mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-16 19:50:44 +01:00
528 lines
11 KiB
PHP
528 lines
11 KiB
PHP
<?php
|
|
/**************************************************************************\
|
|
* phpGroupWare API - *
|
|
* Copyright (c) 1998,1999 SH Online Dienst GmbH Boris Erdmann, *
|
|
* Kristian Koehntopp *
|
|
* ------------------------------------------------------------------------ *
|
|
* This is not part of phpGroupWare, but is used by phpGroupWare. *
|
|
* http://www.phpgroupware.org/ *
|
|
* ------------------------------------------------------------------------ *
|
|
* This program is free software; you can redistribute it and/or modify it *
|
|
* under the terms of the GNU Lesser General Public License as published *
|
|
* by the Free Software Foundation; either version 2.1 of the License, or *
|
|
* any later version. *
|
|
\**************************************************************************/
|
|
|
|
/* $Id$ */
|
|
|
|
class db extends db_
|
|
{
|
|
var $Seq_Table = 'db_sequence';
|
|
|
|
// PostgreSQL changed somethings from 6.x -> 7.x
|
|
var $db_version;
|
|
|
|
function ifadd($add, $me)
|
|
{
|
|
if($add != '')
|
|
{
|
|
return ' ' . $me . $add;
|
|
}
|
|
}
|
|
|
|
/* public: constructor */
|
|
function db($query = '')
|
|
{
|
|
$this->db_($query);
|
|
}
|
|
|
|
function connect($Database = '', $Host = '', $User = '', $Password = '')
|
|
{
|
|
/* Handle defaults */
|
|
if ($Database == '')
|
|
{
|
|
$Database = $this->Database;
|
|
}
|
|
if ($Host == '')
|
|
{
|
|
$Host = $this->Host;
|
|
}
|
|
if ($User == '')
|
|
{
|
|
$User = $this->User;
|
|
}
|
|
if ($Password == '')
|
|
{
|
|
$Password = $this->Password;
|
|
}
|
|
|
|
if (! $this->Link_ID)
|
|
{
|
|
$cstr = 'dbname=' . $Database
|
|
. $this->ifadd($Host, 'host=')
|
|
. $this->ifadd($Port, 'port=')
|
|
. $this->ifadd($User, 'user=')
|
|
. $this->ifadd("'".$Password."'", 'password=');
|
|
if ($GLOBALS['phpgw_info']['server']['db_persistent'])
|
|
{
|
|
$this->Link_ID=pg_pconnect($cstr);
|
|
}
|
|
else
|
|
{
|
|
$this->Link_ID=pg_connect($cstr);
|
|
}
|
|
|
|
if (! $this->Link_ID)
|
|
{
|
|
$this->halt('Link-ID == false, '.($GLOBALS['phpgw_info']['server']['db_persistent']?'p':'').'connect failed');
|
|
}
|
|
else
|
|
{
|
|
$this->query("select version()",__LINE__,__FILE__);
|
|
$this->next_record();
|
|
|
|
$version = $this->f('version');
|
|
$parts = explode(' ',$version);
|
|
$this->db_version = $parts[1];
|
|
}
|
|
}
|
|
}
|
|
|
|
function to_timestamp($epoch)
|
|
{
|
|
$db_version = $this->db_version;
|
|
if (floor($db_version) == 6)
|
|
{
|
|
return $this->to_timestamp_6($epoch);
|
|
}
|
|
else
|
|
{
|
|
return $this->to_timestamp_7($epoch);
|
|
}
|
|
}
|
|
|
|
function from_timestamp($timestamp)
|
|
{
|
|
if (floor($this->db_version) == 6)
|
|
{
|
|
return $this->from_timestamp_6($timestamp);
|
|
}
|
|
else
|
|
{
|
|
return $this->from_timestamp_7($timestamp);
|
|
}
|
|
}
|
|
|
|
// For PostgreSQL 6.x
|
|
function to_timestamp_6($epoch)
|
|
{
|
|
|
|
}
|
|
|
|
// For PostgreSQL 6.x
|
|
function from_timestamp_6($timestamp)
|
|
{
|
|
|
|
}
|
|
|
|
// For PostgreSQL 7.x
|
|
function to_timestamp_7($epoch)
|
|
{
|
|
// This needs the GMT offset!
