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COPY INTO crashes if table has primary key or foreign key constraint #6404

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

COPY INTO crashes if table has primary key or foreign key constraint #6404

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

Date: 2017-09-10 12:30:57 +0200
From: Trung Le <>
To: SQL devs <>
Version: 11.27.5 (Jul2017-SP1)
CC: @njnes

Last updated: 2017-10-26 14:01:39 +0200

Comment 25621

Date: 2017-09-10 12:30:57 +0200
From: Trung Le <>

User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0
Build Identifier:

When I use COPY INTO feature to import data for a table that has primary key or foreign key constraint, the monetdb db crashes. I expect the case should work or return an not-supported message.

Reproducible: Always

If it is not supported, monetdb should response such information instead of crash.

Comment 25623

Date: 2017-09-11 10:00:45 +0200
From: @sjoerdmullender

Can you give an example for this problem, please?

Comment 25624

Date: 2017-09-11 10:17:25 +0200
From: @kutsurak

Created attachment 567
COPY INTO crash reproduction

I am attaching a minimal example that reproduces the problem for me.

As far as I can tell it crashes if the table has a primary key constraint AND we are not loading all the columns.

Panos.

Attached file: copy_into_crash.sql (application/sql, 112 bytes)
Description: COPY INTO crash reproduction

Comment 25639

Date: 2017-09-17 10:16:02 +0200
From: @njnes

non of the input columns were used and the table code requires atleast one
valid output bat. We now give an error in this case.

Comment 25643

Date: 2017-09-17 18:02:24 +0200
From: MonetDB Mercurial Repository <>

Changeset 261a59262ad6 made by Niels Nes niels@cwi.nl in the MonetDB repo, refers to this bug.

For complete details, see https//devmonetdborg/hg/MonetDB?cmd=changeset;node=261a59262ad6

Changeset description:

add test and output for bug #6404

Comment 25644

Date: 2017-09-17 18:03:59 +0200
From: MonetDB Mercurial Repository <>

Changeset d1128cc44188 made by Niels Nes niels@cwi.nl in the MonetDB repo, refers to this bug.

For complete details, see https//devmonetdborg/hg/MonetDB?cmd=changeset;node=d1128cc44188

Changeset description:

make sure we reference expressions in a copy into statement (with column list).
This solves bug #6404.
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