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-rw-r--r--odb/sqlite/statement.cxx7
1 files changed, 7 insertions, 0 deletions
diff --git a/odb/sqlite/statement.cxx b/odb/sqlite/statement.cxx
index 6417b3a..9071f68 100644
--- a/odb/sqlite/statement.cxx
+++ b/odb/sqlite/statement.cxx
@@ -114,6 +114,13 @@ namespace odb
bool statement::
bind_result (const bind* p, size_t n, bool truncated)
{
+ // Make sure that the number of columns in the result returned by
+ // the database matches the number that we expect. A common cause
+ // of this assertion is a native view with a number of data members
+ // not matching the number of columns in the SELECT-list.
+ //
+ assert (static_cast<size_t> (sqlite3_data_count (stmt_)) == n);
+
bool r (true);
for (size_t i (0); i < n; ++i)