657 lines
21 KiB
PHP
657 lines
21 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Common functions for Designer
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*
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* @package PhpMyAdmin-Designer
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*/
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/**
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* Block attempts to directly run this script
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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$GLOBALS['PMD']['STYLE'] = 'default';
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$cfgRelation = PMA_getRelationsParam();
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/**
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* Retrieves table info and stores it in $GLOBALS['PMD']
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*
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* @return array with table info
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*/
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function PMA_getTablesInfo()
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{
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$retval = array();
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$GLOBALS['PMD']['TABLE_NAME'] = array();// that foreach no error
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$GLOBALS['PMD']['OWNER'] = array();
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$GLOBALS['PMD']['TABLE_NAME_SMALL'] = array();
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$tables = $GLOBALS['dbi']->getTablesFull($GLOBALS['db']);
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// seems to be needed later
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$GLOBALS['dbi']->selectDb($GLOBALS['db']);
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$i = 0;
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foreach ($tables as $one_table) {
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$GLOBALS['PMD']['TABLE_NAME'][$i]
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= $GLOBALS['db'] . "." . $one_table['TABLE_NAME'];
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$GLOBALS['PMD']['OWNER'][$i] = $GLOBALS['db'];
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$GLOBALS['PMD']['TABLE_NAME_SMALL'][$i] = $one_table['TABLE_NAME'];
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$GLOBALS['PMD_URL']['TABLE_NAME'][$i]
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= urlencode($GLOBALS['db'] . "." . $one_table['TABLE_NAME']);
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$GLOBALS['PMD_URL']['OWNER'][$i] = urlencode($GLOBALS['db']);
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$GLOBALS['PMD_URL']['TABLE_NAME_SMALL'][$i]
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= urlencode($one_table['TABLE_NAME']);
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$GLOBALS['PMD_OUT']['TABLE_NAME'][$i] = htmlspecialchars(
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$GLOBALS['db'] . "." . $one_table['TABLE_NAME'], ENT_QUOTES
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);
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$GLOBALS['PMD_OUT']['OWNER'][$i] = htmlspecialchars(
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$GLOBALS['db'], ENT_QUOTES
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);
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$GLOBALS['PMD_OUT']['TABLE_NAME_SMALL'][$i] = htmlspecialchars(
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$one_table['TABLE_NAME'], ENT_QUOTES
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);
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$GLOBALS['PMD']['TABLE_TYPE'][$i] = /*overload*/mb_strtoupper(
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$one_table['ENGINE']
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);
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$DF = PMA_getDisplayField($GLOBALS['db'], $one_table['TABLE_NAME']);
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if ($DF != '') {
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$retval[$GLOBALS['PMD_URL']["TABLE_NAME_SMALL"][$i]] = urlencode($DF);
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}
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$i++;
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}
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return $retval;
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}
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/**
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* Retrieves table column info
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*
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* @return array table column nfo
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*/
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function PMA_getColumnsInfo()
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{
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$GLOBALS['dbi']->selectDb($GLOBALS['db']);
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$tab_column = array();
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for ($i = 0, $cnt = count($GLOBALS['PMD']["TABLE_NAME"]); $i < $cnt; $i++) {
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$fields_rs = $GLOBALS['dbi']->query(
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$GLOBALS['dbi']->getColumnsSql(
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$GLOBALS['db'],
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$GLOBALS['PMD']["TABLE_NAME_SMALL"][$i],
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null,
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true
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),
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null,
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PMA_DatabaseInterface::QUERY_STORE
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);
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$tbl_name_i = $GLOBALS['PMD']['TABLE_NAME'][$i];
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$j = 0;
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while ($row = $GLOBALS['dbi']->fetchAssoc($fields_rs)) {
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$tab_column[$tbl_name_i]['COLUMN_ID'][$j] = $j;
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$tab_column[$tbl_name_i]['COLUMN_NAME'][$j] = $row['Field'];
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$tab_column[$tbl_name_i]['TYPE'][$j] = $row['Type'];
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$tab_column[$tbl_name_i]['NULLABLE'][$j] = $row['Null'];
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$j++;
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}
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}
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return $tab_column;
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}
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/**
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* Returns JavaScript code for initializing vars
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*
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* @return string JavaScript code
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*/
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function PMA_getScriptContr()
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{
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$GLOBALS['dbi']->selectDb($GLOBALS['db']);
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$con = array();
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$con["C_NAME"] = array();
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$i = 0;
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$alltab_rs = $GLOBALS['dbi']->query(
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'SHOW TABLES FROM ' . PMA_Util::backquote($GLOBALS['db']),
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null,
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PMA_DatabaseInterface::QUERY_STORE
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);
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while ($val = @$GLOBALS['dbi']->fetchRow($alltab_rs)) {
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$row = PMA_getForeigners($GLOBALS['db'], $val[0], '', 'internal');
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//echo "<br> internal ".$GLOBALS['db']." - ".$val[0]." - ";
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//print_r($row);
