132 lines
4.7 KiB
HTML
132 lines
4.7 KiB
HTML
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<title>Return The Filename For A Database Connection</title>
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<!-- keywords: sqlite3_db_filename -->
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<a href="intro.html"><h2>SQLite C Interface</h2></a>
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<h2>Return The Filename For A Database Connection</h2>
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</div>
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<blockquote><pre>
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const char *sqlite3_db_filename(sqlite3 *db, const char *zDbName);
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</pre></blockquote>
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<p>
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The sqlite3_db_filename(D,N) interface returns a pointer to the filename
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associated with database N of connection D.
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If there is no attached database N on the database
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connection D, or if database N is a temporary or in-memory database, then
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this function will return either a NULL pointer or an empty string.</p>
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<p>The string value returned by this routine is owned and managed by
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the database connection. The value will be valid until the database N
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is <a href="../lang_detach.html">DETACH</a>-ed or until the database connection closes.</p>
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<p>The filename returned by this function is the output of the
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xFullPathname method of the <a href="../vfs.html">VFS</a>. In other words, the filename
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will be an absolute pathname, even if the filename used
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to open the database originally was a URI or relative pathname.</p>
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<p>If the filename pointer returned by this routine is not NULL, then it
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can be used as the filename input parameter to these routines:
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<ul>
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<li> <a href="../c3ref/uri_boolean.html">sqlite3_uri_parameter()</a>
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<li> <a href="../c3ref/uri_boolean.html">sqlite3_uri_boolean()</a>
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<li> <a href="../c3ref/uri_boolean.html">sqlite3_uri_int64()</a>
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<li> <a href="../c3ref/filename_database.html">sqlite3_filename_database()</a>
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<li> <a href="../c3ref/filename_database.html">sqlite3_filename_journal()</a>
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<li> <a href="../c3ref/filename_database.html">sqlite3_filename_wal()</a>
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</ul>
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</p><p>See also lists of
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<a href="objlist.html">Objects</a>,
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<a href="constlist.html">Constants</a>, and
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<a href="funclist.html">Functions</a>.</p>
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