[Libreoffice-bugs] [Bug 129166] XCellRangeData::setDataArray is many times slower when data contains some empty strings

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=129166

Mike Kaganski <mikekaganski at hotmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |kohei at libreoffice.org

--- Comment #12 from Mike Kaganski <mikekaganski at hotmail.com> ---
Possibly empty cells could be treated as not having different type compared to
their neighbours? Typical use of large tabular data (where the performance
problem happens) is to have same type of data in column; and empty value could
be thought as a special case of value of any data type.

And in case of strings, this is especially true, because while we could argue
that empty is not a valid number (but still it would be useful to have special
"empty" number for efficiency), empty string is perfectly valid thing.

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