f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
95 lines
3.6 KiB
C++
95 lines
3.6 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: (LicenseRef-ScyllaDB-Source-Available-1.0 and Apache-2.0)
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*/
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#pragma once
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#include "operation.hh"
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namespace cql3 {
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/**
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* Static helper methods and classes for lists.
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*/
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class lists {
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lists() = delete;
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public:
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static lw_shared_ptr<column_specification> index_spec_of(const column_specification&);
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static lw_shared_ptr<column_specification> value_spec_of(const column_specification&);
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static lw_shared_ptr<column_specification> uuid_index_spec_of(const column_specification&);
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public:
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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& prefix, const update_parameters& params) override;
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static void execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params, const column_definition& column, const cql3::raw_value& value);
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};
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class setter_by_index : public operation_skip_if_unset {
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protected:
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expr::expression _idx;
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public:
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setter_by_index(const column_definition& column, expr::expression idx, expr::expression e)
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: operation_skip_if_unset(column, std::move(e)), _idx(std::move(idx)) {
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}
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virtual bool requires_read() const override;
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virtual void fill_prepare_context(prepare_context& ctx) override;
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virtual void execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params) override;
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};
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class setter_by_uuid : public setter_by_index {
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public:
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setter_by_uuid(const column_definition& column, expr::expression idx, expr::expression e)
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: setter_by_index(column, std::move(idx), std::move(e)) {
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}
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virtual bool requires_read() const override;
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virtual void execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params) override;
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};
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class appender : public operation_skip_if_unset {
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public:
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using operation_skip_if_unset::operation_skip_if_unset;
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virtual void execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params) override;
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};
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static void do_append(const cql3::raw_value& list_value,
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mutation& m,
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const clustering_key_prefix& prefix,
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const column_definition& column,
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const update_parameters& params);
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class prepender : public operation_skip_if_unset {
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public:
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using operation_skip_if_unset::operation_skip_if_unset;
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virtual void execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params) override;
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};
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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 bool requires_read() const override;
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virtual void execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params) override;
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};
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class discarder_by_index : public operation_skip_if_unset {
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public:
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discarder_by_index(const column_definition& column, expr::expression idx)
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: operation_skip_if_unset(column, std::move(idx)) {
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}
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virtual bool requires_read() const override;
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virtual void execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params) override;
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};
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};
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}
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