Files
scylladb/cql3/column_identifier.cc
Tomasz Grabiec 731a63e371 schema: Embed raw_schema inside schema
Public fields got encapsulated.
2015-04-24 18:01:01 +02:00

44 lines
1.6 KiB
C++

/*
* Copyright 2015 Cloudius Systems
*/
#include "cql3/column_identifier.hh"
#include "exceptions/exceptions.hh"
#include "cql3/selection/simple_selector.hh"
namespace cql3 {
::shared_ptr<column_identifier>
column_identifier::raw::prepare_column_identifier(schema_ptr schema) {
if (schema->regular_column_name_type() == utf8_type) {
return ::make_shared<column_identifier>(_text, true);
}
// We have a Thrift-created table with a non-text comparator. We need to parse column names with the comparator
// to get the correct ByteBuffer representation. However, this doesn't apply to key aliases, so we need to
// make a special check for those and treat them normally. See CASSANDRA-8178.
auto text_bytes = to_bytes(_text);
auto def = schema->get_column_definition(text_bytes);
if (def) {
return ::make_shared<column_identifier>(std::move(text_bytes), _text);
}
return ::make_shared<column_identifier>(schema->regular_column_name_type()->from_string(_raw_text), _text);
}
std::ostream& operator<<(std::ostream& out, const column_identifier::raw& id) {
return out << id._text;
}
::shared_ptr<selection::selector::factory>
column_identifier::new_selector_factory(database& db, schema_ptr schema, std::vector<const column_definition*>& defs) {
auto def = get_column_definition(schema, *this);
if (!def) {
throw exceptions::invalid_request_exception(sprint("Undefined name %s in selection clause", _text));
}
return selection::simple_selector::new_factory(def->name_as_text(), add_and_get_index(*def, defs), def->type);
}
}