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Copy into should rollback correctly (i.e. restore the files) on a failure #2810

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monetdb-team opened this issue Nov 30, 2020 · 0 comments
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bug Something isn't working normal SQL

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Date: 2011-05-13 20:52:57 +0200
From: Holger <<holger.pirk>>
To: SQL devs <>
Version: -- development
CC: @njnes

Last updated: 2011-05-31 13:59:27 +0200

Comment 15805

Date: 2011-05-13 20:52:57 +0200
From: Holger <<holger.pirk>>

User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_7; en-us) AppleWebKit/533.21.1 (KHTML, like Gecko) Version/5.0.5 Safari/533.21.1
Build Identifier:

Binary copy of variable sized data doesn't work. This is, however, only checked when actually importing into the variable sized column. All files that were imported in the same statement but before the variable sized column import are moved from their original position in the file system.

Reproducible: Always

Steps to Reproduce:

  1. Create a table with one fixed width and one variable width column
  2. Do a copy into with binary data.

Actual Results:

mclient output: ERROR: BATattach: bad tail type (varsized)
File with fixed width data is gone

Expected Results:

mclient output: ERROR: BATattach: bad tail type (varsized)
File with fixed width data is not gone

Comment 15807

Date: 2011-05-16 21:40:32 +0200
From: @njnes

could you add an sql example

Comment 15808

Date: 2011-05-16 21:50:36 +0200
From: @njnes

fixed by checking first if we may load variable sized types. (if we fail for another reason, we still won't move the files back (ie be carefull when using this feature)

@monetdb-team monetdb-team added bug Something isn't working normal SQL labels Nov 30, 2020
@sjoerdmullender sjoerdmullender added this to the Ancient Release milestone Nov 9, 2022
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