)?.*\)@i', $sql_query));
    $is_export   = (preg_match('@[[:space:]]+INTO[[:space:]]+OUTFILE[[:space:]]+@i', $sql_query));
    $is_analyse  = (preg_match('@[[:space:]]+PROCEDURE[[:space:]]+ANALYSE@i', $sql_query));
} elseif (preg_match('@^EXPLAIN[[:space:]]+@i', $sql_query)) {
    $is_explain  = true;
} elseif (preg_match('@^DELETE[[:space:]]+@i', $sql_query)) {
    $is_delete   = true;
    $is_affected = true;
} elseif (preg_match('@^(INSERT|LOAD[[:space:]]+DATA|REPLACE)[[:space:]]+@i', $sql_query)) {
    $is_insert   = true;
    $is_affected = true;
    if (preg_match('@^(REPLACE)[[:space:]]+@i', $sql_query)) {
        $is_replace = true;
    }
} elseif (preg_match('@^UPDATE[[:space:]]+@i', $sql_query)) {
    $is_affected = true;
} elseif (preg_match('@^SHOW[[:space:]]+@i', $sql_query)) {
    $is_show     = true;
} elseif (preg_match('@^(CHECK|ANALYZE|REPAIR|OPTIMIZE)[[:space:]]+TABLE[[:space:]]+@i', $sql_query)) {
    $is_maint    = true;
}

// Do append a "LIMIT" clause?
if ((!$cfg['ShowAll'] || $_SESSION['userconf']['max_rows'] != 'all')
 && !($is_count || $is_export || $is_func || $is_analyse)
 && isset($analyzed_sql[0]['queryflags']['select_from'])
 && !isset($analyzed_sql[0]['queryflags']['offset'])
 && !preg_match('@[[:space:]]LIMIT[[:space:]0-9,-]+(;)?$@i', $sql_query)
 ) {
    $sql_limit_to_append = ' LIMIT ' . $_SESSION['userconf']['pos'] . ', ' . $_SESSION['userconf']['max_rows'] . " ";

    $full_sql_query  = $analyzed_sql[0]['section_before_limit'] . "\n" . $sql_limit_to_append . $analyzed_sql[0]['section_after_limit'];
    /**
     * @todo pretty printing of this modified query
     */
    if (isset($display_query)) {
        // if the analysis of the original query revealed that we found
        // a section_after_limit, we now have to analyze $display_query
        // to display it correctly

        if (!empty($analyzed_sql[0]['section_after_limit']) && trim($analyzed_sql[0]['section_after_limit']) != ';') {
            $analyzed_display_query = PMA_SQP_analyze(PMA_SQP_parse($display_query));
            $display_query  = $analyzed_display_query[0]['section_before_limit'] . "\n" . $sql_limit_to_append . $analyzed_display_query[0]['section_after_limit'];
        }
    }

} else {
    $full_sql_query      = $sql_query;
} // end if...else

if (strlen($db)) {
    PMA_DBI_select_db($db);
}

// If the query is a DELETE query with no WHERE clause, get the number of
// rows that will be deleted (mysql_affected_rows will always return 0 in
// this case)
// Note: testing shows that this no longer applies since MySQL 4.0.x

if (PMA_MYSQL_INT_VERSION < 40000) {
    if ($is_delete
        && preg_match('@^DELETE([[:space:]].+)?(FROM[[:space:]](.+))$@i', $sql_query, $parts)
        && !preg_match('@[[:space:]]WHERE[[:space:]]@i', $parts[3])) {
        $cnt_all_result = @PMA_DBI_try_query('SELECT COUNT(*) as count ' .  $parts[2]);
        if ($cnt_all_result) {
            list($num_rows) = PMA_DBI_fetch_row($cnt_all_result);
            PMA_DBI_free_result($cnt_all_result);
        } else {
            $num_rows   = 0;
        }
    }
}

//  E x e c u t e    t h e    q u e r y

// Only if we didn't ask to see the php code (mikebeck)
if (isset($GLOBALS['show_as_php']) || !empty($GLOBALS['validatequery'])) {
    unset($result);
    $num_rows = 0;
} else {
    if (isset($_SESSION['profiling'])) {
        PMA_DBI_query('SET PROFILING=1;');
    }
        
    // garvin: Measure query time.
    // TODO-Item http://sourceforge.net/tracker/index.php?func=detail&aid=571934&group_id=23067&atid=377411
    $querytime_before = array_sum(explode(' ', microtime()));

