69a385fd9d
Schema related files are moved there. This excludes schema files that also interact with mutations, because the mutation module depends on the schema. Those files will have to go into a separate module. Closes #12858
66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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#include <optional>
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#include <vector>
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#include "query-request.hh"
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#include "schema/schema_fwd.hh"
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//
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// Fluent builder for query::partition_slice.
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//
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// Selects everything by default, unless restricted. Each property can be
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// restricted separately. For example, by default all static columns are
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// selected, but if with_static_column() is called then only that column will
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// be included. Still, all regular columns and the whole clustering range will
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// be selected (unless restricted).
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//
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class partition_slice_builder {
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std::optional<query::column_id_vector> _regular_columns;
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std::optional<query::column_id_vector> _static_columns;
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std::optional<std::vector<query::clustering_range>> _row_ranges;
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std::unique_ptr<query::specific_ranges> _specific_ranges;
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const schema& _schema;
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query::partition_slice::option_set _options;
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uint64_t _partition_row_limit = query::partition_max_rows;
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public:
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partition_slice_builder(const schema& schema);
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partition_slice_builder(const schema& schema, query::partition_slice slice);
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partition_slice_builder& with_static_column(bytes name);
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partition_slice_builder& with_no_static_columns();
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partition_slice_builder& with_regular_column(bytes name);
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partition_slice_builder& with_no_regular_columns();
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partition_slice_builder& with_range(query::clustering_range range);
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partition_slice_builder& with_ranges(std::vector<query::clustering_range>);
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// noop if no ranges have been set yet
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partition_slice_builder& mutate_ranges(std::function<void(std::vector<query::clustering_range>&)>);
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// noop if no specific ranges have been set yet
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partition_slice_builder& mutate_specific_ranges(std::function<void(query::specific_ranges&)>);
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partition_slice_builder& without_partition_key_columns();
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partition_slice_builder& without_clustering_key_columns();
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partition_slice_builder& reversed();
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template <query::partition_slice::option OPTION>
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partition_slice_builder& with_option() {
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_options.set<OPTION>();
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return *this;
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}
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template <query::partition_slice::option OPTION>
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partition_slice_builder& with_option_toggled() {
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_options.toggle<OPTION>();
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return *this;
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}
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partition_slice_builder& with_partition_row_limit(uint64_t limit);
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query::partition_slice build();
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};
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