pub fn parse_expr(
proto: &LogicalExprNode,
registry: &dyn FunctionRegistry,
codec: &dyn LogicalExtensionCodec,
) -> Result<Expr, FromProtoError>pub fn parse_expr(
proto: &LogicalExprNode,
registry: &dyn FunctionRegistry,
codec: &dyn LogicalExtensionCodec,
) -> Result<Expr, FromProtoError>