Initial import of statemachine branch from the old kinetic repository

1 files changed, 24 insertions, 0 deletions

diff --git a/doc/src/snippets/code/src_sql_kernel_qsqldriver.cpp b/doc/src/snippets/code/src_sql_kernel_qsqldriver.cpp
new file mode 100644
index 0000000..d5992c3
--- /dev/null
+++ b/doc/src/snippets/code/src_sql_kernel_qsqldriver.cpp
@@ -0,0 +1,24 @@
+//! [0]
+QSqlDatabase db = ...;
+QVariant v = db.driver()->handle();
+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) { // check that it is not NULL
+        ...
+    }
+}
+//! [0]
+
+
+//! [1]
+if (v.typeName() == "PGconn*") {
+    PGconn *handle = *static_cast<PGconn **>(v.data());
+    if (handle != 0) ...
+}
+
+if (v.typeName() == "MYSQL*") {
+    MYSQL *handle = *static_cast<MYSQL **>(v.data());
+    if (handle != 0) ...
+}
+//! [1]