Function mz_sql::plan::query::cast_relation
source ยท fn cast_relation<'a, I>(
qcx: &QueryContext<'_>,
ccx: CastContext,
expr: HirRelationExpr,
target_types: I,
) -> Result<HirRelationExpr, CastRelationError>where
I: IntoIterator<Item = &'a ScalarType>,
Expand description
Cast a relation from one type to another using the specified type of cast.
The length of target_types
must match the arity of expr
.