cdcbf654a8
This commit adds the implementation of INSERT JSON clause
which accepts JSON object as parameter and inserts appropriate
values into appropriate columns, as defined in given JSON.
Example:
INSERT INTO testme JSON '{
"id" : 77,
"name" : "Jones",
"ranking" : 8.5
}'
References #2058
99 lines
3.5 KiB
C++
99 lines
3.5 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2015 ScyllaDB
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*
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* Modified by 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 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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#include "cql3/variable_specifications.hh"
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namespace cql3 {
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variable_specifications::variable_specifications(const std::vector<::shared_ptr<column_identifier>>& variable_names)
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: _variable_names{variable_names}
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, _specs{variable_names.size()}
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, _target_columns{variable_names.size()}
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{ }
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::shared_ptr<variable_specifications> variable_specifications::empty() {
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return ::make_shared<variable_specifications>(std::vector<::shared_ptr<column_identifier>>{});
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}
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size_t variable_specifications::size() const {
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return _variable_names.size();
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}
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std::vector<::shared_ptr<column_specification>> variable_specifications::get_specifications() const & {
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return std::vector<::shared_ptr<column_specification>>(_specs.begin(), _specs.end());
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}
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std::vector<::shared_ptr<column_specification>> variable_specifications::get_specifications() && {
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return std::move(_specs);
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}
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std::vector<uint16_t> variable_specifications::get_partition_key_bind_indexes(schema_ptr schema) const {
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auto count = schema->partition_key_columns().size();
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std::vector<uint16_t> partition_key_positions(count, uint16_t(0));
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std::vector<bool> set(count, false);
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for (size_t i = 0; i < _target_columns.size(); i++) {
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auto& target_column = _target_columns[i];
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const auto* cdef = target_column ? schema->get_column_definition(target_column->name->name()) : nullptr;
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if (cdef && cdef->is_partition_key()) {
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partition_key_positions[cdef->position()] = i;
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set[cdef->position()] = true;
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}
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}
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for (bool b : set) {
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if (!b) {
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return {};
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}
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}
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return partition_key_positions;
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}
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void variable_specifications::add(int32_t bind_index, ::shared_ptr<column_specification> spec) {
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_target_columns[bind_index] = spec;
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auto name = _variable_names[bind_index];
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// Use the user name, if there is one
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if (name) {
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spec = ::make_shared<column_specification>(spec->ks_name, spec->cf_name, name, spec->type);
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}
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_specs[bind_index] = spec;
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}
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}
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