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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
commita175314c3e5827eb193872241446f2f8f5c9d33c (patch)
treecd3d60ca99ae00829c52a6ca79150a5b6e62528b /storage/csv/transparent_file.h
parentInitial commit. (diff)
downloadmariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.tar.xz
mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.zip
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/csv/transparent_file.h')
-rw-r--r--storage/csv/transparent_file.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/storage/csv/transparent_file.h b/storage/csv/transparent_file.h
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+/* Copyright (c) 2003, 2007 MySQL AB, 2009 Sun Microsystems, Inc.
+ Use is subject to license terms.
+
+ 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 02110-1335 USA */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <my_dir.h>
+
+extern PSI_memory_key csv_key_memory_Transparent_file;
+
+class Transparent_file
+{
+ File filedes;
+ uchar *buff; /* in-memory window to the file or mmaped area */
+ /* current window sizes */
+ my_off_t lower_bound;
+ my_off_t upper_bound;
+ uint buff_size;
+
+public:
+
+ Transparent_file();
+ ~Transparent_file();
+
+ void init_buff(File filedes_arg);
+ uchar *ptr();
+ my_off_t start();
+ my_off_t end();
+ char get_value (my_off_t offset);
+ my_off_t read_next();
+};