diff options
| author | Christian Ehrlicher <ch.ehrlicher@gmx.de> | 2018-08-23 20:58:31 +0200 |
|---|---|---|
| committer | Christian Ehrlicher <ch.ehrlicher@gmx.de> | 2018-08-28 16:10:47 +0000 |
| commit | ee5573c6fb49d0b496b19d154e2e1c5154ed5a44 (patch) | |
| tree | a6f28cf45814a5bb06edfa41c3340f8fae78a195 /src | |
| parent | d18444fbfffbb01a9eb2d84454e55c231fe0a36f (diff) | |
QSqlQuery: Specify documentation of named placeholders
Named placeholders can only contain characters in the range of
[a-zA-Z0-9_] but this was not documented anywhere.
Task-number: QTBUG-69775
Change-Id: I5c4eff7674b1fc04cef60e7d7f44cd87414ffbe9
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Andy Shaw <andy.shaw@qt.io>
Diffstat (limited to 'src')
| -rw-r--r-- | src/sql/kernel/qsqlquery.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/sql/kernel/qsqlquery.cpp b/src/sql/kernel/qsqlquery.cpp index 628bfa1880..daadcb8a0e 100644 --- a/src/sql/kernel/qsqlquery.cpp +++ b/src/sql/kernel/qsqlquery.cpp @@ -942,10 +942,12 @@ void QSqlQuery::clear() query. See the \l{QSqlQuery examples}{Detailed Description} for examples. - Portability note: Some databases choose to delay preparing a query + Portability notes: Some databases choose to delay preparing a query until it is executed the first time. In this case, preparing a syntactically wrong query succeeds, but every consecutive exec() will fail. + When the database does not support named placeholders directly, + the placeholder can only contain characters in the range [a-zA-Z0-9_]. For SQLite, the query string can contain only one statement at a time. If more than one statement is given, the function returns \c false. |