66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
/*
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* Copyright (C) 2015-present ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
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*/
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#pragma once
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#include "maps.hh"
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#include "column_specification.hh"
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#include "column_identifier.hh"
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#include "utils/to_string.hh"
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#include <unordered_set>
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namespace cql3 {
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/**
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* Static helper methods and classes for sets.
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*/
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class sets {
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sets() = delete;
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public:
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static lw_shared_ptr<column_specification> value_spec_of(const column_specification& column);
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class setter : public operation_skip_if_unset {
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public:
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setter(const column_definition& column, expr::expression e)
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: operation_skip_if_unset(column, std::move(e)) {
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}
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virtual void execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params) override;
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static void execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params, const column_definition& column, const cql3::raw_value& value);
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};
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class adder : public operation_skip_if_unset {
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public:
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adder(const column_definition& column, expr::expression e)
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: operation_skip_if_unset(column, std::move(e)) {
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}
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virtual void execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params) override;
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static void do_add(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params,
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const cql3::raw_value& value, const column_definition& column);
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};
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// Note that this is reused for Map subtraction too (we subtract a set from a map)
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class discarder : public operation_skip_if_unset {
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public:
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discarder(const column_definition& column, expr::expression e)
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: operation_skip_if_unset(column, std::move(e)) {
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}
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virtual void execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params) override;
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};
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class element_discarder : public operation_no_unset_support {
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public:
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element_discarder(const column_definition& column, expr::expression e)
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: operation_no_unset_support(column, std::move(e)) { }
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virtual void execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params) override;
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};
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};
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}
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