| 1 |
<? |
| 2 |
|
| 3 |
// ========================================================= |
| 4 |
class QueryStatement extends AbstractQueryStatement { |
| 5 |
|
| 6 |
} |
| 7 |
|
| 8 |
// =========================================================== |
| 9 |
class AbstractQuery extends QueryStatement { |
| 10 |
|
| 11 |
var $bool_loaded; |
| 12 |
var $filters; |
| 13 |
var $metainfo; |
| 14 |
|
| 15 |
var $resultset; |
| 16 |
var $row; |
| 17 |
var $lastInsertId; |
| 18 |
|
| 19 |
function AbstractQuery() { |
| 20 |
parent::AbstractQueryStatement(); |
| 21 |
$this->bool_loaded = 0; |
| 22 |
$this->filters = array(); |
| 23 |
} |
| 24 |
|
| 25 |
function &getResult() { |
| 26 |
if ($this->bool_hasToBeMapped) { |
| 27 |
$this->_doReverseMapping(); |
| 28 |
return $this->row; |
| 29 |
} else { |
| 30 |
return $this->row; |
| 31 |
} |
| 32 |
} |
| 33 |
|
| 34 |
function getMetaInfo() { |
| 35 |
if (isset($this->metainfo)) { return $this->metainfo; } |
| 36 |
} |
| 37 |
|
| 38 |
function _doReverseMapping() { |
| 39 |
|
| 40 |
// - - - - - - - - - - - - - - - - - - - - - |
| 41 |
// modify result |
| 42 |
$wrkHash_in = $this->row; |
| 43 |
$wrkHash_out = array(); |
| 44 |
|
| 45 |
reset($this->map_reverse); |
| 46 |
while( list($name_map, $name_attribute) = each($this->map_reverse) ) { |
| 47 |
// HACK: strip tablename from "$name_map" |
| 48 |
$name_map = substr($name_map, strrpos($name_map, '.') + 1); |
| 49 |
if (isset($wrkHash_in[$name_map])) { |
| 50 |
$wrkHash_out[$name_attribute] = $wrkHash_in[$name_map]; |
| 51 |
} else { |
| 52 |
// debugging (disable in productive mode / do not exit here!) |
| 53 |
//print "Could not find column \"{$this->metainfo['table']['name']}.$name_map\" "; |
| 54 |
//print "when attempting to reverse map to \"$name_attribute\".<br>"; |
| 55 |
//exit; |
| 56 |
} |
| 57 |
} |
| 58 |
|
| 59 |
$this->row = $wrkHash_out; |
| 60 |
|
| 61 |
} |
| 62 |
|
| 63 |
} |
| 64 |
|
| 65 |
|
| 66 |
// ========================================================= |
| 67 |
class DataQuery extends AbstractQuery { |
| 68 |
|
| 69 |
function query() { |
| 70 |
|
| 71 |
global $database; |
| 72 |
|
| 73 |
// get sql |
| 74 |
$sql = $this->getSql(); |
| 75 |
$sql = trim($sql); |
| 76 |
|
| 77 |
// debug |
| 78 |
//print "<font size=\"1\" color=\"darkred\"><u>sql:</u> </font><font size=\"1\" color=\"darkblue\">" . $sql . "<br></font>"; |
| 79 |
|
| 80 |
// check if query is empty |
| 81 |
if (!$sql) { return; } |
| 82 |
|
| 83 |
// query database |
| 84 |
$this->resultset = $database->query( $sql ); |
| 85 |
|
| 86 |
// do additional actions by CRUD |
| 87 |
unset($this->lastInsertId); |
| 88 |
switch ($this->crud) { |
| 89 |
case "C": |
| 90 |
$this->lastInsertId = $database->getLastInsertId(); |
| 91 |
break; |
| 92 |
case "R": |
| 93 |
$this->retrieveMetaInfo(); |
| 94 |
break; |
| 95 |
case "U": |
| 96 |
break; |
| 97 |
case "D": |
| 98 |
break; |
| 99 |
} |
| 100 |
|
| 101 |
} |
| 102 |
|
| 103 |
function retrieveMetaInfo() { |
| 104 |
global $database; |
| 105 |
if (isset($this->resultset)) { |
| 106 |
$this->metainfo = $database->retrieveMetaInfo($this->resultset); |
| 107 |
} |
| 108 |
} |
| 109 |
|
| 110 |
function next() { |
| 111 |
global $database; |
| 112 |
if ( isset($this->resultset) && ($this->row = $database->fetchRow($this->resultset)) ) { |
| 113 |
return 1; |
| 114 |
} |
| 115 |
} |
| 116 |
|
| 117 |
function getRowCount() { |
| 118 |
global $database; |
| 119 |
if (isset($this->resultset)) { |
| 120 |
return $database->getRowCount($this->resultset); |
| 121 |
} |
| 122 |
} |
| 123 |
|
| 124 |
} |
| 125 |
|
| 126 |
?> |
Parent Directory
| 
Revision Log
