4 V4.50 6 July 2004 (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.
9 Set tabs to 4 for best viewing.
11 Modified from datadict-generic.inc.php for sapdb by RalfBecker-AT-outdoor-training.de
14 // security - hide paths
15 if (!defined('ADODB_DIR')) die();
17 class ADODB2_sapdb
extends ADODB_DataDict
{
19 var $databaseType = 'sapdb';
20 var $seqField = false;
21 var $renameColumn = 'RENAME COLUMN %s.%s TO %s';
23 function ActualType($meta)
26 case 'C': return 'VARCHAR';
28 case 'X': return 'LONG';
30 case 'C2': return 'VARCHAR UNICODE';
31 case 'X2': return 'LONG UNICODE';
33 case 'B': return 'LONG';
35 case 'D': return 'DATE';
37 case 'T': return 'TIMESTAMP';
39 case 'L': return 'BOOLEAN';
40 case 'I': return 'INTEGER';
41 case 'I1': return 'FIXED(3)';
42 case 'I2': return 'SMALLINT';
43 case 'I4': return 'INTEGER';
44 case 'I8': return 'FIXED(20)';
46 case 'F': return 'FLOAT(38)';
47 case 'N': return 'FIXED';
53 function MetaType($t,$len=-1,$fieldobj=false)
58 $len = $fieldobj->max_length
;
60 static $maxdb_type2adodb = array(
63 'LONG' => 'X', // no way to differ between 'X' and 'B' :-(
72 $type = isset($maxdb_type2adodb[$t]) ?
$maxdb_type2adodb[$t] : 'C';
74 // convert integer-types simulated with fixed back to integer
75 if ($t == 'FIXED' && !$fieldobj->scale
&& ($len == 20 ||
$len == 3)) {
76 $type = $len == 20 ?
'I8' : 'I1';
78 if ($fieldobj->auto_increment
) $type = 'R';
83 // return string must begin with space
84 function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
87 if ($funsigned) $suffix .= ' UNSIGNED';
88 if ($fnotnull) $suffix .= ' NOT NULL';
89 if ($fautoinc) $suffix .= ' DEFAULT SERIAL';
90 elseif (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
91 if ($fconstraint) $suffix .= ' '.$fconstraint;
95 function AddColumnSQL($tabname, $flds)
97 $tabname = $this->TableName ($tabname);
99 list($lines,$pkey) = $this->_GenFields($flds);
100 return array( 'ALTER TABLE ' . $tabname . ' ADD (' . implode(', ',$lines) . ')' );
103 function AlterColumnSQL($tabname, $flds)
105 $tabname = $this->TableName ($tabname);
107 list($lines,$pkey) = $this->_GenFields($flds);
108 return array( 'ALTER TABLE ' . $tabname . ' MODIFY (' . implode(', ',$lines) . ')' );
111 function DropColumnSQL($tabname, $flds)
113 $tabname = $this->TableName ($tabname);
114 if (!is_array($flds)) $flds = explode(',',$flds);
115 foreach($flds as $k => $v) {
116 $flds[$k] = $this->NameQuote($v);
118 return array( 'ALTER TABLE ' . $tabname . ' DROP (' . implode(', ',$flds) . ')' );