RelNode toRel(Queryable<T> queryable) {
if (queryable instanceof QueryableDefaults.Replayable) {
//noinspection unchecked
((QueryableDefaults.Replayable) queryable).replay(this);
return rel;
}
if (queryable instanceof Table) {
final OptiqPrepareImpl.RelOptTableImpl relOptTable =
new OptiqPrepareImpl.RelOptTableImpl(
null, ((Table) queryable).getRowType(), new String[0], (Table) queryable);
if (queryable instanceof TranslatableTable) {
return ((TranslatableTable) queryable).toRel(translator, relOptTable);
} else {
return new TableAccessRel(translator.cluster, relOptTable);
}
}
return translator.translate(queryable.getExpression());
}
public <T> PrepareResult<T> prepareQueryable(Context context, Queryable<T> queryable) {
return prepare_(context, null, queryable, queryable.getElementType());
}