Files
scylladb/cql3/update_parameters.cc
Duarte Nunes 9e88b60ef5 mutation: Set cell using clustering_key_prefix
Change the clustering key argument in mutation::set_cell from
exploded_clustering_prefix to clustering_key_prefix, which allows for
some overall code simplification and fewer copies. This mostly affects
the cql3 layer.

Signed-off-by: Duarte Nunes <duarte@scylladb.com>
2017-05-04 15:59:50 +02:00

75 lines
2.2 KiB
C++

/*
* Licensed to the Apache Software Foundation (ASF) under one
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*
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*
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* See the License for the specific language governing permissions and
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*/
/*
* Copyright (C) 2015 ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cql3/update_parameters.hh"
namespace cql3 {
const update_parameters::prefetch_data::cell_list*
update_parameters::get_prefetched_list(
partition_key_view pkey,
clustering_key_view ckey,
const column_definition& column) const
{
if (!_prefetched) {
return {};
}
auto i = _prefetched->rows.find(std::make_pair(std::move(pkey), std::move(ckey)));
if (i == _prefetched->rows.end()) {
return {};
}
auto&& row = i->second;
auto j = row.find(column.id);
if (j == row.end()) {
return {};
}
return &j->second;
}
update_parameters::prefetch_data::prefetch_data(schema_ptr schema)
: rows(8, key_hashing(*schema), key_equality(*schema))
, schema(schema)
{ }
}