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function.h
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/* Copyright (c) 2017 Oracle 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 as published by
the Free Software Foundation; version 2 of the License.
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 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,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
#ifndef DD__FUNCTION_INCLUDED
#define DD__FUNCTION_INCLUDED
#include "my_global.h"
#include "my_inttypes.h"
#include "dd/types/column.h" // dd::Column::enum_column_types
#include "dd/types/routine.h" // dd::Routine
namespace dd {
class Object_type;
///////////////////////////////////////////////////////////////////////////
class Function : virtual public Routine
{
public:
static const Object_type &TYPE();
virtual bool update_name_key(name_key_type *key) const
{ return update_routine_name_key(key, schema_id(), name()); }
static bool update_name_key(name_key_type *key,
Object_id schema_id,
const String_type &name);
public:
virtual ~Function()
{ };
public:
/////////////////////////////////////////////////////////////////////////
// result data type.
/////////////////////////////////////////////////////////////////////////
virtual enum_column_types result_data_type() const = 0;
virtual void set_result_data_type(enum_column_types type) = 0;
virtual void set_result_data_type_null(bool is_null) = 0;
virtual bool is_result_data_type_null() const = 0;
/////////////////////////////////////////////////////////////////////////
// Result display type
/////////////////////////////////////////////////////////////////////////
virtual const String_type &result_data_type_utf8() const = 0;
virtual void set_result_data_type_utf8(
const String_type &result_data_type_utf8) = 0;
/////////////////////////////////////////////////////////////////////////
// result_is_zerofill.
/////////////////////////////////////////////////////////////////////////
virtual bool result_is_zerofill() const = 0;
virtual void set_result_zerofill(bool zerofill) = 0;
/////////////////////////////////////////////////////////////////////////
// result_is_unsigned.
/////////////////////////////////////////////////////////////////////////
virtual bool result_is_unsigned() const = 0;
virtual void set_result_unsigned(bool unsigned_flag) = 0;
/////////////////////////////////////////////////////////////////////////
// result_char_length.
/////////////////////////////////////////////////////////////////////////
virtual size_t result_char_length() const = 0;
virtual void set_result_char_length(size_t char_length) = 0;
/////////////////////////////////////////////////////////////////////////
// result_numeric_precision.
/////////////////////////////////////////////////////////////////////////
virtual uint result_numeric_precision() const = 0;
virtual void set_result_numeric_precision(uint numeric_precision) = 0;
/////////////////////////////////////////////////////////////////////////
// result_numeric_scale.
/////////////////////////////////////////////////////////////////////////
virtual uint result_numeric_scale() const = 0;
virtual void set_result_numeric_scale(uint numeric_scale) = 0;
virtual void set_result_numeric_scale_null(bool is_null) = 0;
virtual bool is_result_numeric_scale_null() const = 0;
/////////////////////////////////////////////////////////////////////////
// result_datetime_precision.
/////////////////////////////////////////////////////////////////////////
virtual uint result_datetime_precision() const = 0;
virtual void set_result_datetime_precision(uint datetime_precision) = 0;
/////////////////////////////////////////////////////////////////////////
// result_collation.
/////////////////////////////////////////////////////////////////////////
virtual Object_id result_collation_id() const = 0;
virtual void set_result_collation_id(Object_id collation_id) = 0;
/**
Allocate a new object graph and invoke the copy contructor for
each object. Only used in unit testing.
@return pointer to dynamically allocated copy
*/
virtual Function *clone() const = 0;
};
///////////////////////////////////////////////////////////////////////////
}
#endif // DD__FUNCTION_INCLUDED