Struct Cond 

pub struct Cond { /* private fields */ }

A boolean condition group under construction — the building block for nested AND/OR filter trees. You don’t make one directly; a fresh Cond is handed to the closure of Query::where_any / Query::where_all (and the nested Cond::any / Cond::all). Add clauses by chaining, just like Query.

No correlations here. A correlation (row.col(..)) is a property of an EXISTS subquery, never of a free-standing condition, so Cond::where takes a plain literal (impl IntoLit). To correlate, nest a Cond::where_exists whose child query carries the row.col(..) link.

Implementations

impl Cond

pub fn where(self, field: &str, value: impl IntoLit) -> Cond

field = value (a literal — see the type docs on why correlations don’t belong in a group).

pub fn where_op(self, field: &str, op: impl IntoOp, value: impl IntoLit) -> Cond

field <op> value with an explicit operator ("<", ">=", "LIKE", … or an Op).

pub fn where_in<V: IntoLit>( self, field: &str, values: impl IntoIterator<Item = V>, ) -> Cond

field IN (values…).

pub fn where_exists(self, f: impl FnOnce(ParentRow) -> Query) -> Cond

EXISTS (<correlated subquery>) — same closure/correlation mechanism as Query::where_exists.

pub fn where_exists_with( self, f: impl FnOnce(ParentRow) -> Query, opts: ExistsOpts, ) -> Cond

Cond::where_exists with ExistsOpts (e.g. { scalar: true }).

pub fn where_not_exists(self, f: impl FnOnce(ParentRow) -> Query) -> Cond

NOT EXISTS (<correlated subquery>).

pub fn where_not_exists_with( self, f: impl FnOnce(ParentRow) -> Query, opts: ExistsOpts, ) -> Cond

Cond::where_not_exists with ExistsOpts.

pub fn where_exists_no_sync(self, f: impl FnOnce(ParentRow) -> Query) -> Cond

EXISTS (<correlated subquery>) as a server-only, non-syncing gate — the nestable form of Query::where_exists_no_sync.

pub fn where_not_exists_no_sync( self, f: impl FnOnce(ParentRow) -> Query, ) -> Cond

NOT EXISTS (<correlated subquery>) as a server-only, non-syncing gate — the nestable form of Query::where_not_exists_no_sync.

pub fn any(self, f: impl FnOnce(Cond) -> Cond) -> Cond

Nest an OR sub-group: (… OR …).

pub fn all(self, f: impl FnOnce(Cond) -> Cond) -> Cond

Nest an AND sub-group: (… AND …).