#[derive(Debug, Clone, Copy, PartialEq, Eq)]pubenumFilterOp{Eq,
Ne,
Lt,
Lte,
Gt,
Gte,
In,
Contains,
StartsWith,
IsNull,
IsNotNull,/// `(col IS NULL OR col = $1)` — for the "nullable column matches
/// either the bound value or null" pattern that's otherwise
/// awkward to express via `Any([is_null, eq])` (the latter
/// double-binds the value when the same caller wants the null-
/// punning behavior elsewhere). Single-bind, single op.
EqOrNull,}