76bea23174
Use forward declarations wherever possible. Signed-off-by: Pavel Solodovnikov <pa.solodovnikov@scylladb.com> Closes #8813
60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
/*
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* Copyright (C) 2019-present ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "cql3/statements/function_statement.hh"
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#include "cql3/cql3_type.hh"
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namespace cql3 {
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class query_processor;
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namespace functions {
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class user_function;
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}
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namespace statements {
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class create_function_statement final : public create_function_statement_base {
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virtual std::unique_ptr<prepared_statement> prepare(database& db, cql_stats& stats) override;
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virtual future<shared_ptr<cql_transport::event::schema_change>> announce_migration(
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query_processor& qp) const override;
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virtual void create(service::storage_proxy& proxy, functions::function* old) const override;
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sstring _language;
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sstring _body;
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std::vector<shared_ptr<column_identifier>> _arg_names;
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shared_ptr<cql3_type::raw> _return_type;
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bool _called_on_null_input;
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// To support "IF NOT EXISTS" we create the function during the verify stage and use it in announce_migration. In
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// this case it is possible that there is no error but no function is created. We could duplicate some logic in
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// announce_migration or have a _should_create boolean, but creating the function early is probably the simplest.
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mutable shared_ptr<functions::user_function> _func{};
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public:
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create_function_statement(functions::function_name name, sstring language, sstring body,
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std::vector<shared_ptr<column_identifier>> arg_names, std::vector<shared_ptr<cql3_type::raw>> arg_types,
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shared_ptr<cql3_type::raw> return_type, bool called_on_null_input, bool or_replace, bool if_not_exists);
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};
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}
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}
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