e153e590c1
When inserting a JSON, additional DEFAULT UNSET or DEFAULT NULL keywords can be appended. With DEFAULT UNSET, values omitted in JSON will not be changed at all. With DEFAULT NULL (default), omitted values will be treated as having a 'null' value. Fixes #3909
106 lines
4.1 KiB
C++
106 lines
4.1 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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#pragma once
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#include "cql3/statements/modification_statement.hh"
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#include "cql3/statements/raw/modification_statement.hh"
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#include "cql3/column_identifier.hh"
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#include "cql3/term.hh"
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#include "database_fwd.hh"
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#include <vector>
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#include "unimplemented.hh"
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namespace cql3 {
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namespace statements {
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/**
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* An <code>UPDATE</code> statement parsed from a CQL query statement.
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*
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*/
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class update_statement : public modification_statement {
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public:
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#if 0
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private static final Constants.Value EMPTY = new Constants.Value(ByteBufferUtil.EMPTY_BYTE_BUFFER);
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#endif
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update_statement(statement_type type, uint32_t bound_terms, schema_ptr s, std::unique_ptr<attributes> attrs, uint64_t* cql_stats_counter_ptr);
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private:
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virtual bool require_full_clustering_key() const override;
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virtual bool allow_clustering_key_slices() const override;
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virtual void add_update_for_key(mutation& m, const query::clustering_range& range, const update_parameters& params, const json_cache_opt& json_cache) override;
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virtual void execute_operations_for_key(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params, const json_cache_opt& json_cache);
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};
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/*
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* Update statement specification that has specifically one bound name - a JSON string.
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* Overridden add_update_for_key uses this parsed JSON to look up values for columns.
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*/
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class insert_prepared_json_statement : public update_statement {
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::shared_ptr<term> _term;
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bool _default_unset;
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public:
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insert_prepared_json_statement(uint32_t bound_terms, schema_ptr s, std::unique_ptr<attributes> attrs, uint64_t* cql_stats_counter_ptr, ::shared_ptr<term> t, bool default_unset)
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: update_statement(statement_type::INSERT, bound_terms, s, std::move(attrs), cql_stats_counter_ptr), _term(t), _default_unset(default_unset) {
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_restrictions = ::make_shared<restrictions::statement_restrictions>(s, false);
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}
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private:
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virtual void execute_operations_for_key(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params, const json_cache_opt& json_cache) override;
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virtual dht::partition_range_vector build_partition_keys(const query_options& options, const json_cache_opt& json_cache) override;
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virtual query::clustering_row_ranges create_clustering_ranges(const query_options& options, const json_cache_opt& json_cache) override;
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json_cache_opt maybe_prepare_json_cache(const query_options& options) override;
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void execute_set_value(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params, const column_definition& column, const bytes_opt& value);
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};
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}
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}
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