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if ($row !== false) {
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foreach ($row as $field => $value) {
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$con['C_NAME'][$i] = '';
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$con['DTN'][$i] = urlencode($GLOBALS['db'] . "." . $val[0]);
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$con['DCN'][$i] = urlencode($field);
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$con['STN'][$i] = urlencode(
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$value['foreign_db'] . "." . $value['foreign_table']
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);
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$con['SCN'][$i] = urlencode($value['foreign_field']);
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$i++;
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}
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}
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$row = PMA_getForeigners($GLOBALS['db'], $val[0], '', 'foreign');
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//echo "<br> INNO ";
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//print_r($row);
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if ($row !== false) {
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foreach ($row['foreign_keys_data'] as $key => $one_key) {
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foreach ($one_key['index_list'] as $index => $one_field) {
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$con['C_NAME'][$i] = '';
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$con['DTN'][$i] = urlencode($GLOBALS['db'] . "." . $val[0]);
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$con['DCN'][$i] = urlencode($one_field);
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$con['STN'][$i] = urlencode(
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(isset($one_key['ref_db_name']) ?
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$one_key['ref_db_name'] : $GLOBALS['db'])
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. "." . $one_key['ref_table_name']
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);
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$con['SCN'][$i] = urlencode($one_key['ref_index_list'][$index]);
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$i++;
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}
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}
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}
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}
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$ti = 0;
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$retval = array();
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for ($i = 0, $cnt = count($con["C_NAME"]); $i < $cnt; $i++) {
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$c_name_i = $con['C_NAME'][$i];
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$dtn_i = $con['DTN'][$i];
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$retval[$ti] = array();
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$retval[$ti][$c_name_i] = array();
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if (in_array($dtn_i, $GLOBALS['PMD_URL']["TABLE_NAME"])
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&& in_array($con['STN'][$i], $GLOBALS['PMD_URL']["TABLE_NAME"])
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) {
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$retval[$ti][$c_name_i][$dtn_i] = array();
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$retval[$ti][$c_name_i][$dtn_i][$con['DCN'][$i]] = array(
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0 => $con['STN'][$i],
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1 => $con['SCN'][$i]
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);
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}
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$ti++;
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}
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return $retval;
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}
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/**
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* Returns UNIQUE and PRIMARY indices
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*
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* @return array unique or primary indices
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*/
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function PMA_getPKOrUniqueKeys()
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{
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return PMA_getAllKeys(true);
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}
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/**
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* Returns all indices
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*
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* @param bool $unique_only whether to include only unique ones
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*
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* @return array indices
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*/
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function PMA_getAllKeys($unique_only = false)
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{
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include_once './libraries/Index.class.php';
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$keys = array();
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foreach ($GLOBALS['PMD']['TABLE_NAME_SMALL'] as $I => $table) {
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$schema = $GLOBALS['PMD']['OWNER'][$I];
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// for now, take into account only the first index segment
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foreach (PMA_Index::getFromTable($table, $schema) as $index) {
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if ($unique_only && ! $index->isUnique()) {
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continue;
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}
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$columns = $index->getColumns();
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foreach ($columns as $column_name => $dummy) {
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$keys[$schema . '.' . $table . '.' . $column_name] = 1;
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}
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}
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}
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return $keys;
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}
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/**
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* Return script to create j_tab and h_tab arrays
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*
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* @return string
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*/
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function PMA_getScriptTabs()
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{
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$retval = array(
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'j_tabs' => array(),
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'h_tabs' => array()
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);
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for ($i = 0, $cnt = count($GLOBALS['PMD']['TABLE_NAME']); $i < $cnt; $i++) {
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$j = 0;
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if (PMA_Util::isForeignKeySupported($GLOBALS['PMD']['TABLE_TYPE'][$i])) {
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$j = 1;
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}
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$retval['j_tabs'][$GLOBALS['PMD_URL']['TABLE_NAME'][$i]] = $j;
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$retval['h_tabs'][$GLOBALS['PMD_URL']['TABLE_NAME'][$i]] = 1;
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}
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return $retval;
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}
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/**
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* Returns table positions of a given pdf page
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*
