Files
scylladb/alternator/serialization.hh
Dejan Mircevski 9955f0342f alternator: Make unwrap_number() visible
unwrap_number() is now a public function in serialization.hh instead
of a static function visible only in executor.cc.

Signed-off-by: Dejan Mircevski <dejan@scylladb.com>
2019-10-31 10:46:30 -04:00

67 lines
2.0 KiB
C++

/*
* Copyright 2019 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 Affero General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <string>
#include <string_view>
#include "types.hh"
#include "schema.hh"
#include "keys.hh"
#include "rjson.hh"
#include "utils/big_decimal.hh"
namespace alternator {
enum class alternator_type : int8_t {
S, B, BOOL, N, NOT_SUPPORTED_YET
};
struct type_info {
alternator_type atype;
data_type dtype;
};
struct type_representation {
std::string ident;
data_type dtype;
};
type_info type_info_from_string(std::string type);
type_representation represent_type(alternator_type atype);
bytes serialize_item(const rjson::value& item);
rjson::value deserialize_item(bytes_view bv);
std::string type_to_string(data_type type);
bytes get_key_column_value(const rjson::value& item, const column_definition& column);
bytes get_key_from_typed_value(const rjson::value& key_typed_value, const column_definition& column, const std::string& expected_type);
rjson::value json_key_column_value(bytes_view cell, const column_definition& column);
partition_key pk_from_json(const rjson::value& item, schema_ptr schema);
clustering_key ck_from_json(const rjson::value& item, schema_ptr schema);
// If v encodes a number (i.e., it is a {"N": [...]}, returns an object representing it. Otherwise,
// raises ValidationException with diagnostic.
big_decimal unwrap_number(const rjson::value& v, std::string_view diagnostic);
}