init
This commit is contained in:
519
include/database/MysqlHelper.php
Executable file
519
include/database/MysqlHelper.php
Executable file
@@ -0,0 +1,519 @@
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<?php
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if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
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/*********************************************************************************
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* SugarCRM is a customer relationship management program developed by
|
||||
* SugarCRM, Inc. Copyright (C) 2004-2010 SugarCRM Inc.
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||||
*
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||||
* This program is free software; you can redistribute it and/or modify it under
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||||
* the terms of the GNU Affero General Public License version 3 as published by the
|
||||
* Free Software Foundation with the addition of the following permission added
|
||||
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
|
||||
* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
|
||||
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
|
||||
*
|
||||
* 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 Affero General Public License for more
|
||||
* details.
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||||
*
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||||
* You should have received a copy of the GNU Affero General Public License along with
|
||||
* this program; if not, see http://www.gnu.org/licenses or write to the Free
|
||||
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
* 02110-1301 USA.
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||||
*
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||||
* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
|
||||
* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
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||||
*
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||||
* The interactive user interfaces in modified source and object code versions
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||||
* of this program must display Appropriate Legal Notices, as required under
|
||||
* Section 5 of the GNU Affero General Public License version 3.
|
||||
*
|
||||
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
|
||||
* these Appropriate Legal Notices must retain the display of the "Powered by
|
||||
* SugarCRM" logo. If the display of the logo is not reasonably feasible for
|
||||
* technical reasons, the Appropriate Legal Notices must display the words
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||||
* "Powered by SugarCRM".
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||||
********************************************************************************/
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||||
/*********************************************************************************
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* Description: This file handles the Data base functionality for the application specific
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* to oracle database. It is called by the DBManager class to generate various sql statements.
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*
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* All the functions in this class will work with any bean which implements the meta interface.
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* Please refer the DBManager documentation for the details.
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*
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* Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
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* All Rights Reserved.
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* Contributor(s): ______________________________________..
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********************************************************************************/
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require_once('include/database/DBHelper.php');
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class MysqlHelper extends DBHelper
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{
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/**
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* @see DBHelper::createTableSQL()
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*/
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public function createTableSQL(
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SugarBean $bean
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)
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{
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$tablename = $bean->getTableName();
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$fieldDefs = $bean->getFieldDefinitions();
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$indices = $bean->getIndices();
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$engine = $this->getEngine($bean);
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return $this->createTableSQLParams($tablename, $fieldDefs, $indices, $engine);
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}
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/**
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* Generates sql for create table statement for a bean.
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*
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* @param string $tablename
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* @param array $fieldDefs
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* @param array $indices
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* @param string $engine optional, MySQL engine to use
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* @return string SQL Create Table statement
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*/
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public function createTableSQLParams(
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$tablename,
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$fieldDefs,
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$indices,
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$engine = null
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)
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{
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if ( empty($engine) && isset($fieldDefs['engine']))
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$engine = $fieldDefs['engine'];
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if ( !$this->isEngineEnabled($engine) )
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$engine = '';
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$sql = parent::createTableSQLParams($tablename,$fieldDefs,$indices);
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if (!empty($engine))
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$sql.= " ENGINE=$engine";
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return $sql;
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}
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/**
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* Returns the name of the engine to use or null if we are to use the default
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*
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* @param object $bean SugarBean instance
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* @return string
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*/
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private function getEngine(
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&$bean
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)
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{
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global $dictionary;
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$engine = null;
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if (isset($dictionary[$bean->getObjectName()]['engine'])) {
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$engine = $dictionary[$bean->getObjectName()]['engine'];
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}
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return $engine;
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}
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/**
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* Returns true if the engine given is enabled in the backend
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*
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* @param string $engine
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* @return bool
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*/
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private function isEngineEnabled(
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$engine
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)
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{
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$engine = strtoupper($engine);
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$r = $this->db->query("SHOW ENGINES");
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while ( $row = $this->db->fetchByAssoc($r) )
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if ( strtoupper($row['Engine']) == $engine )
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return ($row['Support']=='YES' || $row['Support']=='DEFAULT');
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return false;
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}
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/**
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* @see DBHelper::getColumnType()
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*/
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public function getColumnType(
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$type,
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$name = '',
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$table = ''
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)
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{
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$map = array(
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'int' => 'int',
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'double' => 'double',
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'float' => 'float',
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'uint' => 'int unsigned',
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'ulong' => 'bigint unsigned',
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'long' => 'bigint',
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'short' => 'smallint',
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'varchar' => 'varchar',
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'text' => 'text',
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'longtext' => 'longtext',
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'date' => 'date',
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'enum' => 'varchar',
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'relate' => 'varchar',
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'multienum'=> 'text',
