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| author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 10:18:55 +0100 |
|---|---|---|
| committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 10:18:55 +0100 |
| commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
| tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /doc/src/snippets/code/src_sql_kernel_qsqldriver.cpp | |
| download | qt4-tools-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz | |
Long live Qt 4.5!
Diffstat (limited to 'doc/src/snippets/code/src_sql_kernel_qsqldriver.cpp')
| -rw-r--r-- | doc/src/snippets/code/src_sql_kernel_qsqldriver.cpp | 24 |
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 0000000000..d5992c3b92 --- /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] |