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/*
Copyright (c) 2023, MariaDB Corporation.
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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifdef USE_PRAGMA_IMPLEMENTATION
#pragma implementation // gcc: Class implementation
#endif
#include "mariadb.h"
#include "sql_priv.h"
#include "sql_select.h"
Charset_utf8narrow utf8mb3_from_mb4;
bool Utf8_narrow::should_do_narrowing(const THD *thd,
CHARSET_INFO *field_cset,
CHARSET_INFO *value_cset)
{
return optimizer_flag(thd, OPTIMIZER_SWITCH_CSET_NARROWING) &&
field_cset == &my_charset_utf8mb3_general_ci &&
value_cset == &my_charset_utf8mb4_general_ci;
}
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