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'html' => 'text',
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'datetime' => 'datetime',
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'datetimecombo' => 'datetime',
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'time' => 'time',
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'bool' => 'bool',
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'tinyint' => 'tinyint',
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'char' => 'char',
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'blob' => 'blob',
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'longblob' => 'longblob',
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'currency' => 'decimal(26,6)',
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'decimal' => 'decimal',
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'decimal2' => 'decimal',
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'id' => 'char(36)',
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'url'=>'varchar',
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'encrypt'=>'varchar',
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);
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return $map[$type];
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}
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/**
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* @see DBHelper::oneColumnSQLRep()
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*/
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protected function oneColumnSQLRep(
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$fieldDef,
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$ignoreRequired = false,
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$table = '',
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$return_as_array = false
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)
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{
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$ref = parent::oneColumnSQLRep($fieldDef, $ignoreRequired, $table, true);
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if ( $ref['colType'] == 'int'
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&& !empty($fieldDef['len']) )
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$ref['colType'] .= "(".$fieldDef['len'].")";
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// bug 22338 - don't set a default value on text or blob fields
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if ( isset($ref['default']) &&
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($ref['colType'] == 'text' || $ref['colType'] == 'blob'
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|| $ref['colType'] == 'longtext' || $ref['colType'] == 'longblob' ))
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$ref['default'] = '';
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if ( $return_as_array )
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return $ref;
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else
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return "{$ref['name']} {$ref['colType']} {$ref['default']} {$ref['required']} {$ref['auto_increment']}";
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}
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/**
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* @see DBHelper::changeColumnSQL()
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*/
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protected function changeColumnSQL(
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$tablename,
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$fieldDefs,
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$action,
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$ignoreRequired = false
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)
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{
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if ($this->isFieldArray($fieldDefs)){
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foreach ($fieldDefs as $def){
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if ($action == 'drop')
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$columns[] = $def['name'];
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else
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$columns[] = $this->oneColumnSQLRep($def, $ignoreRequired);
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}
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}else{
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if ($action == 'drop')
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$columns[] = $fieldDefs['name'];
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else
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$columns[] = $this->oneColumnSQLRep($fieldDefs);
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}
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return "alter table $tablename $action column ".implode(",$action column ", $columns);
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}
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/**
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* @see DBHelper::deleteColumnSQL()
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*/
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public function deleteColumnSQL(
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SugarBean $bean,
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$fieldDefs
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)
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{
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if ($this->isFieldArray($fieldDefs))
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foreach ($fieldDefs as $fieldDef)
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$columns[] = $fieldDef['name'];
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else
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$columns[] = $fieldDefs['name'];
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return "alter table ".$bean->getTableName()." drop column ".implode(", drop column ", $columns);
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}
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/**
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* @see DBHelper::keysSQL
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*/
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public function keysSQL(
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$indices,
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$alter_table = false,
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$alter_action = ''
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)
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{
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// check if the passed value is an array of fields.
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// if not, convert it into an array
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if (!$this->isFieldArray($indices))
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$indices[] = $indices;
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$columns = array();
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foreach ($indices as $index) {
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if(!empty($index['db']) && $index['db'] != 'mysql')
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continue;
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$type = $index['type'];
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$name = $index['name'];
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if (is_array($index['fields']))
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$fields = implode(", ", $index['fields']);
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else
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$fields = $index['fields'];
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switch ($type) {
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case 'unique':
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$columns[] = " UNIQUE $name ($fields)";
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break;
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case 'primary':
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$columns[] = " PRIMARY KEY ($fields)";
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break;
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case 'index':
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case 'foreign':
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case 'alternate_key':
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/**
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* @todo here it is assumed that the primary key of the foreign
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* table will always be named 'id'. It must be noted though
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* that this can easily be fixed by referring to db dictionary
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* to find the correct primary field name
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*/
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if ( $alter_table )
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$columns[] = " INDEX $name ($fields)";
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else
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$columns[] = " KEY $name ($fields)";
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break;
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case 'fulltext':
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if ($this->full_text_indexing_enabled())
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$columns[] = " FULLTEXT ($fields)";
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else
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$GLOBALS['log']->debug('MYISAM engine is not available/enabled, full-text indexes will be skipped. Skipping:',$name);
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break;
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}
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}
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$columns = implode(", $alter_action ", $columns);
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if(!empty($alter_action)){
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$columns = $alter_action . ' '. $columns;
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}
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return $columns;
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}
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/**
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* @see DBHelper::setAutoIncrement()
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*/
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protected function setAutoIncrement(
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$table,
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$field_name
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||||
)
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||||
{
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return "auto_increment";
|
||||
}
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||||
|
||||
/**
|
||||
* Sets the next auto-increment value of a column to a specific value.
