Corrected order of pre-use execution steps.

src/core/statement.cpp

@@ -285,6 +285,11 @@ bool statement_impl::execute(bool withDataExchange)
 
     fetchSize_ = initialFetchSize_;
 
+    // pre-use should be executed before inspecting the sizes of use
+    // elements, as they can be resized in type conversion routines
+
+    pre_use();
+
     std::size_t bindSize = uses_size();
 
     if (bindSize > 1 && fetchSize_ > 1)
@@ -293,8 +298,6 @@ bool statement_impl::execute(bool withDataExchange)
              "Bulk insert/update and bulk select not allowed in same query");
     }
 
-    pre_use();
-
     // looks like a hack and it is - row description should happen
     // *after* the use elements were completely prepared
     // and *before* the into elements are touched, so that the row