253 lines
9.0 KiB
PHP
253 lines
9.0 KiB
PHP
<?php
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/* $Id$ */
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/**
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* Set of functions used with the relation and pdf feature
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*/
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if (!defined('PMA_RELATION_LIB_INCLUDED')){
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define('PMA_RELATION_LIB_INCLUDED', 1);
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/**
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* Executes a query as controluser if possible, otherwise as normal user
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*
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* @param string the query to execute
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* @param boolean whether to display SQL error messages or not
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*
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* @return integer the result id
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*
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* @global string the URL of the page to show in case of error
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* @global string the name of db to come back to
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* @global integer the ressource id of DB connect as controluser
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* @global array configuration infos about the relations stuff
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*
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* @access public
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*
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* @author Mike Beck <mikebeck@users.sourceforge.net>
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*/
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function PMA_query_as_cu($sql, $show_error = TRUE) {
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global $err_url_0, $db, $dbh, $cfgRelation;
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if (isset($dbh)) {
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PMA_mysql_select_db($cfgRelation['db'], $dbh);
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$result = @PMA_mysql_query($sql, $dbh);
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if (!$result && $show_error == TRUE) {
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PMA_mysqlDie(mysql_error($dbh), $sql, '', $err_url_0);
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}
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PMA_mysql_select_db($db, $dbh);
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} else {
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PMA_mysql_select_db($cfgRelation['db']);
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$result = @PMA_mysql_query($sql);
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if ($result && $show_error == TRUE) {
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PMA_mysqlDie('', $sql, '', $err_url_0);
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}
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PMA_mysql_select_db($db);
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} // end if... else...
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if ($result) {
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return $result;
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} else {
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return FALSE;
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}
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} // end of the "PMA_query_as_cu()" function
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/**
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* Defines the relation parameters for the current user
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* just a copy of the functions used for relations ;-)
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* but added some stuff to check what will work
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*
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* @return array the relation parameters for the current user
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*
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* @global array the list of settings for servers
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* @global integer the id of the current server
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* @global string the URL of the page to show in case of error
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* @global string the name of the current db
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* @global string the name of the current table
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*
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* @access public
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*
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* @author Mike Beck <mikebeck@users.sourceforge.net>
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*/
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function PMA_getRelationsParam()
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{
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global $cfg, $server, $err_url_0, $db, $table;
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$cfgRelation = array();
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$cfgRelation['relwork'] = FALSE;
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$cfgRelation['displaywork'] = FALSE;
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$cfgRelation['pdfwork'] = FALSE;
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$cfgRelation['commwork'] = FALSE;
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// No server selected -> no bookmark table
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// we return the array with the FALSEs in it,
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// to avoid some 'Unitialized string offset' errors later
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if ($server == 0
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|| empty($cfg['Server'])
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|| empty($cfg['Server']['pmadb'])) {
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return $cfgRelation;
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}
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$cfgRelation['user'] = $cfg['Server']['user'];
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$cfgRelation['db'] = $cfg['Server']['pmadb'];
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// Now I just check if all tables that i need are present so I can for
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// example enable relations but not pdf...