|
|
return date('Y-m-d H:i:s-00',$epoch);
|
|
}
|
|
|
|
// For PostgreSQL 7.x
|
|
function from_timestamp_7($timestamp)
|
|
{
|
|
ereg('([0-9]{4})-([0-9]{2})-([0-9]{2}) ([0-9]{2}):([0-9]{2}):([0-9]{2})',$timestamp,$parts);
|
|
|
|
return mktime($parts[4],$parts[5],$parts[6],$parts[2],$parts[3],$parts[1]);
|
|
}
|
|
|
|
/* This only affects systems not using persistant connections */
|
|
function disconnect()
|
|
{
|
|
return @pg_close($this->Link_ID);
|
|
}
|
|
|
|
function query($Query_String, $line = '', $file = '')
|
|
{
|
|
if ($Query_String == '')
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
$this->connect();
|
|
|
|
/* printf("<br>Debug: query = %s<br>\n", $Query_String); */
|
|
|
|
$this->Query_ID = @pg_Exec($this->Link_ID, $Query_String);
|
|
$this->Row = 0;
|
|
|
|
$this->Error = pg_ErrorMessage($this->Link_ID);
|
|
$this->Errno = ($this->Error == '') ? 0 : 1;
|
|
if (! $this->Query_ID)
|
|
{
|
|
$this->halt('Invalid SQL: ' . $Query_String, $line, $file);
|
|
}
|
|
|
|
return $this->Query_ID;
|
|
}
|
|
|
|
function limit_query($Query_String, $offset, $line = '', $file = '', $num_rows = '')
|
|
{
|
|
if (! $num_rows)
|
|
{
|
|
$num_rows = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
|
|
}
|
|
|
|
if ($offset == 0)
|
|
{
|
|
$Query_String .= ' LIMIT ' . $num_rows;
|
|
}
|
|
else
|
|
{
|
|
$Query_String .= ' LIMIT ' . $num_rows . ' OFFSET ' . $offset;
|
|
}
|
|
|
|
if ($this->Debug)
|
|
{
|
|
printf("Debug: limit_query = %s<br>offset=%d, num_rows=%d<br>\n", $Query_String, $offset, $num_rows);
|
|
}
|
|
|
|
return $this->query($Query_String, $line, $file);
|
|
}
|
|
|
|
function free()
|
|
{
|
|
@pg_freeresult($this->Query_ID);
|
|
$this->Query_ID = 0;
|
|
}
|
|
|
|
function next_record()
|
|
{
|
|
$this->Record = @pg_fetch_array($this->Query_ID, $this->Row++);
|
|
|
|
$this->Error = pg_ErrorMessage($this->Link_ID);
|
|
$this->Errno = ($this->Error == '') ? 0 : 1;
|
|
|
|
$stat = is_array($this->Record);
|
|
if (!$stat && $this->Auto_Free)
|
|
{
|
|
pg_freeresult($this->Query_ID);
|
|
$this->Query_ID = 0;
|
|
}
|
|
return $stat;
|
|
}
|
|
|
|
function seek($pos)
|
|
{
|
|
$this->Row = $pos;
|
|
}
|
|
|
|
function transaction_begin()
|
|
{
|
|
return $this->query('begin');
|
|
}
|
|
|
|
function transaction_commit()
|
|
{
|
|
if (! $this->Errno)
|
|
{
|
|
return pg_Exec($this->Link_ID,'commit');
|
|
}
|
|
else
|
|
{
|
|
return False;
|
|
}
|
|
}
|
|
|
|
function transaction_abort()
|
|
{
|
|
return pg_Exec($this->Link_ID,'rollback');
|
|
}
|
|
|
|
function get_last_insert_id($table, $field)
|
|
{
|
|
if (!isset($table) || $table == '' || !isset($field) || $field == '')
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
$oid = pg_getlastoid($this->Query_ID);
|
|
if ($oid == -1)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
$result = @pg_Exec($this->Link_ID, "select $field from $table where oid=$oid");
