diff options
Diffstat (limited to 'src/sql/drivers/odbc/qsql_odbc.cpp')
| -rw-r--r-- | src/sql/drivers/odbc/qsql_odbc.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/sql/drivers/odbc/qsql_odbc.cpp b/src/sql/drivers/odbc/qsql_odbc.cpp index d9b31c7702..9462df8f97 100644 --- a/src/sql/drivers/odbc/qsql_odbc.cpp +++ b/src/sql/drivers/odbc/qsql_odbc.cpp @@ -393,10 +393,20 @@ static QString qGetStringData(SQLHANDLE hStmt, int column, int colSize, bool uni colSize*sizeof(SQLTCHAR), &lengthIndicator); if (r == SQL_SUCCESS || r == SQL_SUCCESS_WITH_INFO) { - if (lengthIndicator == SQL_NULL_DATA || lengthIndicator == SQL_NO_TOTAL) { + if (lengthIndicator == SQL_NULL_DATA) { fieldVal.clear(); break; } + // starting with ODBC Native Client 2012, SQL_NO_TOTAL is returned + // instead of the length (which sometimes was wrong in older versions) + // see link for more info: http://msdn.microsoft.com/en-us/library/jj219209.aspx + // if length indicator equals SQL_NO_TOTAL, indicating that + // more data can be fetched, but size not known, collect data + // and fetch next block + if (lengthIndicator == SQL_NO_TOTAL) { + fieldVal += fromSQLTCHAR(buf, colSize); + continue; + } // if SQL_SUCCESS_WITH_INFO is returned, indicating that // more data can be fetched, the length indicator does NOT // contain the number of bytes returned - it contains the |