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/* Copyright (c) 2014, 2025, Oracle and/or its affiliates.
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 designed to work 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 hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have either included with
the program or referenced in the documentation.
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 */
#ifndef FAKE_RANGE_OPT_PARAM
#define FAKE_RANGE_OPT_PARAM
#include <gmock/gmock.h>
#include "sql/range_optimizer/internal.h"
#include "sql/range_optimizer/range_optimizer.h"
#include "unittest/gunit/fake_table.h"
using ::testing::_;
using ::testing::Return;
class Fake_RANGE_OPT_PARAM : public RANGE_OPT_PARAM {
KEY_PART m_key_parts[64];
Mem_root_array<KEY_PART_INFO> m_kpis;
Fake_TABLE fake_table;
public:
/**
Creates a Fake_RANGE_OPT_PARAM and optionally a Fake_TABLE.
@note The Fake_TABLE is always created, but with zero columns if
number_columns is zero. However, it won't be used since
Fake_RANGE_OPT_PARAM::table is NULL.
@param number_columns If non-zero, a Fake_TABLE is created with
this many columns.
@param columns_nullable Creates nullable columns, if applicable.
*/
Fake_RANGE_OPT_PARAM(THD *thd_arg, MEM_ROOT *alloc_arg, int number_columns,
bool columns_nullable)
: m_kpis(alloc_arg), fake_table(number_columns, columns_nullable) {
m_kpis.reserve(64);
real_keynr = alloc_arg->ArrayAlloc<uint>(MAX_KEY);
key = alloc_arg->ArrayAlloc<KEY_PART *>(MAX_KEY);
return_mem_root = alloc_arg;
temp_mem_root = alloc_arg;
query_block = thd_arg->lex->current_query_block();
if (number_columns != 0) {
table = &fake_table;
} else {
table = nullptr;
}
using_real_indexes = true;
key_parts = m_key_parts;
key_parts_end = m_key_parts;
keys = 0;
const Mock_HANDLER *mock_handler = &fake_table.mock_handler;
ON_CALL(*mock_handler, index_flags(_, _, true))
.WillByDefault(Return(HA_READ_RANGE));
}
void add_key(List<Field> fields_in_index) {
List_iterator<Field> it(fields_in_index);
int cur_kp = 0;
table->key_info[keys].actual_key_parts = 0;
for (Field *cur_field = it++; cur_field; cur_field = it++, cur_kp++) {
KEY_PART_INFO *kpi = m_kpis.end(); // Points past the end.
m_kpis.push_back(KEY_PART_INFO()); // kpi now points to a new element
kpi->init_from_field(cur_field);
key_parts_end->key = keys;
key_parts_end->part = cur_kp;
key_parts_end->length = kpi->store_length;
key_parts_end->store_length = kpi->store_length;
key_parts_end->field = kpi->field;
key_parts_end->null_bit = kpi->null_bit;
key_parts_end->flag = static_cast<uint8>(kpi->key_part_flag);
key_parts_end->image_type = Field::itRAW;
key_parts_end++;
table->key_info[keys].key_part[cur_kp] = *kpi;
table->key_info[keys].actual_key_parts++;
}
table->key_info[keys].user_defined_key_parts =
table->key_info[keys].actual_key_parts;
real_keynr[keys] = keys;
keys++;
}
void add_key(Field *field_to_index) {
List<Field> index_list;
index_list.push_back(field_to_index);
add_key(index_list);
}
void add_key(Field *field_to_index1, Field *field_to_index2) {
List<Field> index_list;
index_list.push_back(field_to_index1);
index_list.push_back(field_to_index2);
add_key(index_list);
}
/// Creates an index over all columns in the RANGE_OPT_PARAM's table.
void add_key() {
List<Field> index_list;
for (uint i = 0; i < table->s->fields; ++i)
index_list.push_back(table->field[i]);
add_key(index_list);
}
~Fake_RANGE_OPT_PARAM() {
for (uint i = 0; i < keys; i++) {
table->key_info[i].actual_key_parts = 0;
table->key_info[i].user_defined_key_parts = 0;
}
}
};
#endif // FAKE_RANGE_OPT_PARAM
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