| 1 | <?php |
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| 2 | |
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| 3 | /** |
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| 4 | V4.50 6 July 2004 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
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| 5 | Released under both BSD license and Lesser GPL library license. |
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| 6 | Whenever there is any discrepancy between the two licenses, |
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| 7 | the BSD license will take precedence. |
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| 8 | |
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| 9 | Set tabs to 4 for best viewing. |
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| 10 | |
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| 11 | Modified from datadict-generic.inc.php for sapdb by RalfBecker-AT-outdoor-training.de |
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| 12 | */ |
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| 13 | |
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| 14 | // security - hide paths |
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| 15 | if (!defined('ADODB_DIR')) die(); |
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| 16 | |
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| 17 | class ADODB2_sapdb extends ADODB_DataDict { |
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| 18 | |
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| 19 | var $databaseType = 'sapdb'; |
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| 20 | var $seqField = false; |
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| 21 | var $renameColumn = 'RENAME COLUMN %s.%s TO %s'; |
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| 22 | |
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| 23 | function ActualType($meta) |
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| 24 | { |
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| 25 | switch($meta) { |
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| 26 | case 'C': return 'VARCHAR'; |
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| 27 | case 'XL': |
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| 28 | case 'X': return 'LONG'; |
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| 29 | |
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| 30 | case 'C2': return 'VARCHAR UNICODE'; |
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| 31 | case 'X2': return 'LONG UNICODE'; |
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| 32 | |
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| 33 | case 'B': return 'LONG'; |
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| 34 | |
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| 35 | case 'D': return 'DATE'; |
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| 36 | case 'T': return 'TIMESTAMP'; |
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| 37 | |
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| 38 | case 'L': return 'BOOLEAN'; |
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| 39 | case 'I': return 'INTEGER'; |
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| 40 | case 'I1': return 'FIXED(3)'; |
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| 41 | case 'I2': return 'SMALLINT'; |
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| 42 | case 'I4': return 'INTEGER'; |
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| 43 | case 'I8': return 'FIXED(20)'; |
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| 44 | |
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| 45 | case 'F': return 'FLOAT(38)'; |
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| 46 | case 'N': return 'FIXED'; |
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| 47 | default: |
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| 48 | return $meta; |
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| 49 | } |
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| 50 | } |
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| 51 | |
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| 52 | function MetaType($t,$len=-1,$fieldobj=false) |
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| 53 | { |
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| 54 | if (is_object($t)) { |
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| 55 | $fieldobj = $t; |
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| 56 | $t = $fieldobj->type; |
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| 57 | $len = $fieldobj->max_length; |
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| 58 | } |
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| 59 | static $maxdb_type2adodb = array( |
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| 60 | 'VARCHAR' => 'C', |
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| 61 | 'CHARACTER' => 'C', |
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| 62 | 'LONG' => 'X', // no way to differ between 'X' and 'B' :-( |
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| 63 | 'DATE' => 'D', |
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| 64 | 'TIMESTAMP' => 'T', |
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| 65 | 'BOOLEAN' => 'L', |
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| 66 | 'INTEGER' => 'I4', |
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| 67 | 'SMALLINT' => 'I2', |
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| 68 | 'FLOAT' => 'F', |
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| 69 | 'FIXED' => 'N', |
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| 70 | ); |
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| 71 | $type = isset($maxdb_type2adodb[$t]) ? $maxdb_type2adodb[$t] : 'C'; |
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| 72 | |
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| 73 | // convert integer-types simulated with fixed back to integer |
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| 74 | if ($t == 'FIXED' && !$fieldobj->scale && ($len == 20 || $len == 3)) { |
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| 75 | $type = $len == 20 ? 'I8' : 'I1'; |
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| 76 | } |
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| 77 | if ($fieldobj->auto_increment) $type = 'R'; |
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| 78 | |
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| 79 | return $type; |
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| 80 | } |
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| 81 | |
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| 82 | // return string must begin with space |
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| 83 | function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned) |
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| 84 | { |
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| 85 | $suffix = ''; |
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| 86 | if ($funsigned) $suffix .= ' UNSIGNED'; |
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| 87 | if ($fnotnull) $suffix .= ' NOT NULL'; |
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| 88 | if ($fautoinc) $suffix .= ' DEFAULT SERIAL'; |
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| 89 | elseif (strlen($fdefault)) $suffix .= " DEFAULT $fdefault"; |
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| 90 | if ($fconstraint) $suffix .= ' '.$fconstraint; |
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| 91 | return $suffix; |
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| 92 | } |
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| 93 | |
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| 94 | function AddColumnSQL($tabname, $flds) |
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| 95 | { |
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| 96 | $tabname = $this->TableName ($tabname); |
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| 97 | $sql = array(); |
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| 98 | list($lines,$pkey) = $this->_GenFields($flds); |
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| 99 | return array( 'ALTER TABLE ' . $tabname . ' ADD (' . implode(', ',$lines) . ')' ); |
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| 100 | } |
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| 101 | |
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| 102 | function AlterColumnSQL($tabname, $flds) |
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| 103 | { |
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| 104 | $tabname = $this->TableName ($tabname); |
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| 105 | $sql = array(); |
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| 106 | list($lines,$pkey) = $this->_GenFields($flds); |
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| 107 | return array( 'ALTER TABLE ' . $tabname . ' MODIFY (' . implode(', ',$lines) . ')' ); |
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| 108 | } |
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| 109 | |
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| 110 | function DropColumnSQL($tabname, $flds) |
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| 111 | { |
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| 112 | $tabname = $this->TableName ($tabname); |
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| 113 | if (!is_array($flds)) $flds = explode(',',$flds); |
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| 114 | foreach($flds as $k => $v) { |
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| 115 | $flds[$k] = $this->NameQuote($v); |
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| 116 | } |
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| 117 | return array( 'ALTER TABLE ' . $tabname . ' DROP (' . implode(', ',$flds) . ')' ); |
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| 118 | } |
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| 119 | } |
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| 120 | |
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| 121 | ?> |
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