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<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* 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/>.
*/
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
abstract class Plugin_DataObject extends Memcached_DataObject
{
function table() {
static $table = null;
if($table == null) {
$table = array();
$DB = $this->getDatabaseConnection();
$dbtype = $DB->phptype;
$tableDef = $this->tableDef();
foreach($tableDef->columns as $columnDef){
switch(strtoupper($columnDef->type)) {
/*shamelessly copied from DB_DataObject_Generator*/
case 'INT':
case 'INT2': // postgres
case 'INT4': // postgres
case 'INT8': // postgres
case 'SERIAL4': // postgres
case 'SERIAL8': // postgres
case 'INTEGER':
case 'TINYINT':
case 'SMALLINT':
case 'MEDIUMINT':
case 'BIGINT':
$type = DB_DATAOBJECT_INT;
if ($columnDef->size == 1) {
$type += DB_DATAOBJECT_BOOL;
}
break;
case 'REAL':
case 'DOUBLE':
case 'DOUBLE PRECISION': // double precision (firebird)
case 'FLOAT':
case 'FLOAT4': // real (postgres)
case 'FLOAT8': // double precision (postgres)
case 'DECIMAL':
case 'MONEY': // mssql and maybe others
case 'NUMERIC':
case 'NUMBER': // oci8
$type = DB_DATAOBJECT_INT; // should really by FLOAT!!! / MONEY...
break;
case 'YEAR':
$type = DB_DATAOBJECT_INT;
break;
case 'BIT':
case 'BOOL':
case 'BOOLEAN':
$type = DB_DATAOBJECT_BOOL;
// postgres needs to quote '0'
if ($dbtype == 'pgsql') {
$type += DB_DATAOBJECT_STR;
}
break;
case 'STRING':
case 'CHAR':
case 'VARCHAR':
case 'VARCHAR2':
case 'TINYTEXT':
case 'ENUM':
case 'SET': // not really but oh well
case 'POINT': // mysql geometry stuff - not really string - but will do..
case 'TIMESTAMPTZ': // postgres
case 'BPCHAR': // postgres
case 'INTERVAL': // postgres (eg. '12 days')
case 'CIDR': // postgres IP net spec
case 'INET': // postgres IP
case 'MACADDR': // postgress network Mac address.
case 'INTEGER[]': // postgres type
case 'BOOLEAN[]': // postgres type
$type = DB_DATAOBJECT_STR;
break;
case 'TEXT':
case 'MEDIUMTEXT':
case 'LONGTEXT':
$type = DB_DATAOBJECT_STR + DB_DATAOBJECT_TXT;
break;
case 'DATE':
$type = DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE;
break;
case 'TIME':
$type = DB_DATAOBJECT_STR + DB_DATAOBJECT_TIME;
break;
case 'DATETIME':
$type = DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME;
break;
case 'TIMESTAMP': // do other databases use this???
$type = ($dbtype == 'mysql') ?
DB_DATAOBJECT_MYSQLTIMESTAMP :
DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME;
break;
case 'BLOB': /// these should really be ignored!!!???
case 'TINYBLOB':
case 'MEDIUMBLOB':
case 'LONGBLOB':
case 'CLOB': // oracle character lob support
case 'BYTEA': // postgres blob support..
$type = DB_DATAOBJECT_STR + DB_DATAOBJECT_BLOB;
break;
default:
throw new Exception("Cannot handle datatype: $columnDef->type");
}
if(! $columnDef->nullable) {
$type+=DB_DATAOBJECT_NOTNULL;
}
$table[$columnDef->name]=$type;
}
}
return $table;
}
function keys() {
static $keys = null;
if($keys == null) {
$keys = array();
$tableDef = $this->tableDef();
foreach($tableDef->columns as $columnDef){
if($columnDef->key != null){
$keys[] = $columnDef->name;
}
}
}
return $keys;
}
function sequenceKey() {
static $sequenceKey = null;
if($sequenceKey == null) {
$sequenceKey = array(false,false);
$tableDef = $this->tableDef();
foreach($tableDef->columns as $columnDef){
if($columnDef->key == 'PRI' && $columnDef->auto_increment){
$sequenceKey=array($columnDef->name,true);
}
}
}
return $sequenceKey;
}
/**
* Get the TableDef object that represents the table backing this class
* Ideally, this function would a static function, but PHP doesn't allow
* abstract static functions
* @return TableDef TableDef instance
*/
abstract function tableDef();
}
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