Current File : //usr/include/mysql/server/private/field_comp.h
#ifndef FIELD_COMP_H_INCLUDED
#define FIELD_COMP_H_INCLUDED
/* Copyright (C) 2017 MariaDB Foundation
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 St, Fifth Floor, Boston, MA 02110-1301 USA */
#define MAX_COMPRESSION_METHODS 16
struct Compression_method
{
const char *name;
uint (*compress)(THD *thd, char *to, const char *from, uint length);
int (*uncompress)(String *to, const uchar *from, uint from_length,
uint field_length);
};
extern Compression_method compression_methods[MAX_COMPRESSION_METHODS];
#define zlib_compression_method (&compression_methods[8])
#endif
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