Skip to main content Module expr Copy item path Source Filter Single predicate against a field. ScalarSubqueryExpr Scalar subquery evaluated as part of a scalar expression. SubqueryExpr Correlated subquery used within a predicate expression. SubqueryId Metadata describing a correlated subquery. AggregateCall Aggregate function call within a scalar expression. 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. LiteralExt Extension methods for working with Literal.