Module utils

Wrapper and helper functions to help implement crate::executor::Executor for TopN variants

Structs

• TopNExecutorWrapper
  The struct wraps a TopNExecutorBase

Constants

• NO_GROUP_KEY

Traits

• TopNExecutorBase

Functions

• create_cache_key_serde
• serialize_pk_to_cache_key
  For a given pk (Row), it can be split into order_key and additional_pk according to order_by_len, and the two split parts are serialized separately.

Type Aliases

• CacheKeySerde
  See CacheKey.

Trait Aliases

• GroupKey