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* @param int $pg pdf page id
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*
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* @return array of table positions
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*/
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function PMA_getTablePositions($pg)
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{
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$cfgRelation = PMA_getRelationsParam();
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if (! $cfgRelation['pdfwork']) {
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return null;
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}
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$query = "
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SELECT CONCAT_WS('.', `db_name`, `table_name`) AS `name`,
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`x` AS `X`,
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`y` AS `Y`,
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1 AS `V`,
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1 AS `H`
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FROM " . PMA_Util::backquote($cfgRelation['db'])
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. "." . PMA_Util::backquote($cfgRelation['table_coords']) . "
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WHERE pdf_page_number = " . $pg;
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$tab_pos = $GLOBALS['dbi']->fetchResult(
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$query,
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'name',
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null,
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$GLOBALS['controllink'],
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PMA_DatabaseInterface::QUERY_STORE
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);
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return $tab_pos;
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}
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/**
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* Returns page name of a given pdf page
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*
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* @param int $pg pdf page id
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*
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* @return String table name
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*/
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function PMA_getPageName($pg)
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{
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$cfgRelation = PMA_getRelationsParam();
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if (! $cfgRelation['pdfwork']) {
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return null;
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}
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$query = "SELECT `page_descr`"
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. " FROM " . PMA_Util::backquote($cfgRelation['db'])
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. "." . PMA_Util::backquote($cfgRelation['pdf_pages'])
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. " WHERE " . PMA_Util::backquote('page_nr') . " = " . $pg;
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$page_name = $GLOBALS['dbi']->fetchResult(
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$query,
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null,
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null,
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$GLOBALS['controllink'],
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PMA_DatabaseInterface::QUERY_STORE
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);
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return count($page_name) ? $page_name[0] : null;
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}
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/**
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* Deletes a given pdf page and its corresponding coordinates
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*
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* @param int $pg page id
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*
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* @return boolean success/failure
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*/
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function PMA_deletePage($pg)
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{
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$cfgRelation = PMA_getRelationsParam();
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if (! $cfgRelation['pdfwork']) {
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return null;
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}
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$query = "DELETE FROM " . PMA_Util::backquote($cfgRelation['db'])
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. "." . PMA_Util::backquote($cfgRelation['table_coords'])
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. " WHERE " . PMA_Util::backquote('pdf_page_number') . " = " . $pg;
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$success = PMA_queryAsControlUser(
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$query, true, PMA_DatabaseInterface::QUERY_STORE
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);
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if ($success) {
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$query = "DELETE FROM " . PMA_Util::backquote($cfgRelation['db'])
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. "." . PMA_Util::backquote($cfgRelation['pdf_pages'])
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. " WHERE " . PMA_Util::backquote('page_nr') . " = " . $pg;
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$success = PMA_queryAsControlUser(
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$query, true, PMA_DatabaseInterface::QUERY_STORE
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);
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}
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return $success;
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}
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/**
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* Returns the id of the first pdf page of the database
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*
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* @param string $db database
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*
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* @return int id of the first pdf page, default is -1
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*/
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function PMA_getFirstPage($db)
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{
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$cfgRelation = PMA_getRelationsParam();
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if (! $cfgRelation['pdfwork']) {
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return null;
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}
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$query = "SELECT MIN(`page_nr`)"
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. " FROM " . PMA_Util::backquote($cfgRelation['db'])
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. "." . PMA_Util::backquote($cfgRelation['pdf_pages'])
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. " WHERE `db_name` = '" . $db . "'";
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$min_page_no = $GLOBALS['dbi']->fetchResult(
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$query,
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null,
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null,
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$GLOBALS['controllink'],
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PMA_DatabaseInterface::QUERY_STORE
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);
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return count($min_page_no[0]) ? $min_page_no[0] : -1;
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}
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/**
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* Creates a new page and returns its auto-incrementing id
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*
