Struct AstConverter 

pub struct AstConverter {
    pub planner: QueryPlanner,
}

Converts a parsed SelectStatement into a PhysicalPlan by delegating to QueryPlanner::plan_search.

Fields

planner: QueryPlanner

Implementations

impl AstConverter

pub fn new(planner: QueryPlanner) -> Self

pub fn convert( &self, stmt: SelectStatement, vector_count: usize, ) -> Result<PhysicalPlan>

Convert a statement into a physical plan.

• Extracts the first VECTOR_SIM condition as the query vector.
• Collects ALL AND-connected scalar conditions into structured filter JSON.
• Sets output_columns from the SELECT column list.
• Falls back to k = 10 when no LIMIT clause is present.

pub fn extract_query_vector(stmt: &SelectStatement) -> Option<Vector>

Extract the query vector from a SelectStatement’s WHERE clause.