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결과 세트 정렬

QueryFieldDef 오브젝트의 메소드를 사용하여 결과 세트의 정렬 순서를 지정할 수 있습니다.
정렬 순서를 설정하려면 QueryFieldDef 오브젝트의 메소드를 사용하여 다음을 설정합니다.

예제

다음 예제는 ID 필드에 대한 정렬 순위를 설정하며 정렬 순서는 오름차순입니다.

use CQPerlExt;#Start a Rational ClearQuest session
$SessionObj = CQSession::Build();
$dbsetname = "CQMS.SAMPL.HOME";
#Refresh list of accessible databases
$databases = $SessionObj->GetAccessibleDatabases("MASTR", "", $dbsetname);

#Log into a database
$SessionObj->UserLogon("admin","","SAMPL",$dbsetname);

#Create a Query
$querydef = $SessionObj->BuildQuery("defect"); 
$querydef->BuildField("id"); 
$querydef->BuildField("headline"); 
$querydef->BuildField("owner.login_name"); 
$querydef->BuildField("submit_date"); 
#Create the queryfilternode object:
# where (state not in closed AND (id = 1 OR id = 2))
$where = $querydef->BuildFilterOperator($CQPerlExt::CQ_BOOL_OP_AND);
@states = ("closed");
$where->BuildFilter("state", $CQPerlExt::CQ_COMP_OP_NEQ, \@states);
$subor = $where->BuildFilterOperator($CQPerlExt::CQ_BOOL_OP_OR);
@id1 = ("SAMPL00000001");
$subor->BuildFilter("id", $CQPerlExt::CQ_COMP_OP_EQ, \@id1);
@id2 = ("SAMPL00000002");
$subor->BuildFilter("id", $CQPerlExt::CQ_COMP_OP_EQ, \@id2);


# Get the collection QueryFieldDef objects
$queryfielddefs = $querydef->GetQueryFieldDefs();
# Select the id field and set the sort type and order
$idfield = $queryfielddefs->ItemByName("id");
$idfield->SetSortType($CQPerlExt::CQ_SORT_DESC);
# this is for if you have multiple sort columns, which takes precedence:
$idfield->SetSortOrder(1);
# Select the submit_date field and set the week function on it
$datefield = $queryfielddefs->ItemByName("submit_date");
$datefield->SetFunction($CQPerlExt::CQ_DB_WEEK_FUNC);
$resultset = $SessionObj->BuildResultSet($querydef);


$ct = $resultset->ExecuteAndCountRecords();
for ($i = 0; $i < $ct; $i++) {
$resultset->MoveNext();
print $resultset->GetColumnValue(1);
print " ";
print $resultset->GetColumnValue(2);
print " ";
print $resultset->GetColumnValue(3);
print " ";
print $resultset->GetColumnValue(4);
print "\n";
} 
CQSession::Unbuild($SessionObj); 
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