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* @param string $pageName name of the page
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* @param string $db name of the database
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*
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* @return int|null
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*/
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function PMA_createNewPage($pageName, $db)
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{
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$cfgRelation = PMA_getRelationsParam();
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if ($cfgRelation['pdfwork']) {
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$pageNumber = PMA_REL_createPage(
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$pageName,
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$cfgRelation,
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$db
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);
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return $pageNumber;
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}
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return null;
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}
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/**
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* Saves positions of table(s) of a given pdf page
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*
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* @param int $pg pdf page id
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*
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* @return boolean success/failure
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*/
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function PMA_saveTablePositions($pg)
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{
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$cfgRelation = PMA_getRelationsParam();
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if (! $cfgRelation['pdfwork']) {
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return null;
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}
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$queury = "DELETE FROM " . PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
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. "." . PMA_Util::backquote($GLOBALS['cfgRelation']['table_coords'])
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. " WHERE `db_name` = '" . PMA_Util::sqlAddSlashes($_REQUEST['db']) . "'"
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. " AND `pdf_page_number` = '" . PMA_Util::sqlAddSlashes($pg) . "'";
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$res = PMA_queryAsControlUser($queury, true, PMA_DatabaseInterface::QUERY_STORE);
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if ($res) {
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foreach ($_REQUEST['t_h'] as $key => $value) {
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list($DB, $TAB) = explode(".", $key);
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if ($value) {
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$queury = "INSERT INTO "
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. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . "."
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. PMA_Util::backquote($GLOBALS['cfgRelation']['table_coords'])
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. " (`db_name`, `table_name`, `pdf_page_number`, `x`, `y`)"
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. " VALUES ("
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. "'" . PMA_Util::sqlAddSlashes($DB) . "', "
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. "'" . PMA_Util::sqlAddSlashes($TAB) . "', "
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. "'" . PMA_Util::sqlAddSlashes($pg) . "', "
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. "'" . PMA_Util::sqlAddSlashes($_REQUEST['t_x'][$key]) . "', "
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. "'" . PMA_Util::sqlAddSlashes($_REQUEST['t_y'][$key]) . "')";
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$res = PMA_queryAsControlUser(
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$queury, true, PMA_DatabaseInterface::QUERY_STORE
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);
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}
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}
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}
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return $res;
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}
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/**
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* Saves the display field for a table.
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*
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* @param string $db database name
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* @param string $table table name
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* @param string $field display field name
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*
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* @return boolean
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*/
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function PMA_saveDisplayField($db, $table, $field)
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{
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$cfgRelation = PMA_getRelationsParam();
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if (!$cfgRelation['displaywork']) {
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return false;
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}
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$disp = PMA_getDisplayField($db, $table);
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if ($disp && $disp === $field) {
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$field = '';
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}
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include_once 'libraries/tbl_relation.lib.php';
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PMA_handleUpdateForDisplayField($disp, $field, $db, $table, $cfgRelation);
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return true;
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}
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/**
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* Adds a new foreign relation
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*
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* @param string $db database name
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* @param string $T1 foreign table
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* @param string $F1 foreign field
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* @param string $T2 master table
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* @param string $F2 master field
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* @param string $on_delete on delete action
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* @param string $on_update on update action
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*
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* @return array array of success/failure and message
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*/
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function PMA_addNewRelation($db, $T1, $F1, $T2, $F2, $on_delete, $on_update)
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{
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$tables = $GLOBALS['dbi']->getTablesFull($db, $T1);
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$type_T1 = /*overload*/mb_strtoupper($tables[$T1]['ENGINE']);
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$tables = $GLOBALS['dbi']->getTablesFull($db, $T2);
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$type_T2 = /*overload*/mb_strtoupper($tables[$T2]['ENGINE']);
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// native foreign key
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if (PMA_Util::isForeignKeySupported($type_T1)
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&& PMA_Util::isForeignKeySupported($type_T2)
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&& $type_T1 == $type_T2
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) {
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// relation exists?
