ColumnListArray#

class rbc.heavydb.ColumnListArray#

RBC ColumnList<Array<T>> type that corresponds to HeavyDB COLUMN LIST of arrays.

In HeavyDB, a ColumnList<Array<T>> of type T is represented as follows:

{
    int8_t* flatbuffer_;
    int64_t size_;
}

Attributes

ColumnListArray.ncols

Return the number of columns in a ColumnList

ColumnListArray.nrows

Return the number of rows each column has in a ColumnList

Methods