    $result   = @PMA_DBI_try_query($full_sql_query, null, PMA_DBI_QUERY_STORE);

    $querytime_after = array_sum(explode(' ', microtime()));

    $GLOBALS['querytime'] = $querytime_after - $querytime_before;

    // Displays an error message if required and stop parsing the script
    if ($error        = PMA_DBI_getError()) {
        require_once './libraries/header.inc.php';
        $full_err_url = (preg_match('@^(db|tbl)_@', $err_url))
                      ? $err_url . '&amp;show_query=1&amp;sql_query=' . urlencode($sql_query)
                      : $err_url;
        PMA_mysqlDie($error, $full_sql_query, '', $full_err_url);
    }
    unset($error);

    // Gets the number of rows affected/returned
    // (This must be done immediately after the query because
    // mysql_affected_rows() reports about the last query done)

    if (!$is_affected) {
        $num_rows = ($result) ? @PMA_DBI_num_rows($result) : 0;
    } elseif (!isset($num_rows)) {
        $num_rows = @PMA_DBI_affected_rows();
    }

    // Grabs the profiling results
    if (isset($_SESSION['profiling'])) {
        $profiling_results = PMA_DBI_fetch_result('SHOW PROFILE;');
    }
        
    // Checks if the current database has changed
    // This could happen if the user sends a query like "USE `database`;"
    $res = PMA_DBI_query('SELECT DATABASE() AS \'db\';');
    $row = PMA_DBI_fetch_row($res);
    if (strlen($db) && is_array($row) && isset($row[0]) && (strcasecmp($db, $row[0]) != 0)) {
        $db     = $row[0];
        $reload = 1;
    }
    @PMA_DBI_free_result($res);
    unset($res, $row);

    // tmpfile remove after convert encoding appended by Y.Kawada
    if (function_exists('PMA_kanji_file_conv')
        && (isset($textfile) && file_exists($textfile))) {
        unlink($textfile);
    }

    // Counts the total number of rows for the same 'SELECT' query without the
    // 'LIMIT' clause that may have been programatically added

    if (empty($sql_limit_to_append)) {
        $unlim_num_rows         = $num_rows;
        // if we did not append a limit, set this to get a correct
        // "Showing rows..." message
        //$_SESSION['userconf']['max_rows'] = 'all';
    } elseif ($is_select) {

        //    c o u n t    q u e r y

        // If we are "just browsing", there is only one table,
        // and no where clause (or just 'WHERE 1 '),
        // so we do a quick count (which uses MaxExactCount)
        // because SQL_CALC_FOUND_ROWS
        // is not quick on large InnoDB tables

        // but do not count again if we did it previously
        // due to $find_real_end == true

        if (!$is_group
         && !isset($analyzed_sql[0]['queryflags']['union'])
         && !isset($analyzed_sql[0]['table_ref'][1]['table_name'])
         && (empty($analyzed_sql[0]['where_clause'])
           || $analyzed_sql[0]['where_clause'] == '1 ')
         && !isset($find_real_end)
        ) {

            // "j u s t   b r o w s i n g"
            $unlim_num_rows = PMA_Table::countRecords($db, $table, true);

        } else { // n o t   " j u s t   b r o w s i n g "

            if (PMA_MYSQL_INT_VERSION < 40000) {

                // detect this case:
                // SELECT DISTINCT x AS foo, y AS bar FROM sometable

                if (isset($analyzed_sql[0]['queryflags']['distinct'])) {
                    $count_what = 'DISTINCT ';
                    $first_expr = true;
                    foreach ($analyzed_sql[0]['select_expr'] as $part) {
                        $count_what .= (!$first_expr ? ', ' : '') . $part['expr'];
                        $first_expr = false;
                    }
                } else {
                    $count_what = '*';
                }
                // this one does not apply to VIEWs
                $count_query = 'SELECT COUNT(' . $count_what . ') AS count';
            }

            // add the remaining of select expression if there is
            // a GROUP BY or HAVING clause
            if (PMA_MYSQL_INT_VERSION < 40000
             && $count_what =='*'
             && (!empty($analyzed_sql[0]['group_by_clause'])
                || !empty($analyzed_sql[0]['having_clause']))) {
                $count_query .= ' ,' . $analyzed_sql[0]['select_expr_clause'];
            }

            if (PMA_MYSQL_INT_VERSION >= 40000) {
                // add select expression after the SQL_CALC_FOUND_ROWS

                // for UNION, just adding SQL_CALC_FOUND_ROWS
                // after the first SELECT works.

