Struct WorkloadLearner 

pub struct WorkloadLearner { /* private fields */ }

Workload learner - learns from query patterns to optimize future queries

Implementations

impl WorkloadLearner

pub fn new() -> Self

Create a new workload learner

pub fn set_config(&self, config: WorkloadConfig)

Update configuration

pub fn config(&self) -> WorkloadConfig

Get current configuration

pub fn classify_query( &self, has_pk_lookup: bool, has_range_predicate: bool, has_full_scan: bool, has_aggregation: bool, join_count: usize, is_insert: bool, is_update: bool, ) -> QueryPattern

Classify a query into a pattern based on its characteristics

pub fn record_query( &self, query_fingerprint: u64, pattern: QueryPattern, execution_time: Duration, memory_bytes: u64, rows_scanned: u64, rows_returned: u64, tables: Vec<String>, filter_columns: Vec<String>, sort_columns: Vec<String>, )

Record a query execution for learning

pub fn get_pattern(&self, fingerprint: u64) -> Option<QueryPattern>

Get pattern for a known query fingerprint

pub fn get_pattern_stats(&self, pattern: QueryPattern) -> Option<PatternStats>

Get statistics for a pattern

pub fn recommend_indexes(&self) -> Vec<IndexRecommendation>

Generate index recommendations based on learned workload

pub fn detect_temporal_pattern(&self) -> TemporalPattern

Detect the temporal workload pattern

pub fn hot_tables(&self, limit: usize) -> Vec<(String, u64)>

Get hot tables (most frequently accessed)

pub fn get_optimization_hints(&self) -> WorkloadHints

Get optimization hints based on learned workload

pub fn set_learning_enabled(&self, enabled: bool)

Enable or disable learning

pub fn total_queries(&self) -> u64

Get total queries observed

pub fn clear(&self)

Clear all learned data

Trait Implementations

impl Default for WorkloadLearner

fn default() -> Self

Returns the “default value” for a type.