| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Michael Paquier <michael(at)paquier(dot)xyz> |
| Cc: | gkokolatos(at)pm(dot)me, Andrew Dunstan <andrew(at)dunslane(dot)net>, Alexander Lakhin <exclusion(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, shiy(dot)fnst(at)fujitsu(dot)com, pgsql-hackers(at)lists(dot)postgresql(dot)org, Rachel Heaton <rachelmheaton(at)gmail(dot)com> |
| Subject: | Re: Add LZ4 compression in pg_dump |
| Date: | 2023-05-08 01:09:25 |
| Message-ID: | 219662.1683508165@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Michael Paquier <michael(at)paquier(dot)xyz> writes:
> While testing this patch, I have triggered an error pointing out that
> the decompression path of LZ4 is broken for table data. I can
> reproduce that with a dump of the regression database, as of:
> make installcheck
> pg_dump --format=d --file=dump_lz4 --compress=lz4 regression
> createdb regress_lz4
> pg_restore --format=d -d regress_lz4 dump_lz4
> pg_restore: error: COPY failed for table "clstr_tst": ERROR: extra data after last expected column
> CONTEXT: COPY clstr_tst, line 15: "32 6 seis xyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzyxyzzy..."
> pg_restore: warning: errors ignored on restore: 1
Ugh. Reproduced here ... so we need an open item for this.
regards, tom lane
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