|
||||
*
|
||||
* @param string $table tablename
|
||||
* @param string $field_name
|
||||
*/
|
||||
public function setAutoIncrementStart(
|
||||
$table,
|
||||
$field_name,
|
||||
$start_value
|
||||
)
|
||||
{
|
||||
$this->db->query( "ALTER TABLE $table AUTO_INCREMENT = $start_value;");
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the next value for an auto increment
|
||||
*
|
||||
* @param string $table tablename
|
||||
* @param string $field_name
|
||||
* @return string
|
||||
*/
|
||||
public function getAutoIncrement(
|
||||
$table,
|
||||
$field_name
|
||||
)
|
||||
{
|
||||
|
||||
$result = $this->db->query("SHOW TABLE STATUS LIKE '$table'");
|
||||
$row = $this->db->fetchByAssoc($result);
|
||||
if (!empty($row['Auto_increment']))
|
||||
return $row['Auto_increment'];
|
||||
|
||||
return "";
|
||||
}
|
||||
|
||||
/**
|
||||
* @see DBHelper::get_indices()
|
||||
*/
|
||||
public function get_indices(
|
||||
$tablename
|
||||
)
|
||||
{
|
||||
//find all unique indexes and primary keys.
|
||||
$result = $this->db->query("SHOW INDEX FROM $tablename");
|
||||
|
||||
$indices = array();
|
||||
while (($row=$this->db->fetchByAssoc($result)) !=null) {
|
||||
$index_type='index';
|
||||
if ($row['Key_name'] =='PRIMARY') {
|
||||
$index_type='primary';
|
||||
}
|
||||
elseif ( $row['Non_unique'] == '0' ) {
|
||||
$index_type='unique';
|
||||
}
|
||||
$name = strtolower($row['Key_name']);
|
||||
$indices[$name]['name']=$name;
|
||||
$indices[$name]['type']=$index_type;
|
||||
$indices[$name]['fields'][]=strtolower($row['Column_name']);
|
||||
}
|
||||
return $indices;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see DBHelper::get_columns()
|
||||
*/
|
||||
public function get_columns(
|
||||
$tablename
|
||||
)
|
||||
{
|
||||
//find all unique indexes and primary keys.
