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https://github.com/scylladb/scylladb.git
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3f862f9ece
Move selectable_column to selectable.cc (and to the cql3::selection namespace). This cleans up column_identifier.hh so it is now a pure vocabulary header.
129 lines
3.7 KiB
C++
129 lines
3.7 KiB
C++
/*
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* Copyright (C) 2015-present ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cql3/column_identifier.hh"
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#include "exceptions/exceptions.hh"
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#include "cql3/util.hh"
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#include "cql3/query_options.hh"
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#include <regex>
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namespace cql3 {
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column_identifier::column_identifier(sstring raw_text, bool keep_case) {
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_text = std::move(raw_text);
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if (!keep_case) {
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std::transform(_text.begin(), _text.end(), _text.begin(), ::tolower);
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}
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bytes_ = to_bytes(_text);
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}
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column_identifier::column_identifier(bytes bytes_, data_type type)
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: bytes_(std::move(bytes_))
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, _text(type->get_string(this->bytes_))
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{ }
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column_identifier::column_identifier(bytes bytes_, sstring text)
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: bytes_(std::move(bytes_))
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, _text(std::move(text))
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{ }
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bool column_identifier::operator==(const column_identifier& other) const {
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return bytes_ == other.bytes_;
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}
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const sstring& column_identifier::text() const {
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return _text;
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}
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const bytes& column_identifier::name() const {
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return bytes_;
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}
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sstring column_identifier::to_string() const {
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return _text;
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}
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sstring column_identifier::to_cql_string() const {
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return util::maybe_quote(_text);
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}
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sstring column_identifier_raw::to_cql_string() const {
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return util::maybe_quote(_text);
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}
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column_identifier_raw::column_identifier_raw(sstring raw_text, bool keep_case)
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: _raw_text{raw_text}
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, _text{raw_text}
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{
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if (!keep_case) {
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std::transform(_text.begin(), _text.end(), _text.begin(), ::tolower);
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}
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}
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::shared_ptr<column_identifier> column_identifier_raw::prepare(const schema& s) const {
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return prepare_column_identifier(s);
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}
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::shared_ptr<column_identifier>
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column_identifier_raw::prepare_column_identifier(const schema& schema) const {
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if (schema.regular_column_name_type() == utf8_type) {
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return ::make_shared<column_identifier>(_text, true);
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}
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// We have a Thrift-created table with a non-text comparator. We need to parse column names with the comparator
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// to get the correct ByteBuffer representation. However, this doesn't apply to key aliases, so we need to
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// make a special check for those and treat them normally. See CASSANDRA-8178.
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auto text_bytes = to_bytes(_text);
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auto def = schema.get_column_definition(text_bytes);
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if (def) {
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return ::make_shared<column_identifier>(std::move(text_bytes), _text);
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}
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return ::make_shared<column_identifier>(schema.regular_column_name_type()->from_string(_raw_text), _text);
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}
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bool column_identifier_raw::processes_selection() const {
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return false;
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}
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bool column_identifier_raw::operator==(const column_identifier_raw& other) const {
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return _text == other._text;
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}
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bool column_identifier_raw::operator!=(const column_identifier_raw& other) const {
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return !operator==(other);
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}
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sstring column_identifier_raw::to_string() const {
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return _text;
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}
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std::ostream& operator<<(std::ostream& out, const column_identifier_raw& id) {
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return out << id._text;
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}
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}
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bool cql3::column_identifier::text_comparator::operator()(const cql3::column_identifier& c1, const cql3::column_identifier& c2) const {
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return c1.text() < c2.text();
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}
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