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getMetadataValue moved to Metadata.php + minor changes

This commit is contained in:
tomas 2005-02-07 23:11:44 +00:00
parent 892d7d132f
commit 072ece7313
1 changed files with 16 additions and 53 deletions
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69
livesupport/modules/storageServer/var/DataEngine.php
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@ -23,11 +23,11 @@
Author : $Author: tomas $
Version : $Revision: 1.3 $
Version : $Revision: 1.4 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storageServer/var/DataEngine.php,v $
------------------------------------------------------------------------------*/
define(USE_INTERSECT, TRUE);
define('USE_INTERSECT', TRUE);
require_once "XML/Util.php";
@ -82,43 +82,6 @@ class DataEngine{
array('audioclip'=>'audioclip', 'playlist'=>'playlist');
}
/**
* Get metadata element value
*
* @param id int, virt.file's local id
* @param category string, metadata element name
* @return array of matching records
*/
function getMetadataValue($id, $category)
{
$gunid = $this->gb->_gunidFromId($id);
if(PEAR::isError($gunid)) return $gunid;
if(is_null($gunid)){
return PEAR::raiseError(
"BasicStor::bsGetMdataValue: file not found ($id)",
GBERR_NOTF
);
}
$catOrig = strtolower($category);
// handle predicate namespace shortcut
if(preg_match("|^([^:]+):([^:]+)$|", $catOrig, $catOrigArr)){
$catNs = $catOrigArr[1]; $cat = $catOrigArr[2];
}else{ $catNs=NULL; $cat=$catOrig; }
$cond = "
gunid=x'$gunid'::bigint AND objns='_L' AND
predicate='$cat'
";
if(!is_null($catNs)) $cond .= " AND predns='$catNs'";
$sql = "
SELECT object
FROM {$this->mdataTable}
WHERE $cond
";
$res = $this->dbc->getCol($sql);
if(PEAR::isError($res)) return $res;
return $res;
}
/**
* Method returning array with where-parts of sql queries
*
@ -163,13 +126,13 @@ class DataEngine{
*
* @param fldsPart string - fields part of sql query
* @param whereArr array - array of where-parts
* @param ftypeCond string - condition for ftype
* @param fileCond string - condition for files table
* @param browse boolean - true if browse vals required instead of gunids
* @param brFldNs string - namespace prefix of category for browse
* @param brFld string - category for browse
* @return query string
*/
function _makeAndSqlWoIntersect($fldsPart, $whereArr, $ftypeCond, $browse,
function _makeAndSqlWoIntersect($fldsPart, $whereArr, $fileCond, $browse,
$brFldNs=NULL, $brFld=NULL)
{
$innerBlocks = array();
@ -187,7 +150,7 @@ class DataEngine{
if(!is_null($brFldNs)) $sql .= " AND br.predns='{$brFldNs}'";
$sql .= "\n";
}
if(!is_null($ftypeCond)) $whereArr[] = " $ftypeCond";
if(!is_null($fileCond)) $whereArr[] = " $fileCond";
if(count($whereArr)>0) $sql .= "WHERE\n".join(" AND\n", $whereArr);
if($browse) $sql .= "\nORDER BY br.object";
return $sql;
@ -199,17 +162,17 @@ class DataEngine{
*
* @param fldsPart string - fields part of sql query
* @param whereArr array - array of where-parts
* @param ftypeCond string - condition for ftype
* @param fileCond string - condition for files table
* @param browse boolean - true if browse vals required instead of gunids
* @param brFldNs string - namespace prefix of category for browse
* @param brFld string - category for browse
* @return query string
*/
function _makeAndSql($fldsPart, $whereArr, $ftypeCond, $browse,
function _makeAndSql($fldsPart, $whereArr, $fileCond, $browse,
$brFldNs=NULL, $brFld=NULL)
{
if(!USE_INTERSECT) return $this->_makeAndSqlWoIntersect(
$fldsPart, $whereArr, $ftypeCond, $browse, $brFldNs, $brFld);
$fldsPart, $whereArr, $fileCond, $browse, $brFldNs, $brFld);
$isectBlocks = array();
foreach($whereArr as $i=>$v){
$whereArr[$i] = sprintf($v, "md$i", "md$i", "md$i", "md$i");
@ -233,7 +196,7 @@ class DataEngine{
if(!is_null($brFldNs)) $sql .= " AND br.predns='{$brFldNs}'";
$glue = " AND";
}else{ $glue = "WHERE";}
if(!is_null($ftypeCond)) $sql .= "\n$glue $ftypeCond";
if(!is_null($fileCond)) $sql .= "\n$glue $fileCond";
if($browse) $sql .= "\nORDER BY br.object";
return $sql;
}
@ -243,13 +206,13 @@ class DataEngine{
*
* @param fldsPart string - fields part of sql query
* @param whereArr array - array of where-parts
* @param ftypeCond string - condition for ftype
* @param fileCond string - condition for files table
* @param browse boolean - true if browse vals required instead of gunids
* @param brFldNs string - namespace prefix of category for browse
* @param brFld string - category for browse
* @return query string
*/
function _makeOrSql($fldsPart, $whereArr, $ftypeCond, $browse,
function _makeOrSql($fldsPart, $whereArr, $fileCond, $browse,
$brFldNs=NULL, $brFld=NULL)
{
$whereArr[] = " FALSE\n";
@ -269,7 +232,7 @@ class DataEngine{
$sql .= "WHERE\n(\n".join(" OR\n", $whereArr).")";
$glue = " AND";
}else{ $glue = "WHERE"; }
if(!is_null($ftypeCond)) $sql .= "$glue $ftypeCond";
if(!is_null($fileCond)) $sql .= "$glue $fileCond";
if($browse) $sql .= "\nORDER BY br.object";
return $sql;
}
@ -320,14 +283,14 @@ class DataEngine{
}
$limitPart = ($limit != 0 ? " LIMIT $limit" : '' ).
($offset != 0 ? " OFFSET $offset" : '' );
$ftypeCond = "f.ftype='$filetype'";
if(is_null($filetype)) $ftypeCond = NULL;
$fileCond = "f.state='ready'";
if(!is_null($filetype)) $fileCond .= " AND f.ftype='$filetype'";
if($operator == 'and'){ // operator: and
$sql = $this->_makeAndSql(
$fldsPart, $whereArr, $ftypeCond, $browse, $brFldNs, $brFld);
$fldsPart, $whereArr, $fileCond, $browse, $brFldNs, $brFld);
}else{ // operator: or
$sql = $this->_makeOrSql(
$fldsPart, $whereArr, $ftypeCond, $browse, $brFldNs, $brFld);
$fldsPart, $whereArr, $fileCond, $browse, $brFldNs, $brFld);
}
// echo "\n---\n$sql\n---\n";
$cnt = $this->_getNumRows($sql);