[Phpgroupware-cvs] phpgwapi/inc/adodb/drivers/adodb-sybase.inc.php, 1.1.2.1

[nomail]

Update of /phpgwapi/inc/adodb/drivers
Added Files:
        Branch: proposed-0_9_18-branch
          adodb-sybase.inc.php

date: 2004/12/30 04:51:48;  author: skwashd;  state: Exp;  lines: +413 -0

Log Message:
switch to ADOdb
=====================================================================
<?php
/* 
V4.54 5 Nov 2004  (c) 2000-2004 John Lim. All rights reserved.
  Released under both BSD license and Lesser GPL library license. 
  Whenever there is any discrepancy between the two licenses, 
  the BSD license will take precedence. 
  Set tabs to 4 for best viewing.
  
  Latest version is available at http://adodb.sourceforge.net
  
  Sybase driver contributed by Toni (address@hidden)
  
  - MSSQL date patch applied.
  
  Date patch by Toni 15 Feb 2002
*/
 
 // security - hide paths
if (!defined('ADODB_DIR')) die();

class ADODB_sybase extends ADOConnection {
        var $databaseType = "sybase";   
        var $dataProvider = 'sybase';
        var $replaceQuote = "''"; // string to use to replace quotes
        var $fmtDate = "'Y-m-d'";
        var $fmtTimeStamp = "'Y-m-d H:i:s'";
        var $hasInsertID = true;
        var $hasAffectedRows = true;
        var $metaTablesSQL="select name from sysobjects where type='U' or 
type='V'";
        // see 
http://sybooks.sybase.com/onlinebooks/group-aw/awg0800e/dbrfen8/@ebt-link;pt=5981;uf=0?target=0;window=new;showtoc=true;book=dbrfen8
        var $metaColumnsSQL = "SELECT c.column_name, c.column_type, c.width 
FROM syscolumn c, systable t WHERE t.table_name='%s' AND c.table_id=t.table_id 
AND t.table_type='BASE'";
        /*
        "select c.name,t.name,c.length from 
        syscolumns c join systypes t on t.xusertype=c.xusertype join sysobjects 
o on o.id=c.id 
        where o.name='%s'";
        */
        var $concat_operator = '+'; 
        var $arrayClass = 'ADORecordSet_array_sybase';
        var $sysDate = 'GetDate()';
        var $leftOuter = '*=';
        var $rightOuter = '=*';
        
        function ADODB_sybase() 
        {                       
        }
 
        // might require begintrans -- committrans
        function _insertid()
        {
                return $this->GetOne('select @@identity');
        }
          // might require begintrans -- committrans
        function _affectedrows()
        {
           return $this->GetOne('select @@rowcount');
        }

                          
        function BeginTrans()
        {       
        
                if ($this->transOff) return true;
                $this->transCnt += 1;
                   
                $this->Execute('BEGIN TRAN');
                return true;
        }
        
        function CommitTrans($ok=true) 
        { 
                if ($this->transOff) return true;
                
                if (!$ok) return $this->RollbackTrans();
        
                $this->transCnt -= 1;
                $this->Execute('COMMIT TRAN');
                return true;
        }
        
        function RollbackTrans()
        {
                if ($this->transOff) return true;
                $this->transCnt -= 1;
                $this->Execute('ROLLBACK TRAN');
                return true;
        }
        
        // http://www.isug.com/Sybase_FAQ/ASE/section6.1.html#6.1.4
        function RowLock($tables,$where) 
        {
                if (!$this->_hastrans) $this->BeginTrans();
                $tables = str_replace(',',' HOLDLOCK,',$tables);
                return $this->GetOne("select top 1 null as ignore from $tables 
HOLDLOCK where $where");
                
        }       
                
        function SelectDB($dbName) 
        {
                $this->databaseName = $dbName;
                if ($this->_connectionID) {
                        return @sybase_select_db($dbName);              
                }
                else return false;      
        }

        /*      Returns: the last error message from previous database operation
                Note: This function is NOT available for Microsoft SQL Server.  
*/      

        
        function ErrorMsg()
        {
                if ($this->_logsql) return $this->_errorMsg;
                if (function_exists('sybase_get_last_message'))
                        $this->_errorMsg = sybase_get_last_message();
                else
                        $this->_errorMsg = isset($php_errormsg) ? $php_errormsg 
: 'SYBASE error messages not supported on this platform';
                return $this->_errorMsg;
        }

        // returns true or false
        function _connect($argHostname, $argUsername, $argPassword, 
$argDatabasename)
        {
                if (!function_exists('sybase_connect')) return null;
                
                $this->_connectionID = 
sybase_connect($argHostname,$argUsername,$argPassword);
                if ($this->_connectionID === false) return false;
                if ($argDatabasename) return $this->SelectDB($argDatabasename);
                return true;    
        }
        // returns true or false
        function _pconnect($argHostname, $argUsername, $argPassword, 
$argDatabasename)
        {
                if (!function_exists('sybase_connect')) return null;
                
