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<?php
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/**
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* WbDatabaseHelper.php
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*
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* @category Core
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* @package Core_database
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* @author Manuela v.d.Decken <manuela@isteam.de>
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* @author Dietmar W. <dietmar.woellbrink@websitebaker.org>
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* @copyright Manuela v.d.Decken <manuela@isteam.de>
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* @license http://www.gnu.org/licenses/gpl.html GPL License
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* @version 0.0.9
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* @revision $Revision: 2105 $
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* @lastmodified $Date: 2014-11-24 18:41:13 +0100 (Mo, 24 Nov 2014) $
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* @deprecated from WB version number 2.9
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* @description Mysql database wrapper for use with websitebaker up to version 2.8.4
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*/
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abstract class WbDatabaseHelper {
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/**
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* Alias for isField()
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* @deprecated from WB-2.8.5 and higher
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*/
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public function field_exists($table_name, $field_name)
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{
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return $this->isField($table_name, $field_name);
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}
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/*
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* @param string full name of the table (incl. TABLE_PREFIX)
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* @param string name of the field to seek for
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* @return bool true if field exists
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*/
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public function isField($table_name, $field_name)
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{
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$sql = 'DESCRIBE `'.$table_name.'` `'.$field_name.'` ';
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$query = $this->doQuery($sql);
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return ($query->numRows() != 0);
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}
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/**
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* Alias for isIndex()
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* @deprecated from WB-2.8.5 and higher
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*/
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public function index_exists($table_name, $index_name, $number_fields = 0)
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{
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return $this->isIndex($table_name, $index_name, $number_fields = 0);
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}
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/*
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* isIndex
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* @param string full name of the table (incl. TABLE_PREFIX)
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* @param string name of the index to seek for
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* @return bool true if field exists
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*/
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public function isIndex($table_name, $index_name, $number_fields = 0)
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{
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$number_fields = intval($number_fields);
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$keys = 0;
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$sql = 'SHOW INDEX FROM `'.$table_name.'`';
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if (($res_keys = $this->doQuery($sql))) {
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while (($rec_key = $res_keys->fetchRow(MYSQL_ASSOC))) {
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if ( $rec_key['Key_name'] == $index_name ) {
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$keys++;
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}
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}
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}
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if ( $number_fields == 0 ) {
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return ($keys != $number_fields);
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} else {
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return ($keys == $number_fields);
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}
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}
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/**
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* Alias for addField()
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* @deprecated from WB-2.8.5 and higher
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*/
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public function field_add($table_name, $field_name, $description)
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{
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return $this->addField($table_name, $field_name, $description);
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}
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/*
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* @param string full name of the table (incl. TABLE_PREFIX)
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* @param string name of the field to add
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* @param string describes the new field like ( INT NOT NULL DEFAULT '0')
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* @return bool true if successful, otherwise false and error will be set
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*/
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public function addField($table_name, $field_name, $description)
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{
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if (!$this->isField($table_name, $field_name)) {
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// add new field into a table
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$sql = 'ALTER TABLE `'.$table_name.'` ADD '.$field_name.' '.$description.' ';
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$query = $this->doQuery($sql);
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$this->set_error(mysqli_error($this->oDbHandle));
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if (!$this->isError()) {
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return ( $this->isField($table_name, $field_name) ) ? true : false;
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}
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} else {
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$this->set_error('field \''.$field_name.'\' already exists');
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}
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return false;
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}
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/**
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* Alias for modifyField()
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* @deprecated from WB-2.8.5 and higher
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*/
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public function field_modify($table_name, $field_name, $description)
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{
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return $this->modifyField($table_name, $field_name, $description);
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}
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/*
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
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* @param string $field_name: name of the field to add
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* @param string $description: describes the new field like ( INT NOT NULL DEFAULT '0')
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* @return bool: true if successful, otherwise false and error will be set
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*/
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public function modifyField($table_name, $field_name, $description)
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{
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$retval = false;
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if ($this->isField($table_name, $field_name)) {
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// modify a existing field in a table
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$sql = 'ALTER TABLE `'.$table_name.'` MODIFY `'.$field_name.'` '.$description;
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$retval = ( $this->doQuery($sql) ? true : false);
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$this->setError(mysqli_error($this->oDbHandle));