                // take the left part, could be:
                // SELECT
                // (SELECT
                $count_query = PMA_SQP_formatHtml($parsed_sql, 'query_only', 0, $analyzed_sql[0]['position_of_first_select'] + 1);
                $count_query .= ' SQL_CALC_FOUND_ROWS ';
                // add everything that was after the first SELECT
                $count_query .= PMA_SQP_formatHtml($parsed_sql, 'query_only', $analyzed_sql[0]['position_of_first_select']+1);
                // ensure there is no semicolon at the end of the
                // count query because we'll probably add
                // a LIMIT 1 clause after it
                $count_query = rtrim($count_query);
                $count_query = rtrim($count_query, ';');
            } else { // PMA_MYSQL_INT_VERSION < 40000

                if (!empty($analyzed_sql[0]['from_clause'])) {
                    $count_query .= ' FROM ' . $analyzed_sql[0]['from_clause'];
                }
                if (!empty($analyzed_sql[0]['where_clause'])) {
                    $count_query .= ' WHERE ' . $analyzed_sql[0]['where_clause'];
                }
                if (!empty($analyzed_sql[0]['group_by_clause'])) {
                    $count_query .= ' GROUP BY ' . $analyzed_sql[0]['group_by_clause'];
                }
                if (!empty($analyzed_sql[0]['having_clause'])) {
                    $count_query .= ' HAVING ' . $analyzed_sql[0]['having_clause'];
                }
            } // end if

            // if using SQL_CALC_FOUND_ROWS, add a LIMIT to avoid
            // long delays. Returned count will be complete anyway.
            // (but a LIMIT would disrupt results in an UNION)

            if (PMA_MYSQL_INT_VERSION >= 40000
             && !isset($analyzed_sql[0]['queryflags']['union'])) {
                $count_query .= ' LIMIT 1';
            }

            // run the count query

            if (PMA_MYSQL_INT_VERSION < 40000) {
                if ($cnt_all_result = PMA_DBI_try_query($count_query)) {
                    if ($is_group && $count_what == '*') {
                        $unlim_num_rows = @PMA_DBI_num_rows($cnt_all_result);
                    } else {
                        $unlim_num_rows = PMA_DBI_fetch_assoc($cnt_all_result);
                        $unlim_num_rows = $unlim_num_rows['count'];
                    }
                    PMA_DBI_free_result($cnt_all_result);
                } else {
                    if (PMA_DBI_getError()) {

                        // there are some cases where the generated
                        // count_query (for MySQL 3) is wrong,
                        // so we get here.
                        /**
                         * @todo use a big unlimited query to get the correct
                         * number of rows (depending on a config variable?)
                         */
                        $unlim_num_rows = 0;
                    }
                }
            } else {
                PMA_DBI_try_query($count_query);
                // if (mysql_error()) {
                // void.
                // I tried the case
                // (SELECT `User`, `Host`, `Db`, `Select_priv` FROM `db`)
                // UNION (SELECT `User`, `Host`, "%" AS "Db",
                // `Select_priv`
                // FROM `user`) ORDER BY `User`, `Host`, `Db`;
                // and although the generated count_query is wrong
                // the SELECT FOUND_ROWS() work! (maybe it gets the
                // count from the latest query that worked)
                //
                // another case where the count_query is wrong:
                // SELECT COUNT(*), f1 from t1 group by f1
                // and you click to sort on count(*)
                // }
                $cnt_all_result       = PMA_DBI_query('SELECT FOUND_ROWS() as count;');
                list($unlim_num_rows) = PMA_DBI_fetch_row($cnt_all_result);
                @PMA_DBI_free_result($cnt_all_result);
            }
        } // end else "just browsing"

    } else { // not $is_select
         $unlim_num_rows         = 0;
    } // end rows total count

    // garvin: if a table or database gets dropped, check column comments.
    if (isset($purge) && $purge == '1') {
        require_once './libraries/relation_cleanup.lib.php';

        if (strlen($table) && strlen($db)) {
            PMA_relationsCleanupTable($db, $table);
        } elseif (strlen($db)) {
            PMA_relationsCleanupDatabase($db);
        } else {
            // garvin: VOID. No DB/Table gets deleted.
        } // end if relation-stuff
    } // end if ($purge)