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$existrel_foreign = PMA_getForeigners($db, $T2, '', 'foreign');
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$foreigner = PMA_searchColumnInForeigners($existrel_foreign, $F2);
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if ($foreigner
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&& isset($foreigner['constraint'])
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) {
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return array(false, __('Error: relation already exists.'));
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}
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// note: in InnoDB, the index does not requires to be on a PRIMARY
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// or UNIQUE key
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// improve: check all other requirements for InnoDB relations
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$result = $GLOBALS['dbi']->query(
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'SHOW INDEX FROM ' . PMA_Util::backquote($db)
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. '.' . PMA_Util::backquote($T1) . ';'
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);
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// will be use to emphasis prim. keys in the table view
|
|
$index_array1 = array();
|
|
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
|
|
$index_array1[$row['Column_name']] = 1;
|
|
}
|
|
$GLOBALS['dbi']->freeResult($result);
|
|
|
|
$result = $GLOBALS['dbi']->query(
|
|
'SHOW INDEX FROM ' . PMA_Util::backquote($db)
|
|
. '.' . PMA_Util::backquote($T2) . ';'
|
|
);
|
|
// will be used to emphasis prim. keys in the table view
|
|
$index_array2 = array();
|
|
while ($row = $GLOBALS['dbi']->fetchAssoc($result)) {
|
|
$index_array2[$row['Column_name']] = 1;
|
|
}
|
|
$GLOBALS['dbi']->freeResult($result);
|
|
|
|
if (! empty($index_array1[$F1]) && ! empty($index_array2[$F2])) {
|
|
$upd_query = 'ALTER TABLE ' . PMA_Util::backquote($db)
|
|
. '.' . PMA_Util::backquote($T2)
|
|
. ' ADD FOREIGN KEY ('
|
|
. PMA_Util::backquote($F2) . ')'
|
|
. ' REFERENCES '
|
|
. PMA_Util::backquote($db) . '.'
|
|
. PMA_Util::backquote($T1) . '('
|
|
. PMA_Util::backquote($F1) . ')';
|
|
|
|
if ($on_delete != 'nix') {
|
|
$upd_query .= ' ON DELETE ' . $on_delete;
|
|
}
|
|
if ($on_update != 'nix') {
|
|
$upd_query .= ' ON UPDATE ' . $on_update;
|
|
}
|
|
$upd_query .= ';';
|
|
if ($GLOBALS['dbi']->tryQuery($upd_query)) {
|
|
return array(true, __('FOREIGN KEY relation has been added.'));
|
|
} else {
|
|
$error = $GLOBALS['dbi']->getError();
|
|
return array(
|
|
false,
|
|
__('Error: FOREIGN KEY relation could not be added!')
|
|
. "<br/>" . $error
|
|
);
|
|
}
|
|
} else {
|
|
return array(false, __('Error: Missing index on column(s).'));
|
|
}
|
|
} else { // internal (pmadb) relation
|
|
if ($GLOBALS['cfgRelation']['relwork'] == false) {
|
|
return array(false, __('Error: Relational features are disabled!'));
|
|
} else {
|
|
// no need to recheck if the keys are primary or unique at this point,
|
|
// this was checked on the interface part
|
|
|
|
$q = "INSERT INTO "
|
|
. PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. "." . PMA_Util::backquote($GLOBALS['cfgRelation']['relation'])
|
|
. "(master_db, master_table, master_field, "
|
|
. "foreign_db, foreign_table, foreign_field)"
|
|
. " values("
|
|
. "'" . PMA_Util::sqlAddSlashes($db) . "', "
|
|
. "'" . PMA_Util::sqlAddSlashes($T2) . "', "
|
|
. "'" . PMA_Util::sqlAddSlashes($F2) . "', "
|
|
. "'" . PMA_Util::sqlAddSlashes($db) . "', "
|
|
. "'" . PMA_Util::sqlAddSlashes($T1) . "', "
|
|
. "'" . PMA_Util::sqlAddSlashes($F1) . "')";
|
|
|
|
if (PMA_queryAsControlUser($q, false, PMA_DatabaseInterface::QUERY_STORE)
|
|
) {
|
|
return array(true, __('Internal relation has been added.'));
|
|
} else {
|
|
$error = $GLOBALS['dbi']->getError($GLOBALS['controllink']);
