void ExclusionNode::excludePath(FieldPath path) {
if (path.getPathLength() == 1) {
_excludedFields.insert(path.fullPath());
return;
}
addOrGetChild(path.getFieldName(0))->excludePath(path.tail());
}
void ProjectionNode::addProjectionForPath(const FieldPath& path) {
if (path.getPathLength() == 1) {
_projectedFields.insert(path.fullPath());
return;
}
// FieldPath can't be empty, so it is safe to obtain the first path component here.
addOrGetChild(path.getFieldName(0).toString())->addProjectionForPath(path.tail());
}
void ProjectionNode::addExpressionForPath(const FieldPath& path,
boost::intrusive_ptr<Expression> expr) {
// If the computed fields policy is 'kBanComputedFields', we should never reach here.
invariant(_policies.computedFieldsPolicy == ComputedFieldsPolicy::kAllowComputedFields);
if (path.getPathLength() == 1) {
auto fieldName = path.fullPath();
_expressions[fieldName] = expr;
_orderToProcessAdditionsAndChildren.push_back(fieldName);
return;
}
// FieldPath can't be empty, so it is safe to obtain the first path component here.
addOrGetChild(path.getFieldName(0).toString())->addExpressionForPath(path.tail(), expr);
}
