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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