|
|
return array(
|
|
false,
|
|
__('Error: Internal relation could not be added!')
|
|
. "<br/>" . $error
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Removes a foreign relation
|
|
*
|
|
* @param string $T1 foreign db.table
|
|
* @param string $F1 foreign field
|
|
* @param string $T2 master db.table
|
|
* @param string $F2 master field
|
|
*
|
|
* @return array array of success/failure and message
|
|
*/
|
|
function PMA_removeRelation($T1, $F1, $T2, $F2)
|
|
{
|
|
list($DB1, $T1) = explode(".", $T1);
|
|
list($DB2, $T2) = explode(".", $T2);
|
|
|
|
$tables = $GLOBALS['dbi']->getTablesFull($DB1, $T1);
|
|
$type_T1 = /*overload*/mb_strtoupper($tables[$T1]['ENGINE']);
|
|
$tables = $GLOBALS['dbi']->getTablesFull($DB2, $T2);
|
|
$type_T2 = /*overload*/mb_strtoupper($tables[$T2]['ENGINE']);
|
|
|
|
if (PMA_Util::isForeignKeySupported($type_T1)
|
|
&& PMA_Util::isForeignKeySupported($type_T2)
|
|
&& $type_T1 == $type_T2
|
|
) {
|
|
// InnoDB
|
|
$existrel_foreign = PMA_getForeigners($DB2, $T2, '', 'foreign');
|
|
$foreigner = PMA_searchColumnInForeigners($existrel_foreign, $F2);
|
|
|
|
if (isset($foreigner['constraint'])) {
|
|
$upd_query = 'ALTER TABLE ' . PMA_Util::backquote($DB2)
|
|
. '.' . PMA_Util::backquote($T2) . ' DROP FOREIGN KEY '
|
|
. PMA_Util::backquote($foreigner['constraint']) . ';';
|
|
if ($GLOBALS['dbi']->query($upd_query)) {
|
|
return array(true, __('FOREIGN KEY relation has been removed.'));
|
|
}
|
|
|
|
$error = $GLOBALS['dbi']->getError();
|
|
return array(
|
|
false,
|
|
__('Error: FOREIGN KEY relation could not be removed!')
|
|
. "<br/>" . $error
|
|
);
|
|
}
|
|
}
|
|
|
|
// internal relations
|
|
$delete_query = "DELETE FROM "
|
|
. PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . "."
|
|
. $GLOBALS['cfgRelation']['relation'] . " WHERE "
|
|
. "master_db = '" . PMA_Util::sqlAddSlashes($DB2) . "'"
|
|
. " AND master_table = '" . PMA_Util::sqlAddSlashes($T2) . "'"
|
|
. " AND master_field = '" . PMA_Util::sqlAddSlashes($F2) . "'"
|
|
. " AND foreign_db = '" . PMA_Util::sqlAddSlashes($DB1) . "'"
|
|
. " AND foreign_table = '" . PMA_Util::sqlAddSlashes($T1) . "'"
|
|
. " AND foreign_field = '" . PMA_Util::sqlAddSlashes($F1) . "'";
|
|
|
|
$result = PMA_queryAsControlUser(
|
|
$delete_query,
|
|
false,
|
|
PMA_DatabaseInterface::QUERY_STORE
|
|
);
|
|
|
|
if (!$result) {
|
|
$error = $GLOBALS['dbi']->getError($GLOBALS['controllink']);
|
|
return array(
|
|
false,
|
|
__('Error: Internal relation could not be removed!') . "<br/>" . $error
|
|
);
|
|
}
|
|
|
|
return array(true, __('Internal relation has been removed.'));
|
|
}
|
|
?>
|