SQL/ODBC: Fix calling SQLGetData() for old drivers

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Some old drivers don't return SQL_NO_DATA when all data was fetched
which resulted in an infinite loop. The previous check does not work
when we receive chunked data and the driver returns fewer bytes than the
maximum buffer size.
Therefore simply check for SQL_SUCCESS since according the msdn docs,
SQL_SUCCESS_WITH_INFO must be returned when there is more data to fetch.
This also avoids an additional call to SQLGetData() here.

Pick-to: 6.8 6.7 6.5
Fixes: QTBUG-119753
Change-Id: I42ed194f3955a650e63615615fe82d785f324228
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

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This commit is contained in:

Christian Ehrlicher 2024-08-03 11:09:18 +02:00

parent 4409edc14b

commit df76edb9f1

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