library/adodb/datadict/datadict-access.inc.php

   1 <?php
   2
   3 /**
   4   V5.14 8 Sept 2011  (c) 2000-2011 John Lim (jlim#natsoft.com). 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 */
  12
  13 // security - hide paths
  14 if (!defined('ADODB_DIR')) die();
  15
  16 class ADODB2_access extends ADODB_DataDict {
  17
  18         var $databaseType = 'access';
  19         var $seqField = false;
  20
  21
  22         function ActualType($meta)
  23         {
  24                 switch($meta) {
  25                 case 'C': return 'TEXT';
  26                 case 'XL':
  27                 case 'X': return 'MEMO';
  28
  29                 case 'C2': return 'TEXT'; // up to 32K
  30                 case 'X2': return 'MEMO';
  31
  32                 case 'B': return 'BINARY';
  33
  34                 case 'TS':
  35                 case 'D': return 'DATETIME';
  36                 case 'T': return 'DATETIME';
  37
  38                 case 'L': return 'BYTE';
  39                 case 'I': return 'INTEGER';
  40                 case 'I1': return 'BYTE';
  41                 case 'I2': return 'SMALLINT';
  42                 case 'I4': return 'INTEGER';
  43                 case 'I8': return 'INTEGER';
  44
  45                 case 'F': return 'DOUBLE';
  46                 case 'N': return 'NUMERIC';
  47                 default:
  48                         return $meta;
  49                 }
  50         }
  51
  52         // return string must begin with space
  53         function _CreateSuffix($fname, &$ftype, $fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
  54         {
  55                 if ($fautoinc) {
  56                         $ftype = 'COUNTER';
  57                         return '';
  58                 }
  59                 if (substr($ftype,0,7) == 'DECIMAL') $ftype = 'DECIMAL';
  60                 $suffix = '';
  61                 if (strlen($fdefault)) {
  62                         //$suffix .= " DEFAULT $fdefault";
  63                         if ($this->debug) ADOConnection::outp("Warning: Access does not supported DEFAULT values (field $fname)");
  64                 }
  65                 if ($fnotnull) $suffix .= ' NOT NULL';
  66                 if ($fconstraint) $suffix .= ' '.$fconstraint;
  67                 return $suffix;
  68         }
  69
  70         function CreateDatabase($dbname,$options=false)
  71         {
  72                 return array();
  73         }
  74
  75
  76         function SetSchema($schema)
  77         {
  78         }
  79
  80         function AlterColumnSQL($tabname, $flds)
  81         {
  82                 if ($this->debug) ADOConnection::outp("AlterColumnSQL not supported");
  83                 return array();
  84         }
  85
  86
  87         function DropColumnSQL($tabname, $flds)
  88         {
  89                 if ($this->debug) ADOConnection::outp("DropColumnSQL not supported");
  90                 return array();
  91         }
  92
  93 }
  94
  95
  96 ?>