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Start of a file for cleaning and managing database - checks for orpha…
…n conditions, questions, answers and groups. Also to check for orphan survey_sid response tables, old response tables and orphan tokens tables and old tables. git-svn-id: file:///Users/Shitiz/Downloads/lssvn/trunk/unstable@337 b72ed6b6-b9f8-46b5-92b4-906544132732
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| <?php | ||
| /* | ||
| ############################################################# | ||
| # >>> PHP Surveyor # | ||
| ############################################################# | ||
| # > Author: Jason Cleeland # | ||
| # > E-mail: jason@cleeland.org # | ||
| # > Mail: Box 99, Trades Hall, 54 Victoria St, # | ||
| # > CARLTON SOUTH 3053, AUSTRALIA | ||
| # > Date: 20 February 2003 # | ||
| # # | ||
| # This set of scripts allows you to develop, publish and # | ||
| # perform data-entry on surveys. # | ||
| ############################################################# | ||
| # # | ||
| # Copyright (C) 2003 Jason Cleeland # | ||
| # # | ||
| # This program is free software; you can redistribute # | ||
| # it and/or modify it under the terms of the GNU General # | ||
| # Public License as published by the Free Software # | ||
| # Foundation; either version 2 of the License, or (at your # | ||
| # option) any later version. # | ||
| # # | ||
| # This program is distributed in the hope that it will be # | ||
| # useful, but WITHOUT ANY WARRANTY; without even the # | ||
| # implied warranty of MERCHANTABILITY or FITNESS FOR A # | ||
| # PARTICULAR PURPOSE. See the GNU General Public License # | ||
| # for more details. # | ||
| # # | ||
| # You should have received a copy of the GNU General # | ||
| # Public License along with this program; if not, write to # | ||
| # the Free Software Foundation, Inc., 59 Temple Place - # | ||
| # Suite 330, Boston, MA 02111-1307, USA. # | ||
| ############################################################# | ||
| */ | ||
|
|
||
| include("config.php"); | ||
|
|
||
| // THIS FILE CHECKS THE CONSISTENCY OF THE DATABASE, IT LOOKS FOR | ||
| // STRAY QUESTIONS, ANSWERS, CONDITIONS OR GROUPS AND DELETES THEM | ||
|
|
||
| if (!$ok) // do the check, but don't delete anything | ||
| { | ||
| echo "<b>Commencing consistency check.</b><br />\n"; | ||
| // Check conditions | ||
| $query = "SELECT * FROM conditions ORDER BY qid, cqid, cfieldname, value"; | ||
| $result = mysql_query($query) or die("Couldn't get list of conditions from database<br />$query<br />".mysql_error()); | ||
| while ($row=mysql_fetch_array($result)) | ||
| { | ||
| $qquery="SELECT qid FROM questions WHERE qid='{$row['qid']}'"; | ||
| $qresult=mysql_query($qquery) or die ("Couldn't check questions table for qids<br />$qquery<br />".mysql_error()); | ||
| $qcount=mysql_num_rows($qresult); | ||
| if (!$qcount) {$cdelete[]=$row['cid'];} | ||
| $qquery = "SELECT qid FROM questions WHERE qid='{$row['cqid']}'"; | ||
| $qresult=mysql_query($qquery) or die ("Couldn't check questions table for qids<br />$qquery<br />".mysql_error()); | ||
| $qcount=mysql_num_rows($qresult); | ||
| if (!$qcount) {if (!in_array($row['cid'], $cdelete)) {$cdelete[]=$row['cid'];}} | ||
| } | ||
| if ($cdelete) | ||
| { | ||
| echo "<b>We propose to delete the following orphan conditions:</b><br />\n"; | ||
| echo implode(", ", $cdelete); | ||
