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Diffstat (limited to 'sql/filesort.h')
-rw-r--r-- | sql/filesort.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sql/filesort.h b/sql/filesort.h new file mode 100644 index 00000000000..c1a101cc1e8 --- /dev/null +++ b/sql/filesort.h @@ -0,0 +1,36 @@ +/* Copyright 2006-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc. + + 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 */ + +#ifndef FILESORT_INCLUDED +#define FILESORT_INCLUDED + +class SQL_SELECT; + +#include "my_global.h" /* uint, uchar */ +#include "my_base.h" /* ha_rows */ + +class SQL_SELECT; +class THD; +struct TABLE; +typedef struct st_sort_field SORT_FIELD; + +ha_rows filesort(THD *thd, TABLE *table, st_sort_field *sortorder, + uint s_length, SQL_SELECT *select, + ha_rows max_rows, bool sort_positions, + ha_rows *examined_rows); +void filesort_free_buffers(TABLE *table, bool full); +void change_double_for_sort(double nr,uchar *to); + +#endif /* FILESORT_INCLUDED */ |