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+<!-- keywords: sqlite3_column_database_name sqlite3_column_database_name16 sqlite3_column_origin_name sqlite3_column_origin_name16 sqlite3_column_table_name sqlite3_column_table_name16 -->
+<div class=nosearch>
+<a href="../c3ref/intro.html"><h2>SQLite C Interface</h2></a>
+<h2>Source Of Data In A Query Result</h2>
+</div>
+<blockquote><pre>
+const char *sqlite3_column_database_name(sqlite3_stmt*,int);
+const void *sqlite3_column_database_name16(sqlite3_stmt*,int);
+const char *sqlite3_column_table_name(sqlite3_stmt*,int);
+const void *sqlite3_column_table_name16(sqlite3_stmt*,int);
+const char *sqlite3_column_origin_name(sqlite3_stmt*,int);
+const void *sqlite3_column_origin_name16(sqlite3_stmt*,int);
+</pre></blockquote>
+<p>
+These routines provide a means to determine the database, table, and
+table column that is the origin of a particular result column in
+<a href="../lang_select.html">SELECT</a> statement.
+The name of the database or table or column can be returned as
+either a UTF-8 or UTF-16 string.  The _database_ routines return
+the database name, the _table_ routines return the table name, and
+the origin_ routines return the column name.
+The returned string is valid until the <a href="../c3ref/stmt.html">prepared statement</a> is destroyed
+using <a href="../c3ref/finalize.html">sqlite3_finalize()</a> or until the statement is automatically
+reprepared by the first call to <a href="../c3ref/step.html">sqlite3_step()</a> for a particular run
+or until the same information is requested
+again in a different encoding.</p>
+
+<p>The names returned are the original un-aliased names of the
+database, table, and column.</p>
+
+<p>The first argument to these interfaces is a <a href="../c3ref/stmt.html">prepared statement</a>.
+These functions return information about the Nth result column returned by
+the statement, where N is the second function argument.
+The left-most column is column 0 for these routines.</p>
+
+<p>If the Nth column returned by the statement is an expression or
+subquery and is not a column value, then all of these functions return
+NULL.  These routines might also return NULL if a memory allocation error
+occurs.  Otherwise, they return the name of the attached database, table,
+or column that query result column was extracted from.</p>
+
+<p>As with all other SQLite APIs, those whose names end with "16" return
+UTF-16 encoded strings and the other functions return UTF-8.</p>
+
+<p>These APIs are only available if the library was compiled with the
+<a href="../compile.html#enable_column_metadata">SQLITE_ENABLE_COLUMN_METADATA</a> C-preprocessor symbol.</p>
+
+<p>If two or more threads call one or more
+<a href="../c3ref/column_database_name.html">column metadata interfaces</a>
+for the same <a href="../c3ref/stmt.html">prepared statement</a> and result column
+at the same time then the results are undefined.
+</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>
+