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69 lines
2.8 KiB
69 lines
2.8 KiB
5 months ago
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/* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program 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, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#if !defined(UDF_REGISTRATION_IMP_H)
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#define UDF_REGISTRATION_IMP_H
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#include <mysql/components/service_implementation.h>
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#include <mysql/components/services/udf_registration.h>
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struct udf_func;
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/**
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A helper class for the implementation of the
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udf_registration and udf_aggregate functions
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Needed because we register these service implementations
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as part of the mysql_server component.
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*/
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class mysql_udf_registration_imp {
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public: /* service implementations */
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/** udf_registration::udf_register */
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static DEFINE_BOOL_METHOD(udf_register,
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(const char *name, Item_result return_type,
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Udf_func_any func, Udf_func_init init_func,
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Udf_func_deinit deinit_func));
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/** udf_registration::udf_unregister
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and udf_registration_aggregate::udf_register
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*/
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static DEFINE_BOOL_METHOD(udf_unregister,
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(const char *name, int *was_present));
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/** udf_registration_aggregate::udf_register */
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static DEFINE_BOOL_METHOD(udf_register_aggregate,
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(const char *func_name,
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enum Item_result return_type, Udf_func_any func,
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Udf_func_init init_func,
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Udf_func_deinit deinit_func, Udf_func_add add_func,
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Udf_func_clear clear_func));
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private:
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static bool udf_register_inner(udf_func *func);
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static udf_func *alloc_udf(const char *func_name,
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enum Item_result return_type, Udf_func_any func,
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Udf_func_init init_func,
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Udf_func_deinit deinit_func);
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};
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#endif
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