https://bugs.documentfoundation.org/show_bug.cgi?id=105840
Bug ID: 105840
Summary: FILESSAVE XLS: file size increases to 21mb after
re-saving a particular Calc document
Product: LibreOffice
Version: 5.2.0.0.alpha0+
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Calc
Assignee: [email protected]
Reporter: [email protected]
Created attachment 130996
--> https://bugs.documentfoundation.org/attachment.cgi?id=130996&action=edit
filesizeBug.xls: when saved by LibreOffice 5.2, size grows to 20MB
A regression in 5.2 or 5.3 causes saving this 6.7kb XLS file to become 21mb. It
takes a couple of minutes to save.
Using Linux daily bibisect-52, the document saves at a normal size until it
comes to a point where the original document can no longer be opened. The
exact commit on that day could not be guessed.
daily bibisect: ca5013c262274bd546f4cdc61622e6bf3a4329f5 is the first bad
commit
5.2 master at that time: author Norbert Thiebaud 2016-03-12 20:13:35
commit 02de3a5206c7633d62ebc43edad37747e2c7a1de
vcl graph: stop abusing a pointer for a bool
I couldn't open the document again until 5 months later in daily bibisect-53.
There are only 'skip'ped commits left to test. The first bad commit could be
any of:
c9f6e8694b6b58f421c843f5c55e58ff5b6e314f
a7f2154ea5cf13f74acf57e6ae4baad5427ab7f5
fe9c60dd98b4b2e4a12bdde37c029d5a54792ac5
05b36582da87aa073ece143551b279ae00fab5ca
d84f59360b9facd12144cab6f23191bc8781b6ef
a7e3e7008c4f8aa164590a42ce8d2cd3e46d488a
somewhere around: 2016-08-03:
source-hash-1b52171752d5e4f9fc101a8bc15f6feb6599aaa2
saving to .xlsx format gives a clue. In early 5.2, the dimension was
ref="A2:A1" with two row entries: <row r="2" s="2" customFormat="true"
ht="12.75" hidden="false" customHeight="false" outlineLevel="0"
collapsed="false"></row><row r="1048576" customFormat="false" ht="12.75"
hidden="true" customHeight="false" outlineLevel="0" collapsed="false"></row>
In late 5.3, it was <dimension ref="A1"/> and one million rows were defined,
ending again with <row r="1048576" customFormat="false" ht="15" hidden="true"
customHeight="false" outlineLevel="0" collapsed="false"></row>
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