    // garvin: If a column gets dropped, do relation magic.
    if (isset($cpurge) && $cpurge == '1' && isset($purgekey)
     && strlen($db) && strlen($table) && !empty($purgekey)) {
        require_once './libraries/relation_cleanup.lib.php';
        PMA_relationsCleanupColumn($db, $table, $purgekey);

    } // end if column PMA_* purge
} // end else "didn't ask to see php code"

// No rows returned -> move back to the calling page
if ($num_rows < 1 || $is_affected) {
    if ($is_delete) {
        $message = $strDeletedRows . '&nbsp;' . $num_rows;
    } elseif ($is_insert) {
        if ($is_replace) {
            /* For replace we get DELETED + INSERTED row count, so we have to call it affected */
            $message = $strAffectedRows . '&nbsp;' . $num_rows;
        } else {
            $message = $strInsertedRows . '&nbsp;' . $num_rows;
        }
        $insert_id = PMA_DBI_insert_id();
        if ($insert_id != 0) {
            // insert_id is id of FIRST record inserted in one insert, so if we inserted multiple rows, we had to increment this
            $message .= '[br]'.$strInsertedRowId . '&nbsp;' . ($insert_id + $num_rows - 1);
        }
    } elseif ($is_affected) {
        $message = $strAffectedRows . '&nbsp;' . $num_rows;

        // Ok, here is an explanation for the !$is_select.
        // The form generated by sql_query_form.lib.php
        // and db_sql.php has many submit buttons
        // on the same form, and some confusion arises from the
        // fact that $zero_rows is sent for every case.
        // The $zero_rows containing $strSuccess and sent with
        // the form should not have priority over
        // errors like $strEmptyResultSet
    } elseif (!empty($zero_rows) && !$is_select) {
        $message = $zero_rows;
    } elseif (!empty($GLOBALS['show_as_php'])) {
        $message = $strShowingPhp;
    } elseif (isset($GLOBALS['show_as_php'])) {
        /* User disable showing as PHP, query is only displayed */
        $message = $strShowingSQL;
    } elseif (!empty($GLOBALS['validatequery'])) {
        $message = $strValidateSQL;
    } else {
        $message = $strEmptyResultSet;
    }

    $message .= ' ' . (isset($GLOBALS['querytime']) ? '(' . sprintf($strQueryTime, $GLOBALS['querytime']) . ')' : '');

    if ($is_gotofile) {
        $goto = PMA_securePath($goto);
        // Checks for a valid target script
        $is_db = $is_table = false;
        include 'libraries/db_table_exists.lib.php';
        if (strpos($goto, 'tbl_') === 0 && ! $is_table) {
            if (strlen($table)) {
                $table = '';
            }
            $goto = 'db_sql.php';
        }
        if (strpos($goto, 'db_') === 0 && ! $is_db) {
            if (strlen($db)) {
                $db = '';
            }
            $goto = 'main.php';
        }
        // Loads to target script
        if (strpos($goto, 'db_') === 0
         || strpos($goto, 'tbl_') === 0) {
            $js_to_run = 'functions.js';
        }
        if ($goto != 'main.php') {
            require_once './libraries/header.inc.php';
        }
        $active_page = $goto;
        require './' . $goto;
    } else {
        // avoid a redirect loop when last record was deleted
        if ('sql.php' == $cfg['DefaultTabTable']) {
            $goto = str_replace('sql.php','tbl_structure.php',$goto);
        }
        PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . str_replace('&amp;', '&', $goto) . '&message=' . urlencode($message));
    } // end else
    exit();
} // end no rows returned

// At least one row is returned -> displays a table with results
else {
    // Displays the headers
    if (isset($show_query)) {
        unset($show_query);
    }
    if (isset($printview) && $printview == '1') {
        require_once './libraries/header_printview.inc.php';
    } else {
        $js_to_run = 'functions.js';
        unset($message);
        if (strlen($table)) {
            require './libraries/tbl_common.php';
            $url_query .= '&amp;goto=tbl_sql.php&amp;back=tbl_sql.php';
            require './libraries/tbl_info.inc.php';
            require './libraries/tbl_links.inc.php';
        } elseif (strlen($db)) {
            require './libraries/db_common.inc.php';
            require './libraries/db_info.inc.php';
        } else {
            require './libraries/server_common.inc.php';
            require './libraries/server_links.inc.php';
        }
    }

    if (strlen($db)) {
        require_once './libraries/relation.lib.php';
        $cfgRelation = PMA_getRelationsParam();
    }