                $this->_connectionID = 
sybase_pconnect($argHostname,$argUsername,$argPassword);
                if ($this->_connectionID === false) return false;
                if ($argDatabasename) return $this->SelectDB($argDatabasename);
                return true;    
        }
        
        // returns query ID if successful, otherwise false
        function _query($sql,$inputarr)
        {
        global $ADODB_COUNTRECS;
        
                if ($ADODB_COUNTRECS == false && ADODB_PHPVER >= 0x4300)
                        return 
sybase_unbuffered_query($sql,$this->_connectionID);
                else
                        return sybase_query($sql,$this->_connectionID);
        }
        
        // See http://www.isug.com/Sybase_FAQ/ASE/section6.2.html#6.2.12
        function 
&SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs2cache=0) 
        {
                if ($secs2cache > 0) {// we do not cache rowcount, so we have 
to load entire recordset
                        $rs =& 
ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
                        return $rs;
                }
                $cnt = ($nrows >= 0) ? $nrows : 999999999;
                if ($offset > 0 && $cnt) $cnt += $offset;
                
                $this->Execute("set rowcount $cnt"); 
                $rs =& 
ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,0);
                $this->Execute("set rowcount 0");
                
                return $rs;
        }

        // returns true or false
        function _close()
        { 
                return @sybase_close($this->_connectionID);
        }
        
        function UnixDate($v)
        {
                return ADORecordSet_array_sybase::UnixDate($v);
        }
        
        function UnixTimeStamp($v)
        {
                return ADORecordSet_array_sybase::UnixTimeStamp($v);
        }       
        
        

        # Added 2003-10-05 by Chris Phillipson
    # Used ASA SQL Reference Manual -- 
http://sybooks.sybase.com/onlinebooks/group-aw/awg0800e/dbrfen8/@ebt-link;pt=16756?target=%25N%15_12018_START_RESTART_N%25
    # to convert similar Microsoft SQL*Server (mssql) API into Sybase 
compatible version
    // Format date column in sql string given an input format that understands 
Y M D
    function SQLDate($fmt, $col=false)
    {
        if (!$col) $col = $this->sysTimeStamp;
        $s = '';

        $len = strlen($fmt);
        for ($i=0; $i < $len; $i++) {
            if ($s) $s .= '+';
            $ch = $fmt[$i];
            switch($ch) {
            case 'Y':
            case 'y':
                $s .= "datename(yy,$col)";
                break;
            case 'M':
                $s .= "convert(char(3),$col,0)";
                break;
            case 'm':
                $s .= "replace(str(month($col),2),' ','0')";
                break;
            case 'Q':
            case 'q':
                $s .= "datename(qq,$col)";
                break;
            case 'D':
            case 'd':
                $s .= "replace(str(datepart(dd,$col),2),' ','0')";
                break;
            case 'h':
                $s .= "substring(convert(char(14),$col,0),13,2)";
                break;

            case 'H':
                $s .= "replace(str(datepart(hh,$col),2),' ','0')";
                break;

            case 'i':
                $s .= "replace(str(datepart(mi,$col),2),' ','0')";
                break;
            case 's':
                $s .= "replace(str(datepart(ss,$col),2),' ','0')";
                break;
            case 'a':
            case 'A':
                $s .= "substring(convert(char(19),$col,0),18,2)";
                break;

            default:
                if ($ch == '\\') {
                    $i++;
                    $ch = substr($fmt,$i,1);
                }
                $s .= $this->qstr($ch);
                break;
            }
        }
        return $s;
    }
        
        # Added 2003-10-07 by Chris Phillipson
    # Used ASA SQL Reference Manual -- 
http://sybooks.sybase.com/onlinebooks/group-aw/awg0800e/dbrfen8/@ebt-link;pt=5981;uf=0?target=0;window=new;showtoc=true;book=dbrfen8
    # to convert similar Microsoft SQL*Server (mssql) API into Sybase 
compatible version
    function MetaPrimaryKeys($table)
    {
        $sql = "SELECT c.column_name " .
               "FROM syscolumn c, systable t " .
               "WHERE t.table_name='$table' AND c.table_id=t.table_id " .
               "AND t.table_type='BASE' " .
               "AND c.pkey = 'Y' " .
               "ORDER BY c.column_id";

        $a = $this->GetCol($sql);
        if ($a && sizeof($a)>0) return $a;
        return false;
    }
}
        
/*--------------------------------------------------------------------------------------
         Class Name: Recordset
--------------------------------------------------------------------------------------*/
global $ADODB_sybase_mths;
$ADODB_sybase_mths = array(
        'JAN'=>1,'FEB'=>2,'MAR'=>3,'APR'=>4,'MAY'=>5,'JUN'=>6,
        'JUL'=>7,'AUG'=>8,'SEP'=>9,'OCT'=>10,'NOV'=>11,'DEC'=>12);

class ADORecordset_sybase extends ADORecordSet {        

        var $databaseType = "sybase";
        var $canSeek = true;
        // _mths works only in non-localised system
        var  $_mths = 
array('JAN'=>1,'FEB'=>2,'MAR'=>3,'APR'=>4,'MAY'=>5,'JUN'=>6,'JUL'=>7,'AUG'=>8,'SEP'=>9,'OCT'=>10,'NOV'=>11,'DEC'=>12);
    

        function ADORecordset_sybase($id,$mode=false)
        {
                if ($mode === false) { 
                        global $ADODB_FETCH_MODE;
                        $mode = $ADODB_FETCH_MODE;
                }
                if (!$mode) $this->fetchMode = ADODB_FETCH_ASSOC;
                else $this->fetchMode = $mode;
                return $this->ADORecordSet($id,$mode);
        }
        
