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

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Some features are server-dependent and therefore an open db connection
is needed to make sure that the feature is available.

Pick-to: 6.7 6.5
Fixes: QTBUG-10016
Change-Id: Ia9a117a64ba5fe7cdd69bf95a41cfc301ab5fd94
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
(cherry picked from commit 139b8779469244dd1aa226dd3222e6e4aeb2c932)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Christian Ehrlicher 2024-07-21 18:56:39 +02:00 committed by Qt Cherry-pick Bot
parent 205e3a8dc8
commit f9d6c8b14c
1 changed files with 3 additions and 1 deletions
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4
src/sql/kernel/qsqldriver.cpp
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@ -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