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scylladb/redis/query_utils.hh

59 lines
2.1 KiB
C++

/*
* Copyright (C) 2019 pengjian.uestc @ gmail.com
*/
/*
* 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/>.
*/
#pragma once
#include "seastar/core/shared_ptr.hh"
#include "seastar/core/future.hh"
#include "bytes.hh"
#include "gc_clock.hh"
#include "query-request.hh"
namespace service {
class storage_proxy;
class client_state;
}
class service_permit;
namespace redis {
class redis_options;
struct strings_result {
bytes _result;
bool _has_result;
ttl_opt _ttl;
bytes& result() { return _result; }
bool has_result() const { return _has_result; }
gc_clock::duration ttl() { return _ttl.value(); }
bool has_ttl() { return _ttl.has_value(); }
};
seastar::future<seastar::lw_shared_ptr<strings_result>> read_strings(service::storage_proxy&, const redis_options&, const bytes&, service_permit);
seastar::future<seastar::lw_shared_ptr<strings_result>> query_strings(service::storage_proxy&, const redis_options&, const bytes&, service_permit, schema_ptr, query::partition_slice);
seastar::future<seastar::lw_shared_ptr<std::map<bytes, bytes>>> read_hashes(service::storage_proxy&, const redis_options&, const bytes&, service_permit);
seastar::future<seastar::lw_shared_ptr<std::map<bytes, bytes>>> read_hashes(service::storage_proxy&, const redis_options&, const bytes&, const bytes&, service_permit);
seastar::future<seastar::lw_shared_ptr<std::map<bytes, bytes>>> query_hashes(service::storage_proxy&, const redis_options&, const bytes&, service_permit, schema_ptr, query::partition_slice);
}