polardbxengine/plugin/galaxy/udf/registrator.cc

72 lines
2.5 KiB
C++

/* Copyright (c) 2018, 2021, Alibaba and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL/PolarDB-X Engine hereby grant you an
additional permission to link the program and your derivative works with the
separately licensed software that they have included with
MySQL/PolarDB-X Engine.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include "plugin/galaxy/udf/registrator.h"
namespace gs {
namespace udf {
/**
Register udf
@param[in] def UDF
@retval true Failure
@retval false Success
*/
bool Registrator::udf_register(gs::udf::Udf_definition def) {
switch (def.m_type) {
case UDFTYPE_FUNCTION:
return m_udf_registry.udf_register(def.m_name, def.m_result, def.m_func,
def.m_func_init, def.m_func_deinit);
case UDFTYPE_AGGREGATE:
return m_udf_registry_aggregate.udf_register(
def.m_name, def.m_result, def.m_func, def.m_func_init,
def.m_func_deinit, def.m_func_add, def.m_func_clear);
}
return true;
}
/**
Unregister udf
@param[in] name UDF name
@param[out] present Whether exists
@retval true Failure
@retval false Success
*/
bool Registrator::udf_unregister(const Udf_name name, int *was_present) {
std::string func_name = name.first;
Item_udftype type = name.second;
switch (type) {
case UDFTYPE_FUNCTION:
return m_udf_registry.udf_unregister(func_name.c_str(), was_present);
case UDFTYPE_AGGREGATE:
return m_udf_registry_aggregate.udf_unregister(func_name.c_str(),
was_present);
}
return true;
}
} // namespace udf
} // namespace gs