    // Gets the list of fields properties
    if (isset($result) && $result) {
        $fields_meta = PMA_DBI_get_fields_meta($result);
        $fields_cnt  = count($fields_meta);
    }

    // Display previous update query (from tbl_replace)
    if (isset($disp_query) && $cfg['ShowSQL'] == true) {
        $tmp_sql_query = $GLOBALS['sql_query'];
        $GLOBALS['sql_query'] = $disp_query;
        PMA_showMessage($disp_message);
        $GLOBALS['sql_query'] = $tmp_sql_query;
    }

    if (isset($profiling_results)) {
        PMA_profilingResults($profiling_results);
    }

    // Displays the results in a table
    if (empty($disp_mode)) {
        // see the "PMA_setDisplayMode()" function in
        // libraries/display_tbl.lib.php
        $disp_mode = 'urdr111101';
    }

    // hide edit and delete links for information_schema
    if (PMA_MYSQL_INT_VERSION >= 50002 && $db == 'information_schema') {
        $disp_mode = 'nnnn110111';
    }

    PMA_displayTable($result, $disp_mode, $analyzed_sql);
    PMA_DBI_free_result($result);

    // BEGIN INDEX CHECK See if indexes should be checked.
    if (isset($query_type) && $query_type == 'check_tbl' && isset($selected) && is_array($selected)) {
        foreach ($selected as $idx => $tbl_name) {
            $check = PMA_check_indexes($tbl_name);
            if (! empty($check)) {
                ?>
<table border="0" cellpadding="2" cellspacing="0">
    <tr>
        <td class="tblHeaders" colspan="7"><?php printf($strIndexWarningTable, urldecode($tbl_name)); ?></td>
    </tr>
    <?php echo $check; ?>
</table>
                <?php
            }
        }
    } // End INDEX CHECK

    // Bookmark support if required
    if ($disp_mode[7] == '1'
        && (isset($cfg['Bookmark']) && ! empty($cfg['Bookmark']['db']) && ! empty($cfg['Bookmark']['table']) && empty($id_bookmark))
        && !empty($sql_query)) {
        echo "\n";

        $goto = 'sql.php?'
              . PMA_generate_common_url($db, $table)
              . '&amp;sql_query=' . urlencode($sql_query)
              . '&amp;id_bookmark=1';

        ?>
<form action="sql.php" method="post" onsubmit="return emptyFormElements(this, 'fields[label]');">
<?php echo PMA_generate_common_hidden_inputs(); ?>
<input type="hidden" name="goto" value="<?php echo $goto; ?>" />
<input type="hidden" name="fields[dbase]" value="<?php echo htmlspecialchars($db); ?>" />
<input type="hidden" name="fields[user]" value="<?php echo $cfg['Bookmark']['user']; ?>" />
<input type="hidden" name="fields[query]" value="<?php echo urlencode(isset($complete_query) ? $complete_query : $sql_query); ?>" />
<fieldset>
    <legend><?php
     echo ($cfg['PropertiesIconic'] ? '<img class="icon" src="' . $pmaThemeImage . 'b_bookmark.png" width="16" height="16" alt="' . $strBookmarkThis . '" />' : '')
        . $strBookmarkThis;
?>
    </legend>

    <div class="formelement">
        <label for="fields_label_"><?php echo $strBookmarkLabel; ?>:</label>
        <input type="text" id="fields_label_" name="fields[label]" value="" />
    </div>

    <div class="formelement">
        <input type="checkbox" name="bkm_all_users" id="bkm_all_users" value="true" />
        <label for="bkm_all_users"><?php echo $strBookmarkAllUsers; ?></label>
    </div>

    <div class="clearfloat"></div>
</fieldset>
<fieldset class="tblFooters">
    <input type="submit" name="store_bkm" value="<?php echo $strBookmarkThis; ?>" />
</fieldset>
</form>
        <?php
    } // end bookmark support

    // Do print the page if required
    if (isset($printview) && $printview == '1') {
        ?>
<script type="text/javascript">
//<![CDATA[
// Do print the page
window.onload = function()
{
    if (typeof(window.print) != 'undefined') {
        window.print();
    }
}
//]]>
</script>
        <?php
    } // end print case
} // end rows returned

/**
 * Displays the footer
 */
require_once './libraries/footer.inc.php';
?>
