mirror of https://github.com/MidnightCommander/mc
ebbdc8847e
...to prevent leaving wal/shm files after viewing sqlite database.
The problem I often had with viewing .sqlite files with mc is that
exiting the view mode mid-way may leave .wal/.shm files in the database
directory.
This never caused any actual issues, but a bit annoying, since leftover
.wal files are often a sign that the program working with the database
exited ungracefully.
This effectively reproduces mc's behaviour:
/tmp/testsqlite $ rm -f *-wal *-shm && sqlite3 "/tmp/testsqlite/db file.sqlite" .dump | head >/dev/null && ls -1 /tmp/testsqlite/
'db file.sqlite'
'db file.sqlite-shm'
'db file.sqlite-wal'
After the change -- no shm/wal files
/tmp/testsqlite $ rm -f *-wal *-shm && sqlite3 "file:/tmp/testsqlite/db file.sqlite?immutable=1" .dump | head >/dev/null && ls -1 /tmp/testsqlite/
'db file.sqlite'
You can find the docs on immutable mode here:
https://www.sqlite.org/uri.html#uriimmutable
Immutable mode has been supported in sqlite since 2014:
https://www.sqlite.org/changes.html#version_3_8_5
In case user's sqlite installation is older, the mode is just quietly
ignored, so the change is backwards compatible.
Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
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| .. | ||
| ext.d | ||
| macros.d | ||
| skins | ||
| syntax | ||
| .gitignore | ||
| Makefile.am | ||
| edit.indent.rc | ||
| filehighlight.ini | ||
| mc.charsets.in | ||
| mc.default.keymap | ||
| mc.emacs.keymap | ||
| mc.ext.in | ||
| mc.keymap | ||
| mc.lib | ||
| mc.macros | ||
| mc.menu.in | ||
| mcedit.menu.in | ||
| xterm.ad | ||