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/
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/*
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* Copyright (C) 2019-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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*/
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#pragma once
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#include "cql3/statements/schema_altering_statement.hh"
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#include "cql3/functions/function_name.hh"
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#include "cql3/cql3_type.hh"
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namespace db {
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namespace functions {
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class function;
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}
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}
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namespace cql3 {
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namespace statements {
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class function_statement : public schema_altering_statement {
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protected:
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virtual future<> check_access(query_processor& qp, const service::client_state& state) const override;
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virtual void prepare_keyspace(const service::client_state& state) override;
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db::functions::function_name _name;
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std::vector<shared_ptr<cql3_type::raw>> _raw_arg_types;
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mutable std::vector<data_type> _arg_types;
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static shared_ptr<cql_transport::event::schema_change> create_schema_change(
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const db::functions::function& func, bool created);
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function_statement(functions::function_name name, std::vector<shared_ptr<cql3_type::raw>> raw_arg_types);
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void create_arg_types(query_processor& qp) const;
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data_type prepare_type(query_processor& qp, cql3_type::raw &t) const;
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virtual seastar::future<shared_ptr<db::functions::function>> validate_while_executing(query_processor&) const = 0;
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};
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// common logic for creating UDF and UDA
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class create_function_statement_base : public function_statement {
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protected:
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virtual seastar::future<shared_ptr<db::functions::function>> create(query_processor& qp, db::functions::function* old) const = 0;
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virtual seastar::future<shared_ptr<db::functions::function>> validate_while_executing(query_processor&) const override;
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bool _or_replace;
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bool _if_not_exists;
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create_function_statement_base(functions::function_name name, std::vector<shared_ptr<cql3_type::raw>> raw_arg_types,
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bool or_replace, bool if_not_exists);
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public:
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virtual future<> check_access(query_processor& qp, const service::client_state& state) const override;
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};
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// common logic for dropping UDF and UDA
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class drop_function_statement_base : public function_statement {
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protected:
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virtual seastar::future<shared_ptr<db::functions::function>> validate_while_executing(query_processor&) const override;
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bool _args_present;
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bool _if_exists;
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drop_function_statement_base(functions::function_name name, std::vector<shared_ptr<cql3_type::raw>> arg_types,
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bool args_present, bool if_exists);
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public:
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virtual future<> check_access(query_processor& qp, const service::client_state& state) const override;
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};
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}
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}
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