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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