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+<!-- keywords: sqlite3_column_decltype sqlite3_column_decltype16 -->
+<div class=nosearch>
+<a href="../c3ref/intro.html"><h2>SQLite C Interface</h2></a>
+<h2>Declared Datatype Of A Query Result</h2>
+</div>
+<blockquote><pre>
+const char *sqlite3_column_decltype(sqlite3_stmt*,int);
+const void *sqlite3_column_decltype16(sqlite3_stmt*,int);
+</pre></blockquote>
+<p>
+The first parameter is a <a href="../c3ref/stmt.html">prepared statement</a>.
+If this statement is a <a href="../lang_select.html">SELECT</a> statement and the Nth column of the
+returned result set of that <a href="../lang_select.html">SELECT</a> is a table column (not an
+expression or subquery) then the declared type of the table
+column is returned.  If the Nth column of the result set is an
+expression or subquery, then a NULL pointer is returned.
+The returned string is always UTF-8 encoded.</p>
+
+<p>For example, given the database schema:</p>
+
+<p>CREATE TABLE t1(c1 VARIANT);</p>
+
+<p>and the following statement to be compiled:</p>
+
+<p>SELECT c1 + 1, c1 FROM t1;</p>
+
+<p>this routine would return the string "VARIANT" for the second result
+column (i==1), and a NULL pointer for the first result column (i==0).</p>
+
+<p>SQLite uses dynamic run-time typing.  So just because a column
+is declared to contain a particular type does not mean that the
+data stored in that column is of the declared type.  SQLite is
+strongly typed, but the typing is dynamic not static.  Type
+is associated with individual values, not with the containers
+used to hold those values.
+</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>
+