pick_fields¶

Description¶

Pick one or more fields from an object.

object

This is a scalar function (calculates a single output value for a single input row.)

pick_fields( column, key ... )

Argument	Type	Required	Multiple
column	object	Required	Only one
key	string	Required	Can be multiple

make_col smaller:pick_fields(obj, 'key1', 'key2')

Create a column ‘smaller’ based on column ‘obj’ only containing ‘key1’ and ‘key2’ if existing.