Skip to content

Support window functions with PARTITION BY clause #299

Description

@Dandandan

Is your feature request related to a problem or challenge? Please describe what you are trying to do.
Window functions have a PARTITION BY clause to split the data in partitions and calculate window functions over those partitions individually.

Describe the solution you'd like
We can use Repartition::Hash to parallelize the execution.

Describe alternatives you've considered
n/a

Additional context
http://www.vldb.org/pvldb/vol8/p1058-leis.pdf&ved=2ahUKEwj80-3OjrfwAhUJPOwKHfdRAssQFjAMegQIEhAC&usg=AOvVaw2KKUPeYhyc-pEFTmlqyboj

Activity

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    enhancementNew feature or request

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions