4fa12f2fb8
The header sits in many other headers, but there's a handy schema_fwd.hh that's tiny and contains needed declarations for other headers. So replace shema.hh with schema_fwd.hh in most of the headers (and remove completely from some). Signed-off-by: Pavel Emelyanov <xemul@scylladb.com> Message-Id: <20200303102050.18462-1-xemul@scylladb.com>
73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/*
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* Copyright 2019 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 Affero 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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#pragma once
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#include <string>
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#include <string_view>
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#include "types.hh"
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#include "schema_fwd.hh"
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#include "keys.hh"
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#include "rjson.hh"
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#include "utils/big_decimal.hh"
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namespace alternator {
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enum class alternator_type : int8_t {
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S, B, BOOL, N, NOT_SUPPORTED_YET
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};
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struct type_info {
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alternator_type atype;
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data_type dtype;
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};
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struct type_representation {
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std::string ident;
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data_type dtype;
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};
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type_info type_info_from_string(std::string type);
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type_representation represent_type(alternator_type atype);
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bytes serialize_item(const rjson::value& item);
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rjson::value deserialize_item(bytes_view bv);
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std::string type_to_string(data_type type);
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bytes get_key_column_value(const rjson::value& item, const column_definition& column);
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bytes get_key_from_typed_value(const rjson::value& key_typed_value, const column_definition& column);
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rjson::value json_key_column_value(bytes_view cell, const column_definition& column);
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partition_key pk_from_json(const rjson::value& item, schema_ptr schema);
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clustering_key ck_from_json(const rjson::value& item, schema_ptr schema);
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// If v encodes a number (i.e., it is a {"N": [...]}, returns an object representing it. Otherwise,
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// raises ValidationException with diagnostic.
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big_decimal unwrap_number(const rjson::value& v, std::string_view diagnostic);
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// Check if a given JSON object encodes a set (i.e., it is a {"SS": [...]}, or "NS", "BS"
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// and returns set's type and a pointer to that set. If the object does not encode a set,
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// returned value is {"", nullptr}
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const std::pair<std::string, const rjson::value*> unwrap_set(const rjson::value& v);
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}
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