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}
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return $retval;
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}
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/**
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* Alias for removeField()
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* @deprecated from WB-2.8.5 and higher
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*/
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public function field_remove($table_name, $field_name)
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{
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return $this->removeField($table_name, $field_name);
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}
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/*
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
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* @param string $field_name: name of the field to remove
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* @return bool: true if successful, otherwise false and error will be set
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*/
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public function removeField($table_name, $field_name)
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{
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$retval = false;
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if ($this->isField($table_name, $field_name)) {
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// modify a existing field in a table
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$sql = 'ALTER TABLE `'.$table_name.'` DROP `'.$field_name.'`';
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$retval = ( $this->doQuery($sql, $this->oDbHandle) ? true : false );
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}
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return $retval;
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}
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/**
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* Alias for addIndex()
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* @deprecated from WB-2.8.5 and higher
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*/
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public function index_add($table_name, $index_name, $field_list, $index_type = 'KEY')
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{
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return $this->addIndex($table_name, $index_name, $field_list, $index_type);
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}
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/*
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
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* @param string $index_name: name of the new index (empty string for PRIMARY)
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* @param string $field_list: comma seperated list of fields for this index
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* @param string $index_type: kind of index (PRIMARY, UNIQUE, KEY, FULLTEXT)
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* @return bool: true if successful, otherwise false and error will be set
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*/
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public function addIndex($table_name, $index_name, $field_list, $index_type = 'KEY')
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{
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$retval = false;
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$field_list = explode(',', (str_replace(' ', '', $field_list)));
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$number_fields = sizeof($field_list);
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$field_list = '`'.implode('`,`', $field_list).'`';
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$index_name = $index_type == 'PRIMARY' ? $index_type : $index_name;
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if ( $this->isIndex($table_name, $index_name, $number_fields) ||
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$this->isIndex($table_name, $index_name))
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{
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$sql = 'ALTER TABLE `'.$table_name.'` ';
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$sql .= 'DROP INDEX `'.$index_name.'`';
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if (!$this->doQuery($sql)) { return false; }
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}
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$sql = 'ALTER TABLE `'.$table_name.'` ';
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$sql .= 'ADD '.$index_type.' ';
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$sql .= $index_type == 'PRIMARY' ? 'KEY ' : '`'.$index_name.'` ';
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$sql .= '( '.$field_list.' ); ';
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if ($this->doQuery($sql)) { $retval = true; }
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return $retval;
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}
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/**
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* Alias for removeIndex()
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* @deprecated from WB-2.8.5 and higher
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*/
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public function index_remove($table_name, $index_name)
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{
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return $this->removeIndex($table_name, $index_name);
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}
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/*
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* @param string $table_name: full name of the table (incl. TABLE_PREFIX)
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* @param string $field_name: name of the field to remove
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* @return bool: true if successful, otherwise false and error will be set
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*/
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public function removeIndex($table_name, $index_name)
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{
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$retval = false;
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if ($this->isIndex($table_name, $index_name)) {
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// modify a existing field in a table
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$sql = 'ALTER TABLE `'.$table_name.'` DROP INDEX `'.$index_name.'`';
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$retval = ( $this->doQuery($sql) ? true : false );
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}
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return $retval;
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}
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/**
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* Alias for importSql()
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* @deprecated from WB-2.8.5 and higher
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*/
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public function SqlImport($sSqlDump,
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$sTablePrefix = '',
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$sAction = 'install',
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$sEngine = 'MyISAM',
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$sCollation = 'utf8_unicode_ci')
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{
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return $this->importSql($sSqlDump, $sTablePrefix, $sAction, $sEngine, $sCollation);
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}
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/**
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* retuns the type of the engine used for requested table
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* @param string $table name of the table, including prefix
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* @return boolean/string false on error, or name of the engine (myIsam/InnoDb)
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*/
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public function getTableEngine($table)
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{
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$retVal = false;
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$mysqlVersion = mysqli_get_server_info($this->oDbHandle);
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$engineValue = (version_compare($mysqlVersion, '5.0') < 0) ? 'Type' : 'Engine';
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$sql = 'SHOW TABLE STATUS FROM `' . $this->sDbName . '` LIKE \'' . $table . '\'';
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if (($result = $this->doQuery($sql))) {
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if (($row = $result->fetchRow(MYSQL_ASSOC))) {
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$retVal = $row[$engineValue];
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}
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}
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return $retVal;
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}
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}
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// end of class WbDatabaseHelper
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