|
|
if (!$result)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
$Record = @pg_fetch_array($result, 0);
|
|
@pg_freeresult($result);
|
|
if (!is_array($Record)) /* OID not found? */
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
return $Record[0];
|
|
}
|
|
|
|
function lock($table, $mode = 'write')
|
|
{
|
|
$result = $this->transaction_begin();
|
|
|
|
if ($mode == 'write')
|
|
{
|
|
if (is_array($table))
|
|
{
|
|
while ($t = each($table))
|
|
{
|
|
$result = pg_Exec($this->Link_ID,'lock table ' . $t[1] . ' in share mode');
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$result = pg_Exec($this->Link_ID, 'lock table ' . $table . ' in share mode');
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$result = 1;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
function unlock()
|
|
{
|
|
return $this->transaction_commit();
|
|
}
|
|
|
|
|
|
function nextid($seq_name)
|
|
{
|
|
$this->connect();
|
|
|
|
if ($this->lock($this->Seq_Table))
|
|
{
|
|
/* get sequence number (locked) and increment */
|
|
$q = sprintf("select nextid from %s where seq_name = '%s'",
|
|
$this->Seq_Table,
|
|
$seq_name);
|
|
$id = @pg_Exec($this->Link_ID, $q);
|
|
$res = @pg_Fetch_Array($id, 0);
|
|
|
|
/* No current value, make one */
|
|
if (!is_array($res))
|
|
{
|
|
$currentid = 0;
|
|
$q = sprintf("insert into %s values('%s', %s)",
|
|
$this->Seq_Table,
|
|
$seq_name,
|
|
$currentid);
|
|
$id = @pg_Exec($this->Link_ID, $q);
|
|
}
|
|
else
|
|
{
|
|
$currentid = $res['nextid'];
|
|
}
|
|
$nextid = $currentid + 1;
|
|
$q = sprintf("update %s set nextid = '%s' where seq_name = '%s'",
|
|
$this->Seq_Table,
|
|
$nextid,
|
|
$seq_name);
|
|
$id = @pg_Exec($this->Link_ID, $q);
|
|
$this->unlock();
|
|
}
|
|
else
|
|
{
|
|
$this->halt('cannot lock ' . $this->Seq_Table . ' - has it been created?');
|
|
return 0;
|
|
}
|
|
return $nextid;
|
|
}
|
|
|
|
function metadata($table)
|
|
{
|
|
$count = 0;
|
|
$id = 0;
|
|
$res = array();
|
|
|
|
$this->connect();
|
|
$id = pg_exec($this->Link_ID, "select * from $table");
|
|
if ($id < 0)
|
|
{
|
|
$this->Error = pg_ErrorMessage($id);
|
|
$this->Errno = 1;
|
|
$this->halt('Metadata query failed.');
|
|
}
|
|
$count = pg_NumFields($id);
|
|
|
|
for ($i=0; $i<$count; $i++)
|
|
{
|
|
$res[$i]['table'] = $table;
|
|
$res[$i]['name'] = pg_FieldName ($id, $i);
|
|
$res[$i]['type'] = pg_FieldType ($id, $i);
|
|
$res[$i]['len'] = pg_FieldSize ($id, $i);
|
|
$res[$i]['flags'] = '';
|
|
}
|
|
|
|
pg_FreeResult($id);
|
|
return $res;
|
|
}
|
|
|
|
function affected_rows()
|
|
{
|
|
return pg_cmdtuples($this->Query_ID);
|
|
}
|
|
|
|
function num_rows()
|
|
{
|
|
return pg_numrows($this->Query_ID);
|
|
}
|
|
|
|
function num_fields()
|
|
{
|
|
return pg_numfields($this->Query_ID);
|
|
}
|
|
|
|
function halt($msg, $line = '', $file = '')
|
|
{
|
|
if ($this->Halt_On_Error == 'no')