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// I was thinking of checking if they have all required columns but I
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// fear it might be too slow
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// PMA_mysql_select_db($cfgRelation['db']);
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$tab_query = 'SHOW TABLES FROM ' . PMA_backquote($cfgRelation['db']);
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$tab_rs = PMA_query_as_cu($tab_query, FALSE);
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while ($curr_table = @PMA_mysql_fetch_array($tab_rs)) {
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if ($curr_table[0] == $cfg['Server']['bookmarktable']) {
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continue;
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} else if ($curr_table[0] == $cfg['Server']['relation']) {
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$cfgRelation['relation'] = $curr_table[0];
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} else if ($curr_table[0] == $cfg['Server']['table_info']) {
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$cfgRelation['table_info'] = $curr_table[0];
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} else if ($curr_table[0] == $cfg['Server']['table_coords']) {
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$cfgRelation['table_coords'] = $curr_table[0];
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} else if ($curr_table[0] == $cfg['Server']['column_comments']) {
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$cfgRelation['column_comments'] = $curr_table[0];
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} else if ($curr_table[0] == $cfg['Server']['pdf_pages']) {
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$cfgRelation['pdf_pages'] = $curr_table[0];
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}
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} // end while
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if (isset($cfgRelation['relation'])) {
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$cfgRelation['relwork'] = TRUE;
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if (isset($cfgRelation['table_info'])) {
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$cfgRelation['displaywork'] = TRUE;
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}
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if (isset($cfgRelation['table_coords']) && isset($cfgRelation['pdf_pages'])) {
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$cfgRelation['pdfwork'] = TRUE;
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}
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if (isset($cfgRelation['column_comments'])) {
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$cfgRelation['commwork'] = TRUE;
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}
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} // end if
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if ($tab_rs) {
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mysql_free_result($tab_rs);
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} else {
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$cfg['Server']['pmadb'] = FALSE;
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}
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return $cfgRelation;
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} // end of the 'PMA_getRelationsParam()' function
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/**
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* Gets all Relations to foreign tables for a given table or
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* optionally a given column in a table
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*
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* @param string the name of the db to check for
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* @param string the name of the table to check for
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* @param string the name of the column to check for
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*
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* @return array db,table,column
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*
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* @global array the list of relations settings
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* @global string the URL of the page to show in case of error
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*
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* @access public
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*
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* @author Mike Beck <mikebeck@users.sourceforge.net>
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*/
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function PMA_getForeigners($db, $table, $column = '') {
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global $cfgRelation, $err_url_0;
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$rel_query = 'SELECT master_field, foreign_db, foreign_table, foreign_field'
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. ' FROM ' . PMA_backquote($cfgRelation['relation'])
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. ' WHERE master_db = \'' . PMA_sqlAddslashes($db) . '\' '
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. ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\' ';
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if (!empty($column)) {
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$rel_query .= ' AND master_field = \'' . PMA_sqlAddslashes($column) . '\'';
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}
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$relations = PMA_query_as_cu($rel_query);
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$i = 0;
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while ($relrow = @PMA_mysql_fetch_array($relations)) {
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$field = $relrow['master_field'];
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$foreign[$field]['foreign_db'] = $relrow['foreign_db'];
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$foreign[$field]['foreign_table'] = $relrow['foreign_table'];
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$foreign[$field]['foreign_field'] = $relrow['foreign_field'];
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$i++;
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} // end while
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if (isset($foreign) && is_array($foreign)) {
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return $foreign;
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} else {
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return FALSE;
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}
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} // end of the 'PMA_getForeigners()' function
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/**
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* Gets the display field of a table
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*
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* @param string the name of the db to check for
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* @param string the name of the table to check for
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*
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* @return string field name
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*
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* @global array the list of relations settings
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*
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* @access public
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*
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* @author Mike Beck <mikebeck@users.sourceforge.net>
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*/
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function PMA_getDisplayField($db, $table) {
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global $cfgRelation;
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$disp_query = 'SELECT display_field FROM ' . PMA_backquote($cfgRelation['table_info'])
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. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
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. ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
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$disp_res = PMA_query_as_cu($disp_query);
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$row = ($disp_res ? PMA_mysql_fetch_array($disp_res) : '');
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if (isset($row['display_field'])) {
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return $row['display_field'];
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} else {
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return FALSE;
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}
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} // end of the 'PMA_getDisplayField()' function
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/**
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* Gets the comments for all rows of a table
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*
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* @param string the name of the db to check for
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* @param string the name of the table to check for
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*
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* @return array [field_name] = comment
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*
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* @global array the list of relations settings
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*
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* @access public
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*
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* @author Mike Beck <mikebeck@users.sourceforge.net>
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*/
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function PMA_getComments($db, $table) {
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global $cfgRelation;
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$com_qry = 'SELECT column_name, comment FROM ' . PMA_backquote($cfgRelation['column_comments'])
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. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
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. ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
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$com_rs = PMA_query_as_cu($com_qry);
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while ($row = @PMA_mysql_fetch_array($com_rs)) {
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$col = $row['column_name'];
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$comment[$col] = $row['comment'];
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} // end while
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if (isset($comment) && is_array($comment)) {
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return $comment;
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} else {
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return FALSE;
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}
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} // end of the 'PMA_getComments()' function
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} // $__PMA_RELATION_LIB__
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?>
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