Uses of Class
org.apache.sysds.runtime.compress.colgroup.APreAgg

Packages that use APreAgg

Package	Description
org.apache.sysds.runtime.compress.colgroup

Uses of APreAgg in org.apache.sysds.runtime.compress.colgroup

Subclasses of APreAgg in org.apache.sysds.runtime.compress.colgroup

Modifier and Type	Class	Description
class	AColGroupOffset	Base class for column groups encoded with various types of bitmap encoding.
class	ASDCZero
class	ColGroupDDC	Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC).
class	ColGroupDDCLZW	Class to encapsulate information about a column group that is encoded with dense dictionary encoding (DDC) whose mapping vector is additionally lzw compressed.
class	ColGroupDeltaDDC	Class to encapsulate information about a column group that is first delta encoded then encoded with dense dictionary encoding (DeltaDDC).
class	ColGroupOLE	Class to encapsulate information about a column group that is encoded with simple lists of offsets for each set of distinct values.
class	ColGroupRLE	A group of columns compressed with a single run-length encoded bitmap.
class	ColGroupSDCSingleZeros	Column group that sparsely encodes the dictionary values.
class	ColGroupSDCZeros	Column group that sparsely encodes the dictionary values.

Methods in org.apache.sysds.runtime.compress.colgroup with parameters of type APreAgg

Modifier and Type	Method	Description
final IDictionary	APreAgg.preAggregateThatIndexStructure(APreAgg that)	Pre aggregate into a dictionary.