setColumnarTuple!

Syntax

setColumnarTuple!(X, [on=true])

Arguments

X is a tuple of vectors or scalars of the same type.

on is a BOOLEAN value indicating the conversion between tuple and columnar tuple. The default value is true, indicating the conversion from tuple to columnar tuple; False indicates the opposite operation.

Details

This function is used for the conversion between tuple and columnar tuple.

Examples

    $ tp = [[1,2,3], [4,5,6], [7,8]]
    $ isColumnarTuple(tp)
    false

    $ tp.setColumnarTuple!()
    $ isColumnarTuple(tp)
    true
 
    $ t = table(1..5 as id, [`a`a,`b`a,`c, `f`e, `g] as val)
    $ isColumnarTuple(t.val)
    true

    $ t1 = t.val.setColumnarTuple!(false)
    $ isColumnarTuple(t1)
    false