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82eb5611ab
The method allows to check if the builder contains any changes, so it will allow to skip emitting empty mutation.
66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/*
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* Copyright (C) 2025-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.1
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*/
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#pragma once
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#include "db/view/view_building_state.hh"
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#include "mutation/mutation.hh"
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#include "db/system_keyspace.hh"
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#include "mutation/timestamp.hh"
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namespace db {
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namespace view {
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// Factory for mutations to `system.view_building_tasks` table.
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class view_building_task_mutation_builder {
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api::timestamp_type _ts;
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std::optional<task_uuid_generator> _uuid_gen;
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schema_ptr _s;
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mutation _m;
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public:
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view_building_task_mutation_builder(api::timestamp_type ts, std::optional<task_uuid_generator> uuid_gen = std::nullopt)
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: _ts(ts)
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, _uuid_gen(std::move(uuid_gen))
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, _s(db::system_keyspace::view_building_tasks())
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, _m(_s, partition_key::from_single_value(*_s, data_value("view_building").serialize_nonnull()))
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{ }
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utils::UUID new_id();
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view_building_task_mutation_builder& set_type(utils::UUID id, db::view::view_building_task::task_type type);
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view_building_task_mutation_builder& set_aborted(utils::UUID id, bool aborted);
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view_building_task_mutation_builder& set_base_id(utils::UUID id, table_id base_id);
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view_building_task_mutation_builder& set_view_id(utils::UUID id, table_id view_id);
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view_building_task_mutation_builder& set_last_token(utils::UUID id, dht::token last_token);
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view_building_task_mutation_builder& set_replica(utils::UUID id, const locator::tablet_replica& replica);
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view_building_task_mutation_builder& del_task(utils::UUID id);
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// Deletes all tasks with clustering key < id using a range tombstone.
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view_building_task_mutation_builder& del_tasks_before(utils::UUID id);
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// Deletes all tasks using a range tombstone covering the entire clustering range.
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view_building_task_mutation_builder& del_all_tasks();
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// Sets the static column min_task_id to `id`.
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view_building_task_mutation_builder& set_min_task_id(utils::UUID id);
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view_building_task_mutation_builder& set_task(db::view::view_building_task& task);
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mutation build() {
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return std::move(_m);
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}
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bool empty() const {
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return _m.partition().empty();
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}
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private:
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clustering_key get_ck(utils::UUID id);
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};
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}
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}
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