| echo "<br />\n"; | ||
| } | ||
| else | ||
| { | ||
| echo "</font><b>All conditions have both matching questions.<br />\n"; | ||
| } | ||
|
|
||
| // Check answers | ||
| $query = "SELECT * FROM answers ORDER BY qid"; | ||
| $result = mysql_query($query) or die ("Couldn't get list of answers from database<br />$query<br />".mysql_error()); | ||
| while ($row=mysql_fetch_array($result)) | ||
| { | ||
| //echo "Checking answer {$row['code']} to qid {$row['qid']}<br />\n"; | ||
| $qquery="SELECT qid FROM questions WHERE qid='{$row['qid']}'"; | ||
| $qresult=mysql_query($qquery) or die ("Couldn't check questions table for qids from answers<br />$qquery<br />".mysql_error()); | ||
| $qcount=mysql_num_rows($qresult); | ||
| if (!$qcount) {$adelete[]=array($row['qid'], $row['code']);} | ||
| //echo "<br />\n"; | ||
| } | ||
| if ($adelete) | ||
| { | ||
| echo "</font><b>We propose to delete the following answers:</b><br />\n"; | ||
| foreach ($adelete as $ad) {echo "QID $ad[0] CODE $ad[1]<br />\n";} | ||
| } | ||
| else | ||
| { | ||
| echo "</font><b>All answers have a matching question.<br />\n"; | ||
| } | ||
|
|
||
| //check questions | ||
| $query = "SELECT * FROM questions ORDER BY sid, gid, qid"; | ||
| $result = mysql_query($query) or die ("Couldn't get list of questions from database<br />$query<br />".mysql_error()); | ||
| while ($row=mysql_fetch_array($result)) | ||
| { | ||
| //Make sure group exists | ||
| $qquery="SELECT * FROM groups WHERE gid={$row['gid']}"; | ||
| $qresult=mysql_query($qquery) or die ("Couldn't check groups table for gids from questions<br />$qquery<br />".mysql_error()); | ||
| $qcount=mysql_num_rows($qresult); | ||
| if (!$qcount) {$qdelete[]=array($row['qid']);} | ||
| //Make sure survey exists | ||
| $qquery="SELECT * FROM surveys WHERE sid={$row['sid']}"; | ||
| $qresult=mysql_query($qquery) or die ("Couldn't check surveys table for sids from questions<br />$qquery<br />".mysql_error()); | ||
| $qcount=mysql_num_rows($qresult); | ||
| if (!$qcount) {if (!in_array($row['qid'], $qdelete)) {$qdelete[]=array($row['qid']);}} | ||
| } | ||
| if ($qdelete) | ||
| { | ||
| echo "<b>We propose to delete the following questions:</b><br />\n"; | ||
| echo implode(", ", $qdelete); | ||
| echo "<br />\n"; | ||
| } | ||
| else | ||
| { | ||
| echo "</font><b>All questions have a matching group and survey.<br />\n"; | ||
| } | ||
| //check groups | ||
| $query = "SELECT * FROM groups ORDER BY sid, gid"; | ||
| $result=mysql_query($query) or die ("Couldn't get list of groups for checking<br />$query<br />".mysql_error()); | ||
| while ($row=mysql_fetch_array($result)) | ||
| { | ||
| //make sure survey exists | ||
| $qquery = "SELECT * FROM groups WHERE sid={$row['sid']}"; | ||
| $qresult=mysql_query($qquery) or die("Couldn't check surveys table for gids from groups<br />$qquery<br />".mysql_error()); | ||
| $qcount=mysql_num_rows($qresult); | ||
| if (!$qcount) {$gdelete[]=array($row['gid']);} | ||
| } | ||
| if ($gdelete) | ||
| { | ||
| echo "<b>We propose to delete the following groups:</b><br />\n"; | ||
| echo implode(", ", $gdelete); | ||
| echo "<br />\n"; | ||
| } | ||
| else | ||
| { | ||
| echo "</font><b>All groups have a matching survey.<br />\n"; | ||
| } | ||
| //NOW CHECK FOR STRAY SURVEY RESPONSE TABLES AND TOKENS TABLES | ||
|
|
||
| } | ||
| else if ($ok) | ||
| { | ||
|
|
||
| } | ||
| ?> |