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COPY INTO FROM 'file.xz' does not work #6713

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monetdb-team opened this issue Nov 30, 2020 · 0 comments
Closed

COPY INTO FROM 'file.xz' does not work #6713

monetdb-team opened this issue Nov 30, 2020 · 0 comments

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@monetdb-team monetdb-team commented Nov 30, 2020

Date: 2019-06-11 15:29:40 +0200
From: @joerivanruth
To: SQL devs <>
Version: 11.33.3 (Apr2019)

Last updated: 2019-09-02 16:05:28 +0200

Comment 27049

Date: 2019-06-11 15:29:40 +0200
From: @joerivanruth

There is no error message but it simply doesn't load any rows.

Attached a script to reproduce.

Comment 27050

Date: 2019-06-11 15:33:26 +0200
From: MonetDB Mercurial Repository <>

Changeset 8d2869a2203b made by Joeri van Ruth joeri.van.ruth@monetdbsolutions.com in the MonetDB repo, refers to this bug.

For complete details, see https//devmonetdborg/hg/MonetDB?cmd=changeset;node=8d2869a2203b

Changeset description:

Fix Bug #6713 COPY INTO FROM 'file.xz' does not work

This happened when reading in ascii mode, for example
a csv file. The problem was that after checking for
a Byte Order Marker it tried to rewind the stream
but failed to reset one field of the xz_stream struct.

Comment 27051

Date: 2019-06-11 15:35:08 +0200
From: @joerivanruth

Created attachment 618
scripts to reproduce

File script.sql contains a hardcoded absolute path.
Update it before running.

Attached file: 6713.tar.gz (application/x-gzip, 2220 bytes)
Description: scripts to reproduce

Comment 27052

Date: 2019-06-11 15:35:47 +0200
From: @joerivanruth

Fixed in commit 8d2869a2203b

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