Module eval 

SQL expression evaluator over Volcano rows.

Evaluates [sql::ast::Expr] nodes against a (Row, Schema) context, producing SochValue results. Used by Filter, Project, Sort, and Join operators for predicate and expression evaluation.

Functions

compare_values

Compare two SochValues, returning ordering if comparable.

eval_expr

Evaluate an expression against a row, producing a scalar value.

eval_predicate

Evaluate a predicate expression, returning a boolean.

value_is_truthy

Check if a value is truthy (for predicate evaluation).