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Impala::Core::Column

FindInAscending

FindInAscending

FindInAscending

FixedStringColumnBaseType

IsSortedAscending

IsSortedDescending

MakeFilterEqual

MakeFilterEqual

SortAscendingTopN

SortDescendingTopN

template<class C>

bool Impala::Core::Column::IsSortedDescending	(	C *	col,
		int	nrElem
	)			`[inline]`

Check whether column is sorted in descending order.

Definition at line 42 of file IsSorted.h.

References ILOG_ERROR, and ILOG_VAR.

00043 {
00044     ILOG_VAR(Impala.Core.Column.IsSortedDescending);
00045     if (nrElem > col->Capacity())
00046     {
00047         ILOG_ERROR("nrElem larger than capacity");
00048         return false;
00049     }
00050 
00051     for (int i=0 ; i<nrElem-1 ; i++)
00052         if (col->Get(i) < col->Get(i+1))
00053             return false;
00054     return true;
00055 }

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