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Just in case there is a table currently locked */
|
|
$this->transaction_abort();
|
|
|
|
|
|
if ($this->xmlrpc || $this->soap)
|
|
{
|
|
$s = sprintf("Database error: %s\n", $msg);
|
|
$s .= sprintf("PostgreSQL Error: %s\n\n (%s)\n\n",$this->Errno,$this->Error);
|
|
}
|
|
else
|
|
{
|
|
$s = sprintf("<b>Database error:</b> %s<br>\n", $msg);
|
|
$s .= sprintf("<b>PostgreSQL Error</b>: %s (%s)<br>\n",$this->Errno,$this->Error);
|
|
}
|
|
|
|
if ($file)
|
|
{
|
|
if ($this->xmlrpc || $this->soap)
|
|
{
|
|
$s .= sprintf("File: %s\n",$file);
|
|
}
|
|
else
|
|
{
|
|
$s .= sprintf("<br><b>File:</b> %s",$file);
|
|
}
|
|
}
|
|
|
|
if ($line)
|
|
{
|
|
if ($this->xmlrpc || $this->soap)
|
|
{
|
|
$s .= sprintf("Line: %s\n",$line);
|
|
}
|
|
else
|
|
{
|
|
$s .= sprintf("<br><b>Line:</b> %s",$line);
|
|
}
|
|
}
|
|
|
|
if ($this->Halt_On_Error == 'yes')
|
|
{
|
|
if (! $this->xmlrpc && ! $this->soap)
|
|
{
|
|
$s .= '<p><b>Session halted.</b>';
|
|
}
|
|
}
|
|
|
|
if ($this->xmlrpc)
|
|
{
|
|
xmlrpcfault($s);
|
|
}
|
|
elseif ($this->soap)
|
|
{
|
|
|
|
}
|
|
else
|
|
{
|
|
echo $s;
|
|
$GLOBALS['phpgw']->common->phpgw_exit(True);
|
|
}
|
|
}
|
|
|
|
function table_names()
|
|
{
|
|
$return = array();
|
|
$this->query("select relname from pg_class where relkind = 'r' and not relname like 'pg_%'");
|
|
$i=0;
|
|
while ($this->next_record())
|
|
{
|
|
$return[$i]['table_name']= $this->f(0);
|
|
$return[$i]['tablespace_name']=$this->Database;
|
|
$return[$i]['database']=$this->Database;
|
|
$i++;
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
function index_names()
|
|
{
|
|
$this->query("SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*' AND relkind ='i' ORDER BY relname");
|
|
$i=0;
|
|
while ($this->next_record())
|
|
{
|
|
$return[$i]['index_name']= $this->f(0);
|
|
$return[$i]['tablespace_name']=$this->Database;
|
|
$return[$i]['database']=$this->Database;
|
|
$i++;
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
function create_database($adminname = '', $adminpasswd = '')
|
|
{
|
|
$currentUser = $this->User;
|
|
$currentPassword = $this->Password;
|
|
$currentDatabase = $this->Database;
|
|
|
|
if ($adminname != "")
|
|
{
|
|
$this->User = $adminname;
|
|
$this->Password = $adminpasswd;
|
|
}
|
|
|
|
if (! $this->Host)
|
|
{
|
|
system('createdb ' . $currentDatabase, $outval);
|
|
}
|
|
else
|
|
{
|
|
system('createdb -h ' . $this->Host . ' ' . $currentDatabase, $outval);
|
|
}
|
|
|
|
if($outval != 0)
|
|
{
|
|
/* either the rights r not available or the postmaster is not running .... */
|
|
echo 'database creation failure <BR>';
|
|
echo 'please setup the postreSQL database manually<BR>';
|
|
}
|
|
|
|
$this->User = $currentUser;
|
|
$this->Password = $currentPassword;
|
|
$this->Database = $currentDatabase;
|
|
$this->connect();
|
|
//return $return;
|
|
}
|
|
}
|
|
|