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31 lines
1.2 KiB
C++
31 lines
1.2 KiB
C++
/*
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Copyright (c) 2023, MariaDB Corporation.
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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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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 Street, Fifth Floor, Boston, MA 02110-1335 USA */
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#include "mariadb.h"
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#include "sql_priv.h"
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#include "sql_select.h"
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Charset_utf8narrow utf8mb3_from_mb4;
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bool Utf8_narrow::should_do_narrowing(const THD *thd,
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CHARSET_INFO *field_cset,
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CHARSET_INFO *value_cset)
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{
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return optimizer_flag(thd, OPTIMIZER_SWITCH_CSET_NARROWING) &&
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field_cset == &my_charset_utf8mb3_general_ci &&
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value_cset == &my_charset_utf8mb4_general_ci;
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}
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