Files
scylladb/cql3/query_options.cc
Pekka Enberg ed92f8516c cql3/query_options: Fix formatting
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>
2015-08-17 09:48:59 +03:00

152 lines
4.3 KiB
C++

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright 2015 Cloudius Systems
*
* Modified by Cloudius Systems
*/
#include "query_options.hh"
#include "version.hh"
namespace cql3 {
thread_local const query_options::specific_options query_options::specific_options::DEFAULT{-1, {}, {}, api::missing_timestamp};
thread_local query_options query_options::DEFAULT{db::consistency_level::ONE, std::experimental::nullopt,
{}, false, query_options::specific_options::DEFAULT, version::native_protocol(), serialization_format::use_32_bit()};
query_options::query_options(db::consistency_level consistency,
std::experimental::optional<std::vector<sstring>> names,
std::vector<bytes_opt> values,
bool skip_metadata,
specific_options options,
int32_t protocol_version,
serialization_format sf)
: _consistency(consistency)
, _names(std::move(names))
, _values(std::move(values))
, _skip_metadata(skip_metadata)
, _options(std::move(options))
, _protocol_version(protocol_version)
, _serialization_format(sf)
{
}
query_options::query_options(std::vector<bytes_opt> values)
: query_options(
db::consistency_level::ONE,
{},
std::move(values),
false,
query_options::specific_options::DEFAULT,
version::native_protocol(),
serialization_format::use_32_bit()
)
{
}
db::consistency_level query_options::get_consistency() const
{
return _consistency;
}
const bytes_opt& query_options::get_value_at(size_t idx) const
{
return _values.at(idx);
}
size_t query_options::get_values_count() const
{
return _values.size();
}
bool query_options::skip_metadata() const
{
return _skip_metadata;
}
int32_t query_options::get_page_size() const
{
return get_specific_options().page_size;
}
::shared_ptr<service::pager::paging_state> query_options::get_paging_state() const
{
return get_specific_options().state;
}
std::experimental::optional<db::consistency_level> query_options::get_serial_consistency() const
{
return get_specific_options().serial_consistency;
}
api::timestamp_type query_options::get_timestamp(service::query_state& state) const
{
auto tstamp = get_specific_options().timestamp;
return tstamp != api::missing_timestamp ? tstamp : state.get_timestamp();
}
int query_options::get_protocol_version() const
{
return _protocol_version;
}
serialization_format query_options::get_serialization_format() const
{
return _serialization_format;
}
const query_options::specific_options& query_options::get_specific_options() const
{
return _options;
}
const query_options& query_options::for_statement(size_t i) const
{
if (!_batch_options) {
// No per-statement options supplied, so use the "global" options
return *this;
}
return _batch_options->at(i);
}
void query_options::prepare(const std::vector<::shared_ptr<column_specification>>& specs)
{
if (!_names) {
return;
}
auto& names = *_names;
std::vector<bytes_opt> ordered_values;
ordered_values.reserve(specs.size());
for (auto&& spec : specs) {
auto& spec_name = spec->name->text();
for (size_t j = 0; j < names.size(); j++) {
if (names[j] == spec_name) {
ordered_values.emplace_back(_values[j]);
break;
}
}
}
_values = std::move(ordered_values);
}
}