Module expr Copy item path Source Filter Single predicate against a field. BinaryOp Arithmetic operator for ScalarExpr CompareOp Comparison operator for scalar expressions. Expr Logical expression over predicates. Literal A literal value that has not yet been coerced into a specific native
type. This allows for type inference to be deferred until the column
type is known. LiteralCastError Error converting a Literal into a concrete native type. Operator Comparison/matching operators over untyped Literals. ScalarExpr Arithmetic scalar expression that can reference multiple fields. FromLiteral Helper trait implemented for primitive types that can be produced from a Literal. bound_to_native Convert a bound of Literal into a bound of T::Native. literal_to_native Convert a Literal into a concrete native type T. literal_to_string Convert a Literal into an owned String.