Module rank 

Implementation of rank, dense_rank, and percent_rank window functions, which can be evaluated at runtime during query execution.

Structs

Rank

Rank calculates the rank in the window function with order by

RankEvaluator 🔒

State for the rank built-in window function.

RankState

State for the RANK(rank) built-in window function.

Enums

RankType

Statics

DENSE_RANK_DOCUMENTATION 🔒

PERCENT_RANK_DOCUMENTATION 🔒

RANK_DOCUMENTATION 🔒

Functions

dense_rank

Create a WindowFunction expression for DenseRank user-defined window function.

dense_rank_udwf

Returns a WindowUDF for dense_rank.

get_dense_rank_doc 🔒

get_percent_rank_doc 🔒

get_rank_doc 🔒

percent_rank

Create a WindowFunction expression for PercentRank user-defined window function.

percent_rank_udwf

Returns a WindowUDF for percent_rank.

rank

Create a WindowFunction expression for Rank user-defined window function.

rank_udwf

Returns a WindowUDF for rank.