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<!-- keywords: SQLITE_OPEN_AUTOPROXY SQLITE_OPEN_CREATE SQLITE_OPEN_DELETEONCLOSE SQLITE_OPEN_EXCLUSIVE SQLITE_OPEN_EXRESCODE SQLITE_OPEN_FULLMUTEX SQLITE_OPEN_MAIN_DB SQLITE_OPEN_MAIN_JOURNAL SQLITE_OPEN_MEMORY SQLITE_OPEN_NOFOLLOW SQLITE_OPEN_NOMUTEX SQLITE_OPEN_PRIVATECACHE SQLITE_OPEN_READONLY SQLITE_OPEN_READWRITE SQLITE_OPEN_SHAREDCACHE SQLITE_OPEN_SUBJOURNAL SQLITE_OPEN_SUPER_JOURNAL SQLITE_OPEN_TEMP_DB SQLITE_OPEN_TEMP_JOURNAL SQLITE_OPEN_TRANSIENT_DB SQLITE_OPEN_URI SQLITE_OPEN_WAL -->
<div class=nosearch>
<a href="../c3ref/intro.html"><h2>SQLite C Interface</h2></a>
<h2>Flags For File Open Operations</h2>
</div>
<blockquote><pre>
#define SQLITE_OPEN_READONLY 0x00000001 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_READWRITE 0x00000002 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_CREATE 0x00000004 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_DELETEONCLOSE 0x00000008 /* VFS only */
#define SQLITE_OPEN_EXCLUSIVE 0x00000010 /* VFS only */
#define SQLITE_OPEN_AUTOPROXY 0x00000020 /* VFS only */
#define SQLITE_OPEN_URI 0x00000040 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_MEMORY 0x00000080 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_MAIN_DB 0x00000100 /* VFS only */
#define SQLITE_OPEN_TEMP_DB 0x00000200 /* VFS only */
#define SQLITE_OPEN_TRANSIENT_DB 0x00000400 /* VFS only */
#define SQLITE_OPEN_MAIN_JOURNAL 0x00000800 /* VFS only */
#define SQLITE_OPEN_TEMP_JOURNAL 0x00001000 /* VFS only */
#define SQLITE_OPEN_SUBJOURNAL 0x00002000 /* VFS only */
#define SQLITE_OPEN_SUPER_JOURNAL 0x00004000 /* VFS only */
#define SQLITE_OPEN_NOMUTEX 0x00008000 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_FULLMUTEX 0x00010000 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_SHAREDCACHE 0x00020000 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_PRIVATECACHE 0x00040000 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_WAL 0x00080000 /* VFS only */
#define SQLITE_OPEN_NOFOLLOW 0x01000000 /* Ok for sqlite3_open_v2() */
#define SQLITE_OPEN_EXRESCODE 0x02000000 /* Extended result codes */
</pre></blockquote>
<p>
These bit values are intended for use in the
3rd parameter to the <a href="../c3ref/open.html">sqlite3_open_v2()</a> interface and
in the 4th parameter to the <a href="../c3ref/vfs.html#sqlite3vfsxopen">sqlite3_vfs.xOpen</a> method.</p>
<p>Only those flags marked as "Ok for sqlite3_open_v2()" may be
used as the third argument to the <a href="../c3ref/open.html">sqlite3_open_v2()</a> interface.
The other flags have historically been ignored by sqlite3_open_v2(),
though future versions of SQLite might change so that an error is
raised if any of the disallowed bits are passed into sqlite3_open_v2().
Applications should not depend on the historical behavior.</p>
<p>Note in particular that passing the SQLITE_OPEN_EXCLUSIVE flag into
<a href="../c3ref/open.html">sqlite3_open_v2()</a> does *not* cause the underlying database file
to be opened using O_EXCL. Passing SQLITE_OPEN_EXCLUSIVE into
<a href="../c3ref/open.html">sqlite3_open_v2()</a> has historically be a no-op and might become an
error in future versions of SQLite.
</p><p>See also lists of
<a href="../c3ref/objlist.html">Objects</a>,
<a href="../c3ref/constlist.html">Constants</a>, and
<a href="../c3ref/funclist.html">Functions</a>.</p>
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