# Package org.apache.sysds.runtime.frame.data.columns

package org.apache.sysds.runtime.frame.data.columns

Related Packages
Package
Description
org.apache.sysds.runtime.frame.data
org.apache.sysds.runtime.frame.data.compress
org.apache.sysds.runtime.frame.data.iterators
org.apache.sysds.runtime.frame.data.lib
Class
Description
ABooleanArray
ACompressedArray<T>
A Compressed Array, in general does not allow us to set or modify the array.
Array<T>
Generic, resizable native arrays for the internal representation of the columns in the FrameBlock.
ArrayFactory
ArrayFactory.FrameArrayType
ArrayWrapper
BitSetArray
BooleanArray
CharArray
ColumnMetadata
DDCArray<T>
A dense dictionary version of an column array
DoubleArray
FloatArray
HashIntegerArray
HashLongArray
HashMapToInt<K>
IHashArray
IntegerArray
LongArray
OptionalArray<T>
RaggedArray<T>
A Ragged array for a single column contains a smaller array, only containing the values of the top most part of the This makes the allocation much better in cases where only the top n rows of a m row frame are used for the specific column.
StringArray