diff options
Diffstat (limited to 'src/plugins/sqldrivers/odbc/qsql_odbc.cpp')
| -rw-r--r-- | src/plugins/sqldrivers/odbc/qsql_odbc.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp index c2252c3f778..bcd8a72e28e 100644 --- a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp +++ b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp @@ -2050,7 +2050,18 @@ void QODBCDriverPrivate::checkUnicode() hDbc, &hStmt); - r = SQLExecDirect(hStmt, toSQLTCHAR("select 'test'"_L1).data(), SQL_NTS); + // for databases which do not return something useful in SQLGetInfo and are picky about a + // 'SELECT' statement without 'FROM' but support VALUE(foo) statement like e.g. DB2 or Oracle + const auto statements = { + "select 'test'"_L1, + "values('test')"_L1, + "select 'test' from dual"_L1, + }; + for (const auto &statement : statements) { + r = SQLExecDirect(hStmt, toSQLTCHAR(statement).data(), SQL_NTS); + if (r == SQL_SUCCESS) + break; + } if (r == SQL_SUCCESS) { r = SQLFetch(hStmt); if (r == SQL_SUCCESS) { |