3c8710b251738b1dd68518deb799b970adca5925
[Packages/TYPO3.CMS.git] / typo3 / sysext / adodb / adodb / drivers / adodb-pdo_mysql.inc.php
1 <?php
2
3
4 /*
5 V4.81 3 May 2006 (c) 2000-2006 John Lim (jlim#natsoft.com.my). All rights reserved.
6 Released under both BSD license and Lesser GPL library license.
7 Whenever there is any discrepancy between the two licenses,
8 the BSD license will take precedence.
9 Set tabs to 8.
10
11 */
12
13 class ADODB_pdo_mysql extends ADODB_pdo {
14 var $metaTablesSQL = "SHOW TABLES";
15 var $metaColumnsSQL = "SHOW COLUMNS FROM %s";
16 var $_bindInputArray = false;
17 var $sysDate = 'CURDATE()';
18 var $sysTimeStamp = 'NOW()';
19
20 function _init($parentDriver)
21 {
22
23 $parentDriver->hasTransactions = false;
24 $parentDriver->_bindInputArray = true;
25 $parentDriver->hasInsertID = true;
26 $parentDriver->_connectionID->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY,true);
27 }
28
29 function ServerInfo()
30 {
31 $arr['description'] = ADOConnection::GetOne("select version()");
32 $arr['version'] = ADOConnection::_findvers($arr['description']);
33 return $arr;
34 }
35
36 function &MetaTables($ttype=false,$showSchema=false,$mask=false)
37 {
38 $save = $this->metaTablesSQL;
39 if ($showSchema && is_string($showSchema)) {
40 $this->metaTablesSQL .= " from $showSchema";
41 }
42
43 if ($mask) {
44 $mask = $this->qstr($mask);
45 $this->metaTablesSQL .= " like $mask";
46 }
47 $ret =& ADOConnection::MetaTables($ttype,$showSchema);
48
49 $this->metaTablesSQL = $save;
50 return $ret;
51 }
52
53 function &MetaColumns($table)
54 {
55 $this->_findschema($table,$schema);
56 if ($schema) {
57 $dbName = $this->database;
58 $this->SelectDB($schema);
59 }
60 global $ADODB_FETCH_MODE;
61 $save = $ADODB_FETCH_MODE;
62 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
63
64 if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
65 $rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
66
67 if ($schema) {
68 $this->SelectDB($dbName);
69 }
70
71 if (isset($savem)) $this->SetFetchMode($savem);
72 $ADODB_FETCH_MODE = $save;
73 if (!is_object($rs)) {
74 $false = false;
75 return $false;
76 }
77
78 $retarr = array();
79 while (!$rs->EOF){
80 $fld = new ADOFieldObject();
81 $fld->name = $rs->fields[0];
82 $type = $rs->fields[1];
83
84 // split type into type(length):
85 $fld->scale = null;
86 if (preg_match("/^(.+)\((\d+),(\d+)/", $type, $query_array)) {
87 $fld->type = $query_array[1];
88 $fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
89 $fld->scale = is_numeric($query_array[3]) ? $query_array[3] : -1;
90 } elseif (preg_match("/^(.+)\((\d+)/", $type, $query_array)) {
91 $fld->type = $query_array[1];
92 $fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1;
93 } elseif (preg_match("/^(enum)\((.*)\)$/i", $type, $query_array)) {
94 $fld->type = $query_array[1];
95 $arr = explode(",",$query_array[2]);
96 $fld->enums = $arr;
97 $zlen = max(array_map("strlen",$arr)) - 2; // PHP >= 4.0.6
98 $fld->max_length = ($zlen > 0) ? $zlen : 1;
99 } else {
100 $fld->type = $type;
101 $fld->max_length = -1;
102 }
103 $fld->not_null = ($rs->fields[2] != 'YES');
104 $fld->primary_key = ($rs->fields[3] == 'PRI');
105 $fld->auto_increment = (strpos($rs->fields[5], 'auto_increment') !== false);
106 $fld->binary = (strpos($type,'blob') !== false);
107 $fld->unsigned = (strpos($type,'unsigned') !== false);
108
109 if (!$fld->binary) {
110 $d = $rs->fields[4];
111 if ($d != '' && $d != 'NULL') {
112 $fld->has_default = true;
113 $fld->default_value = $d;
114 } else {
115 $fld->has_default = false;
116 }
117 }
118
119 if ($save == ADODB_FETCH_NUM) {
120 $retarr[] = $fld;
121 } else {
122 $retarr[strtoupper($fld->name)] = $fld;
123 }
124 $rs->MoveNext();
125 }
126
127 $rs->Close();
128 return $retarr;
129 }
130
131
132 // parameters use PostgreSQL convention, not MySQL
133 function &SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs=0)
134 {
135 $offsetStr =($offset>=0) ? "$offset," : '';
136 // jason judge, see http://phplens.com/lens/lensforum/msgs.php?id=9220
137 if ($nrows < 0) $nrows = '18446744073709551615';
138
139 if ($secs)
140 $rs =& $this->CacheExecute($secs,$sql." LIMIT $offsetStr$nrows",$inputarr);
141 else
142 $rs =& $this->Execute($sql." LIMIT $offsetStr$nrows",$inputarr);
143 return $rs;
144 }
145 }
146 ?>