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<a href="intro.html"><h2>SQLite C Interface</h2></a><h2>Last Insert Rowid</h2><blockquote><pre>sqlite3_int64 sqlite3_last_insert_rowid(sqlite3*);
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</pre></blockquote><p>
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Each entry in an SQLite table has a unique 64-bit signed
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integer key called the <a href="../lang_createtable.html#rowid">"rowid"</a>. The rowid is always available
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as an undeclared column named ROWID, OID, or _ROWID_ as long as those
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names are not also used by explicitly declared columns. If
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the table has a column of type <a href="../lang_createtable.html#rowid">INTEGER PRIMARY KEY</a> then that column
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is another alias for the rowid.</p>
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<p>This routine returns the <a href="../lang_createtable.html#rowid">rowid</a> of the most recent
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successful <a href="../lang_insert.html">INSERT</a> into the database from the <a href="../c3ref/sqlite3.html">database connection</a>
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in the first argument. As of SQLite version 3.7.7, this routines
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records the last insert rowid of both ordinary tables and <a href="../vtab.html">virtual tables</a>.
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If no successful <a href="../lang_insert.html">INSERT</a>s
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have ever occurred on that database connection, zero is returned.</p>
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<p>If an <a href="../lang_insert.html">INSERT</a> occurs within a trigger or within a <a href="../vtab.html">virtual table</a>
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method, then this routine will return the <a href="../lang_createtable.html#rowid">rowid</a> of the inserted
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row as long as the trigger or virtual table method is running.
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But once the trigger or virtual table method ends, the value returned
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by this routine reverts to what it was before the trigger or virtual
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table method began.</p>
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<p>An <a href="../lang_insert.html">INSERT</a> that fails due to a constraint violation is not a
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successful <a href="../lang_insert.html">INSERT</a> and does not change the value returned by this
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routine. Thus INSERT OR FAIL, INSERT OR IGNORE, INSERT OR ROLLBACK,
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and INSERT OR ABORT make no changes to the return value of this
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routine when their insertion fails. When INSERT OR REPLACE
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encounters a constraint violation, it does not fail. The
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INSERT continues to completion after deleting rows that caused
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the constraint problem so INSERT OR REPLACE will always change
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the return value of this interface.</p>
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<p>For the purposes of this routine, an <a href="../lang_insert.html">INSERT</a> is considered to
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be successful even if it is subsequently rolled back.</p>
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<p>This function is accessible to SQL statements via the
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<a href="../lang_corefunc.html#last_insert_rowid">last_insert_rowid() SQL function</a>.</p>
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<p>If a separate thread performs a new <a href="../lang_insert.html">INSERT</a> on the same
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database connection while the <a href="../c3ref/last_insert_rowid.html">sqlite3_last_insert_rowid()</a>
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function is running and thus changes the last insert <a href="../lang_createtable.html#rowid">rowid</a>,
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then the value returned by <a href="../c3ref/last_insert_rowid.html">sqlite3_last_insert_rowid()</a> is
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unpredictable and might not equal either the old or the new
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last insert <a href="../lang_createtable.html#rowid">rowid</a>.
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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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