Struct GroupingConfig 

pub struct GroupingConfig {
    pub columns: Vec<String>,
    pub max_groups: Option<usize>,
    pub include_overall: bool,
    pub overflow_strategy: OverflowStrategy,
}

Configuration for grouped metric analysis.

Fields

columns: Vec<String>

Columns to group by.

max_groups: Option<usize>

Maximum number of groups to track (for memory management).

include_overall: bool

Whether to include overall (ungrouped) metric.

overflow_strategy: OverflowStrategy

Strategy for handling high-cardinality groups.

Implementations

impl GroupingConfig

pub fn new(columns: Vec<String>) -> Self

Creates a new grouping configuration with default settings.

pub fn with_max_groups(self, max: usize) -> Self

Sets the maximum number of groups to track.

pub fn with_overall(self, include: bool) -> Self

Sets whether to include the overall metric.

pub fn with_overflow_strategy(self, strategy: OverflowStrategy) -> Self

Sets the overflow strategy for high-cardinality groups.

pub fn group_by_sql(&self) -> String

Returns SQL column list for GROUP BY clause.

pub fn select_group_columns_sql(&self) -> String

Returns SQL column selection for grouping columns.

Trait Implementations

impl Clone for GroupingConfig

fn clone(&self) -> GroupingConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GroupingConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for GroupingConfig

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for GroupingConfig

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.