Converts a InternalRow to another Row given a sequence of expression that define each
column of the new row. If the schema of the input row is specified, then the given expression
will be bound to that schema.
Initializes internal states given the current partition index.
Initializes internal states given the current partition index.
This is used by nondeterministic expressions to set initial states.
The default implementation does nothing.
Converts a InternalRow to another Row given a sequence of expression that define each column of the new row. If the schema of the input row is specified, then the given expression will be bound to that schema.