library/adodb/drivers/adodb-pdo_oci.inc.php

   1 <?php
   2
   3
   4 /*
   5 V5.14 8 Sept 2011  (c) 2000-2011 John Lim (jlim#natsoft.com). All rights reserved.
   6   Released under both BSD license and Lesser GPL library license.
   7   Whenever there is any discrepancy between the two licenses,
   8   the BSD license will take precedence.
   9   Set tabs to 8.
  10
  11 */
  12
  13 class ADODB_pdo_oci extends ADODB_pdo_base {
  14
  15         var $concat_operator='||';
  16         var $sysDate = "TRUNC(SYSDATE)";
  17         var $sysTimeStamp = 'SYSDATE';
  18         var $NLS_DATE_FORMAT = 'YYYY-MM-DD';  // To include time, use 'RRRR-MM-DD HH24:MI:SS'
  19         var $random = "abs(mod(DBMS_RANDOM.RANDOM,10000001)/10000000)";
  20         var $metaTablesSQL = "select table_name,table_type from cat where table_type in ('TABLE','VIEW')";
  21         var $metaColumnsSQL = "select cname,coltype,width, SCALE, PRECISION, NULLS, DEFAULTVAL from col where tname='%s' order by colno";
  22
  23         var $_initdate = true;
  24         var $_hasdual = true;
  25
  26         function _init($parentDriver)
  27         {
  28                 $parentDriver->_bindInputArray = true;
  29                 $parentDriver->_nestedSQL = true;
  30                 if ($this->_initdate) {
  31                         $parentDriver->Execute("ALTER SESSION SET NLS_DATE_FORMAT='".$this->NLS_DATE_FORMAT."'");
  32                 }
  33         }
  34
  35         function MetaTables($ttype=false,$showSchema=false,$mask=false)
  36         {
  37                 if ($mask) {
  38                         $save = $this->metaTablesSQL;
  39                         $mask = $this->qstr(strtoupper($mask));
  40                         $this->metaTablesSQL .= " AND table_name like $mask";
  41                 }
  42                 $ret = ADOConnection::MetaTables($ttype,$showSchema);
  43
  44                 if ($mask) {
  45                         $this->metaTablesSQL = $save;
  46                 }
  47                 return $ret;
  48         }
  49
  50         function MetaColumns($table,$normalize=true)
  51         {
  52         global $ADODB_FETCH_MODE;
  53
  54                 $false = false;
  55                 $save = $ADODB_FETCH_MODE;
  56                 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
  57                 if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
  58
  59                 $rs = $this->Execute(sprintf($this->metaColumnsSQL,strtoupper($table)));
  60
  61                 if (isset($savem)) $this->SetFetchMode($savem);
  62                 $ADODB_FETCH_MODE = $save;
  63                 if (!$rs) {
  64                         return $false;
  65                 }
  66                 $retarr = array();
  67                 while (!$rs->EOF) { //print_r($rs->fields);
  68                         $fld = new ADOFieldObject();
  69                         $fld->name = $rs->fields[0];
  70                         $fld->type = $rs->fields[1];
  71                         $fld->max_length = $rs->fields[2];
  72                         $fld->scale = $rs->fields[3];
  73                         if ($rs->fields[1] == 'NUMBER' && $rs->fields[3] == 0) {
  74                                 $fld->type ='INT';
  75                         $fld->max_length = $rs->fields[4];
  76                 }
  77                         $fld->not_null = (strncmp($rs->fields[5], 'NOT',3) === 0);
  78                         $fld->binary = (strpos($fld->type,'BLOB') !== false);
  79                         $fld->default_value = $rs->fields[6];
  80
  81                         if ($ADODB_FETCH_MODE == ADODB_FETCH_NUM) $retarr[] = $fld;
  82                         else $retarr[strtoupper($fld->name)] = $fld;
  83                         $rs->MoveNext();
  84                 }
  85                 $rs->Close();
  86                 if (empty($retarr))
  87                         return  $false;
  88                 else
  89                         return $retarr;
  90         }
  91 }
  92
  93 ?>