QSqlDriver/doc: Add a note about features depending on the db server

Some features are server-dependent and therefore an open db connection is needed to make sure that the feature is available. Pick-to: 6.8 6.7 6.5 Fixes: QTBUG-10016 Change-Id: Ia9a117a64ba5fe7cdd69bf95a41cfc301ab5fd94 Reviewed-by: Axel Spoerl <[email protected]>
HoBoIs · Jul 22, 2024 · 139b877 · 139b877
1 parent 235bb09
commit 139b877
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/sql/kernel/qsqldriver.cpp b/src/sql/kernel/qsqldriver.cpp
@@ -138,7 +138,9 @@ bool QSqlDriver::isOpenError() const
     \enum QSqlDriver::DriverFeature
 
     This enum contains a list of features a driver might support. Use
-    hasFeature() to query whether a feature is supported or not.
+    hasFeature() to query whether a feature is supported or not. Some features
+    depend on the database server so they can only properly determined after
+    the database connection is successfully opened with QSqlDatabase::open().
 
     \value Transactions  Whether the driver supports SQL transactions.
     \value QuerySize  Whether the database is capable of reporting the size