lib/adodb/datadict/datadict-sapdb.inc.php

   1 <?php
   2
   3 /**
   4   V4.50 6 July 2004  (c) 2000-2008 John Lim (jlim#natsoft.com.my). All rights reserved.
   5   Released under both BSD license and Lesser GPL library license.
   6   Whenever there is any discrepancy between the two licenses,
   7   the BSD license will take precedence.
   8
   9   Set tabs to 4 for best viewing.
  10
  11   Modified from datadict-generic.inc.php for sapdb by RalfBecker-AT-outdoor-training.de
  12 */
  13
  14 // security - hide paths
  15 if (!defined('ADODB_DIR')) die();
  16
  17 class ADODB2_sapdb extends ADODB_DataDict {
  18
  19         var $databaseType = 'sapdb';
  20         var $seqField = false;
  21         var $renameColumn = 'RENAME COLUMN %s.%s TO %s';
  22
  23         function ActualType($meta)
  24         {
  25                 switch($meta) {
  26                 case 'C': return 'VARCHAR';
  27                 case 'XL':
  28                 case 'X': return 'LONG';
  29
  30                 case 'C2': return 'VARCHAR UNICODE';
  31                 case 'X2': return 'LONG UNICODE';
  32
  33                 case 'B': return 'LONG';
  34
  35                 case 'D': return 'DATE';
  36                 case 'T': return 'TIMESTAMP';
  37
  38                 case 'L': return 'BOOLEAN';
  39                 case 'I': return 'INTEGER';
  40                 case 'I1': return 'FIXED(3)';
  41                 case 'I2': return 'SMALLINT';
  42                 case 'I4': return 'INTEGER';
  43                 case 'I8': return 'FIXED(20)';
  44
  45                 case 'F': return 'FLOAT(38)';
  46                 case 'N': return 'FIXED';
  47                 default:
  48                         return $meta;
  49                 }
  50         }
  51
  52         function MetaType($t,$len=-1,$fieldobj=false)
  53         {
  54                 if (is_object($t)) {
  55                         $fieldobj = $t;
  56                         $t = $fieldobj->type;
  57                         $len = $fieldobj->max_length;
  58                 }
  59                 static $maxdb_type2adodb = array(
  60                         'VARCHAR'       => 'C',
  61                         'CHARACTER'     => 'C',
  62                         'LONG'          => 'X',         // no way to differ between 'X' and 'B' :-(
  63                         'DATE'          => 'D',
  64                         'TIMESTAMP'     => 'T',
  65                         'BOOLEAN'       => 'L',
  66                         'INTEGER'       => 'I4',
  67                         'SMALLINT'      => 'I2',
  68                         'FLOAT'         => 'F',
  69                         'FIXED'         => 'N',
  70                 );
  71                 $type = isset($maxdb_type2adodb[$t]) ? $maxdb_type2adodb[$t] : 'C';
  72
  73                 // convert integer-types simulated with fixed back to integer
  74                 if ($t == 'FIXED' && !$fieldobj->scale && ($len == 20 || $len == 3)) {
  75                         $type = $len == 20 ? 'I8' : 'I1';
  76                 }
  77                 if ($fieldobj->auto_increment) $type = 'R';
  78
  79                 return $type;
  80         }
  81
  82         // return string must begin with space
  83         function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
  84         {
  85                 $suffix = '';
  86                 if ($funsigned) $suffix .= ' UNSIGNED';
  87                 if ($fnotnull) $suffix .= ' NOT NULL';
  88                 if ($fautoinc) $suffix .= ' DEFAULT SERIAL';
  89                 elseif (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
  90                 if ($fconstraint) $suffix .= ' '.$fconstraint;
  91                 return $suffix;
  92         }
  93
  94         function AddColumnSQL($tabname, $flds)
  95         {
  96                 $tabname = $this->TableName ($tabname);
  97                 $sql = array();
  98                 list($lines,$pkey) = $this->_GenFields($flds);
  99                 return array( 'ALTER TABLE ' . $tabname . ' ADD (' . implode(', ',$lines) . ')' );
 100         }
 101
 102         function AlterColumnSQL($tabname, $flds)
 103         {
 104                 $tabname = $this->TableName ($tabname);
 105                 $sql = array();
 106                 list($lines,$pkey) = $this->_GenFields($flds);
 107                 return array( 'ALTER TABLE ' . $tabname . ' MODIFY (' . implode(', ',$lines) . ')' );
 108         }
 109
 110         function DropColumnSQL($tabname, $flds)
 111         {
 112                 $tabname = $this->TableName ($tabname);
 113                 if (!is_array($flds)) $flds = explode(',',$flds);
 114                 foreach($flds as $k => $v) {
 115                         $flds[$k] = $this->NameQuote($v);
 116                 }
 117                 return array( 'ALTER TABLE ' . $tabname . ' DROP (' . implode(', ',$flds) . ')' );
 118         }
 119 }
 120
 121 ?>