library/adodb/datadict/datadict-db2.inc.php

   1 <?php
   2
   3 /**
   4   V4.20 22 Feb 2004  (c) 2000-2004 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 */
  12
  13 class ADODB2_db2 extends ADODB_DataDict {
  14
  15         var $databaseType = 'db2';
  16         var $seqField = false;
  17
  18         function ActualType($meta)
  19         {
  20                 switch($meta) {
  21                 case 'C': return 'VARCHAR';
  22                 case 'XL':
  23                 case 'X': return 'VARCHAR(3600)';
  24
  25                 case 'C2': return 'VARCHAR'; // up to 32K
  26                 case 'X2': return 'VARCHAR(3600)'; // up to 32000, but default page size too small
  27
  28                 case 'B': return 'BLOB';
  29
  30                 case 'D': return 'DATE';
  31                 case 'T': return 'TIMESTAMP';
  32
  33                 case 'L': return 'SMALLINT';
  34                 case 'I': return 'INTEGER';
  35                 case 'I1': return 'SMALLINT';
  36                 case 'I2': return 'SMALLINT';
  37                 case 'I4': return 'INTEGER';
  38                 case 'I8': return 'BIGINT';
  39
  40                 case 'F': return 'DOUBLE';
  41                 case 'N': return 'DECIMAL';
  42                 default:
  43                         return $meta;
  44                 }
  45         }
  46
  47         // return string must begin with space
  48         function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint)
  49         {
  50                 $suffix = '';
  51                 if ($fautoinc) return ' GENERATED ALWAYS AS IDENTITY'; # as identity start with
  52                 if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
  53                 if ($fnotnull) $suffix .= ' NOT NULL';
  54                 if ($fconstraint) $suffix .= ' '.$fconstraint;
  55                 return $suffix;
  56         }
  57
  58         function AlterColumnSQL($tabname, $flds)
  59         {
  60                 if ($this->debug) ADOConnection::outp("AlterColumnSQL not supported");
  61                 return array();
  62         }
  63
  64
  65         function DropColumnSQL($tabname, $flds)
  66         {
  67                 if ($this->debug) ADOConnection::outp("DropColumnSQL not supported");
  68                 return array();
  69         }
  70
  71 }
  72
  73
  74 ?>