optimize calls to number_of_columns() in SheetReader.to_array() #26
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pyexcel-xlsx uses openpyxl which computes this dynamically, which has a huge performance impact when the number of rows is high.
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Looks like the build is broken for another reason, will investigate tomorrow... |
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Will have look soon. Notice the failure before your pull request. |
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pyexcel-xlsx uses openpyxl which computes this dynamically, which has a huge performance impact when the number of rows is high.
As discussed in #25, this is targetting the
v0.2.xbranch.