Function apollo_compiler::execution::execute_introspection_only_query

pub fn execute_introspection_only_query(
    schema: &Valid<Schema>,
    document: &Valid<ExecutableDocument>,
    operation: &Node<Operation>,
    variable_values: &Valid<JsonMap>,
) -> Response

Execute a query whose root fields are all intropsection meta-fields: __schema, __type, or __typename.

Returns an error if operation_name does not correspond to a an operation definition