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Code Issues

Fixed CORE-3806: Wrong data returned if a sub-query or a computed field refers to the base table in the ORDER BY clause.

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This commit is contained in:
dimitr 2012-04-02 15:25:36 +00:00
parent b0749faa08
commit fe01201cd4
1 changed files with 5 additions and 2 deletions
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7
src/jrd/recsrc/SortedStream.cpp
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@ -268,7 +268,7 @@ Sort* SortedStream::init(thread_db* tdbb) const
scb->sort(tdbb);
// For the sake of prudence, set all record parameter blocks to contain
// the most recent format. This will guarentee that all fields mapped
// the most recent format. This will guarantee that all fields mapped
// back to records by get_sort() have homes in the target record.
if (records)
@ -287,7 +287,10 @@ Sort* SortedStream::init(thread_db* tdbb) const
stream = item->stream;
record_param* const rpb = &request->req_rpb[stream];
if (rpb->rpb_relation)
// dimitr: I've added the check for !isValid to ensure that we don't overwrite
// the format for an active rpb (i.e. the one having some record fetched).
// See CORE-3806 for example.
if (rpb->rpb_relation && !rpb->rpb_number.isValid())
VIO_record(tdbb, rpb, MET_current(tdbb, rpb->rpb_relation), tdbb->getDefaultPool());
}
}