| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Problem with TOAST column corruption |
| Date: | 2001-12-27 15:26:40 |
| Message-ID: | 24524.1009466800@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> I have a /data directory from someone running 7.1.3 and they are seeing
> data corruption on a table using TOAST columns.
What is the complete schema of the table? Could we see a dump of the
entire tuple not just the parts that the system thinks are toasted
fields?
Neither value looks plausible at all as a toasted datum, so I am
wondering if there is corruption of earlier columns in the row,
leading to an alignment problem (ie, length of some earlier varlena
item was misdetermined).
regards, tom lane
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