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cvsjoko |
1.1 |
<? |
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// ========================================================= |
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class QueryStatement extends AbstractQueryStatement { |
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} |
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// =========================================================== |
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class AbstractQuery extends QueryStatement { |
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var $bool_loaded; |
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var $filters; |
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var $metainfo; |
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var $resultset; |
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var $row; |
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var $lastInsertId; |
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function AbstractQuery() { |
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parent::AbstractQueryStatement(); |
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$this->bool_loaded = 0; |
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$this->filters = array(); |
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} |
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function &getResult() { |
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if ($this->bool_hasToBeMapped) { |
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$this->_doReverseMapping(); |
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return $this->row; |
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} else { |
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return $this->row; |
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} |
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} |
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function getMetaInfo() { |
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if (isset($this->metainfo)) { return $this->metainfo; } |
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} |
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function _doReverseMapping() { |
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// - - - - - - - - - - - - - - - - - - - - - |
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// modify result |
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$wrkHash_in = $this->row; |
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$wrkHash_out = array(); |
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reset($this->map_reverse); |
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while( list($name_map, $name_attribute) = each($this->map_reverse) ) { |
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// HACK: strip tablename from "$name_map" |
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$name_map = substr($name_map, strrpos($name_map, '.') + 1); |
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if (isset($wrkHash_in[$name_map])) { |
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$wrkHash_out[$name_attribute] = $wrkHash_in[$name_map]; |
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} else { |
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// debugging (disable in productive mode / do not exit here!) |
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//print "Could not find column \"{$this->metainfo['table']['name']}.$name_map\" "; |
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//print "when attempting to reverse map to \"$name_attribute\".<br>"; |
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//exit; |
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} |
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} |
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$this->row = $wrkHash_out; |
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} |
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} |
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// ========================================================= |
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class DataQuery extends AbstractQuery { |
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function query() { |
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global $database; |
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// get sql |
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$sql = $this->getSql(); |
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$sql = trim($sql); |
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// debug |
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//print "<font size=\"1\" color=\"darkred\"><u>sql:</u> </font><font size=\"1\" color=\"darkblue\">" . $sql . "<br></font>"; |
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// check if query is empty |
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if (!$sql) { return; } |
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// query database |
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$this->resultset = $database->query( $sql ); |
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// do additional actions by CRUD |
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unset($this->lastInsertId); |
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switch ($this->crud) { |
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case "C": |
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$this->lastInsertId = $database->getLastInsertId(); |
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break; |
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case "R": |
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$this->retrieveMetaInfo(); |
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break; |
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case "U": |
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break; |
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case "D": |
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break; |
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} |
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} |
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function retrieveMetaInfo() { |
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global $database; |
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if (isset($this->resultset)) { |
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$this->metainfo = $database->retrieveMetaInfo($this->resultset); |
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} |
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} |
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function next() { |
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global $database; |
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if ( isset($this->resultset) && ($this->row = $database->fetchRow($this->resultset)) ) { |
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return 1; |
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} |
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} |
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function getRowCount() { |
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global $database; |
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if (isset($this->resultset)) { |
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return $database->getRowCount($this->resultset); |
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} |
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} |
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} |
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?> |
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