Module stats 

Traits and utilities to compute and access array statistics.

Re-exports

pub use expr::min_max;

pub use expr::nan_count;

pub use expr::null_count;

pub use expr::stat;

pub use expr::sum;

pub use session::*;

Modules

expr

Expression constructors for statistics backed by aggregate functions.

flatbuffers

session

Session state for stats APIs.

Structs

ArrayStats

A shared StatsSet stored in an array. Can be shared by copies of the array and can also be mutated in place.

MutTypedStatsSetRef

StatsSet

StatsSetIntoIter

Owned iterator over the stats.

StatsSetRef

Reference to an array’s StatsSet. Can be used to get and mutate the underlying stats.

TypedStatsSetRef

Constants

PRUNING_STATS

Statistics that are used for pruning files (i.e., we want to ensure they are computed when compressing/writing). Sum is included for boolean arrays.

Functions

as_stat_bitset_bytes

stats_from_bitset_bytes

Type Aliases

StatsArray

Type of the SmallVec stored inside StatsSet