113 lines
4.1 KiB
C++
113 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/term.hh"
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#include "database_fwd.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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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(
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statement_type type,
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uint32_t bound_terms,
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schema_ptr s,
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std::unique_ptr<attributes> attrs,
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cql_stats& stats);
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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) const 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) const;
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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(
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uint32_t bound_terms,
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schema_ptr s,
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std::unique_ptr<attributes> attrs,
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cql_stats& stats,
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::shared_ptr<term> t, bool default_unset)
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: update_statement(statement_type::INSERT, bound_terms, s, std::move(attrs), stats)
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, _term(t)
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, _default_unset(default_unset) {
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_restrictions = 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) const override;
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virtual dht::partition_range_vector build_partition_keys(const query_options& options, const json_cache_opt& json_cache) const override;
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virtual query::clustering_row_ranges create_clustering_ranges(const query_options& options, const json_cache_opt& json_cache) const override;
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json_cache_opt maybe_prepare_json_cache(const query_options& options) const override;
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void execute_set_value(mutation& m, const clustering_key_prefix& prefix, const update_parameters&
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params, const column_definition& column, const bytes_opt& value) const;
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};
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}
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}
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