|
||||
$result = $this->db->query("DESCRIBE $tablename");
|
||||
|
||||
$columns = array();
|
||||
while (($row=$this->db->fetchByAssoc($result)) !=null) {
|
||||
$name = strtolower($row['Field']);
|
||||
$columns[$name]['name']=$name;
|
||||
$matches = array();
|
||||
preg_match_all("/(\w+)(?:\(([0-9]+,?[0-9]*)\)|)( unsigned)?/i", $row['Type'], $matches);
|
||||
$columns[$name]['type']=strtolower($matches[1][0]);
|
||||
if ( isset($matches[2][0]) && in_array(strtolower($matches[1][0]),array('varchar','char','varchar2','int','decimal','float')) )
|
||||
$columns[$name]['len']=strtolower($matches[2][0]);
|
||||
if ( stristr($row['Extra'],'auto_increment') )
|
||||
$columns[$name]['auto_increment'] = '1';
|
||||
if ($row['Null'] == 'NO' && !stristr($row['Key'],'PRI'))
|
||||
$columns[$name]['required'] = 'true';
|
||||
if ( !empty($row['Default']) )
|
||||
$columns[$name]['default'] = $row['Default'];
|
||||
}
|
||||
return $columns;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see DBHelper::add_drop_constraint()
|
||||
*/
|
||||
public function add_drop_constraint(
|
||||
$table,
|
||||
$definition,
|
||||
$drop = false
|
||||
)
|
||||
{
|
||||
$type = $definition['type'];
|
||||
$fields = implode(',',$definition['fields']);
|
||||
$name = $definition['name'];
|
||||
$foreignTable = isset($definition['foreignTable']) ? $definition['foreignTable'] : array();
|
||||
$sql = '';
|
||||
|
||||
switch ($type){
|
||||
// generic indices
|
||||
case 'index':
|
||||
case 'alternate_key':
|
||||
if ($drop)
|
||||
$sql = "DROP INDEX {$name} ";
|
||||
else
|
||||
$sql = "CREATE INDEX {$name} ON {$table} ({$fields})";
|
||||
break;
|
||||
// constraints as indices
|
||||
case 'unique':
|
||||
if ($drop)
|
||||
$sql = "ALTER TABLE {$table} DROP INDEX $name";
|
||||
else
|
||||
$sql = "ALTER TABLE {$table} ADD CONSTRAINT UNIQUE {$name} ({$fields})";
|
||||
break;
|
||||
case 'primary':
|
||||
if ($drop)
|
||||
$sql = "ALTER TABLE {$table} DROP PRIMARY KEY";
|
||||
else
|
||||
$sql = "ALTER TABLE {$table} ADD CONSTRAINT PRIMARY KEY ({$fields})";
|
||||
break;
|
||||
case 'foreign':
|
||||
if ($drop)
|
||||
$sql = "ALTER TABLE {$table} DROP FOREIGN KEY ({$fields})";
|
||||
else
|
||||
$sql = "ALTER TABLE {$table} ADD CONSTRAINT FOREIGN KEY {$name} ({$fields}) REFERENCES {$foreignTable}({$foreignfields})";
|
||||
break;
|
||||
}
|
||||
return $sql;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see DBHelper::number_of_columns()
|
||||
*/
|
||||
public function number_of_columns(
|
||||
$table_name
|
||||
)
|
||||
{
|
||||
$result = $this->db->query("DESCRIBE $table_name");
|
||||
|
||||
return ($this->db->getRowCount($result));
|
||||
}
|
||||
|
||||
/**
|
||||
* @see DBHelper::full_text_indexing_enabled()
|
||||
*/
|
||||
protected function full_text_indexing_enabled(
|
||||
$dbname = null
|
||||
)
|
||||
{
|
||||
return $this->isEngineEnabled('MyISAM');
|
||||
}
|
||||
|
||||
/**
|
||||
* @see DBHelper::massageFieldDef()
|
||||
*/
|
||||
public function massageFieldDef(
|
||||
&$fieldDef,
|
||||
$tablename
|
||||
)
|
||||
{
|
||||
DBHelper::massageFieldDef($fieldDef,$tablename);
|
||||
|
||||
if ( isset($fieldDef['default']) &&
|
||||
($fieldDef['dbType'] == 'text'
|
||||
|| $fieldDef['dbType'] == 'blob'
|
||||
|| $fieldDef['dbType'] == 'longtext'
|
||||
|| $fieldDef['dbType'] == 'longblob' ))
|
||||
unset($fieldDef['default']);
|
||||
if ($fieldDef['dbType'] == 'uint')
|
||||
$fieldDef['len'] = '10';
|
||||
if ($fieldDef['dbType'] == 'ulong')
|
||||
$fieldDef['len'] = '20';
|
||||
if ($fieldDef['dbType'] == 'bool')
|
||||
$fieldDef['type'] = 'tinyint';
|
||||
if ($fieldDef['dbType'] == 'bool' && empty($fieldDef['default']) )
|
||||
$fieldDef['default'] = '0';
|
||||
if (($fieldDef['dbType'] == 'varchar' || $fieldDef['dbType'] == 'enum') && empty($fieldDef['len']) )
|
||||
$fieldDef['len'] = '255';
|
||||
if ($fieldDef['dbType'] == 'uint')
|
||||
$fieldDef['len'] = '10';
|
||||
if ($fieldDef['dbType'] == 'int' && empty($fieldDef['len']) )
|
||||
$fieldDef['len'] = '11';
|
||||
}
|
||||
}
|
||||
?>
|
||||
Reference in New Issue
Block a user