        /*      Returns: an object containing field information. 
                Get column information in the Recordset object. fetchField() 
can be used in order to obtain information about
                fields in a certain query result. If the field offset isn't 
specified, the next field that wasn't yet retrieved by
                fetchField() is retrieved.      */
        function &FetchField($fieldOffset = -1) 
        {
                if ($fieldOffset != -1) {
                        $o = @sybase_fetch_field($this->_queryID, $fieldOffset);
                }
                else if ($fieldOffset == -1) {  /*      The $fieldOffset 
argument is not provided thus its -1   */
                        $o = @sybase_fetch_field($this->_queryID);
                }
                // older versions of PHP did not support type, only numeric
                if ($o && !isset($o->type)) $o->type = ($o->numeric) ? 'float' 
: 'varchar';
                return $o;
        }
        
        function _initrs()
        {
        global $ADODB_COUNTRECS;
                $this->_numOfRows = ($ADODB_COUNTRECS)? 
@sybase_num_rows($this->_queryID):-1;
                $this->_numOfFields = @sybase_num_fields($this->_queryID);
        }
        
        function _seek($row) 
        {
                return @sybase_data_seek($this->_queryID, $row);
        }               

        function _fetch($ignore_fields=false) 
        {
                if ($this->fetchMode == ADODB_FETCH_NUM) {
                        $this->fields = @sybase_fetch_row($this->_queryID);
                } else if ($this->fetchMode == ADODB_FETCH_ASSOC) {
                        $this->fields = @sybase_fetch_row($this->_queryID);
                        if (is_array($this->fields)) {
                                $this->fields = 
$this->GetRowAssoc(ADODB_ASSOC_CASE);
                                return true;
                        }
                        return false;
                }  else {
                        $this->fields = @sybase_fetch_array($this->_queryID);
                }
                if ( is_array($this->fields)) {
                        return true;
                }

                return false;
        }
        
        /*      close() only needs to be called if you are worried about using 
too much memory while your script
                is running. All associated result memory for the specified 
result identifier will automatically be freed.       */
        function _close() {
                return @sybase_free_result($this->_queryID);            
        }
        
        // sybase/mssql uses a default date like Dec 30 2000 12:00AM
        function UnixDate($v)
        {
                return ADORecordSet_array_sybase::UnixDate($v);
        }
        
        function UnixTimeStamp($v)
        {
                return ADORecordSet_array_sybase::UnixTimeStamp($v);
        }
}

class ADORecordSet_array_sybase extends ADORecordSet_array {
        function ADORecordSet_array_sybase($id=-1)
        {
                $this->ADORecordSet_array($id);
        }
        
                // sybase/mssql uses a default date like Dec 30 2000 12:00AM
        function UnixDate($v)
        {
        global $ADODB_sybase_mths;
        
                //Dec 30 2000 12:00AM
                if (!ereg( "([A-Za-z]{3})[-/\. ]+([0-9]{1,2})[-/\. ]+([0-9]{4})"
                        ,$v, $rr)) return parent::UnixDate($v);
                        
                if ($rr[3] <= TIMESTAMP_FIRST_YEAR) return 0;
                
                $themth = substr(strtoupper($rr[1]),0,3);
                $themth = $ADODB_sybase_mths[$themth];
                if ($themth <= 0) return false;
                // h-m-s-MM-DD-YY
                return  mktime(0,0,0,$themth,$rr[2],$rr[3]);
        }
        
        function UnixTimeStamp($v)
        {
        global $ADODB_sybase_mths;
                //11.02.2001 Toni Tunkkari address@hidden
                //Changed [0-9] to [0-9 ] in day conversion
                if (!ereg( "([A-Za-z]{3})[-/\. ]([0-9 ]{1,2})[-/\. ]([0-9]{4}) 
+([0-9]{1,2}):([0-9]{1,2}) *([apAP]{0,1})"
                        ,$v, $rr)) return parent::UnixTimeStamp($v);
                if ($rr[3] <= TIMESTAMP_FIRST_YEAR) return 0;
                
                $themth = substr(strtoupper($rr[1]),0,3);
                $themth = $ADODB_sybase_mths[$themth];
                if ($themth <= 0) return false;
                
                switch (strtoupper($rr[6])) {
                case 'P':
                        if ($rr[4]<12) $rr[4] += 12;
                        break;
                case 'A':
                        if ($rr[4]==12) $rr[4] = 0;
                        break;
                default:
                        break;
                }
                // h-m-s-MM-DD-YY
                return  mktime($rr[4],$rr[5],0,$themth,$rr[2],$rr[3]);
        }
}
?>