diff options
Diffstat (limited to 'src/sql/doc/snippets/code/src_sql_kernel_qsqldriver.cpp')
-rw-r--r-- | src/sql/doc/snippets/code/src_sql_kernel_qsqldriver.cpp | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/sql/doc/snippets/code/src_sql_kernel_qsqldriver.cpp b/src/sql/doc/snippets/code/src_sql_kernel_qsqldriver.cpp index a13cf86d3f..47e8701149 100644 --- a/src/sql/doc/snippets/code/src_sql_kernel_qsqldriver.cpp +++ b/src/sql/doc/snippets/code/src_sql_kernel_qsqldriver.cpp @@ -47,28 +47,42 @@ ** $QT_END_LICENSE$ ** ****************************************************************************/ +#include <QSqlDatabase> +#include <QSqlQuery> +#include <QSqlDriver> +#include <QVariant> +void checkHandle() +{ +//dummy definitions +typedef void sqlite3; +typedef void PGconn; +typedef void MYSQL; //! [0] -QSqlDatabase db = ...; +QSqlDatabase db = QSqlDatabase::database(); QVariant v = db.driver()->handle(); -if (v.isValid() && qstrcmp(v.typeName(), "sqlite3*") == 0) { +if (v.isValid() && (qstrcmp(v.typeName(), "sqlite3*") == 0)) { // v.data() returns a pointer to the handle sqlite3 *handle = *static_cast<sqlite3 **>(v.data()); if (handle) { - ... + // ... } } //! [0] - //! [1] if (qstrcmp(v.typeName(), "PGconn*") == 0) { PGconn *handle = *static_cast<PGconn **>(v.data()); - if (handle) ... + if (handle) { + // ... + } } if (qstrcmp(v.typeName(), "MYSQL*") == 0) { MYSQL *handle = *static_cast<MYSQL **>(v.data()); - if (handle) ... + if (handle) { + // ... + } } //! [1] +} |