[34] | 1 | <?php |
---|
| 2 | |
---|
| 3 | /** |
---|
| 4 | V4.50 6 July 2004 (c) 2000-2007 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 | ?> |
---|