https://bugs.documentfoundation.org/show_bug.cgi?id=63416
--- Comment #12 from i...@scito.ch --- Created attachment 114181 --> https://bugs.documentfoundation.org/attachment.cgi?id=114181&action=edit Code parts responsible for current behaviour Thanks for your explanation according to priorities. Since there is a workaround (fill empty column headers with a space) the priority is minor. I've analysed the code by using the online git view since I do not have a LibO development environment. Basically, the following lines of code are responsible for the current behaviour: void ScGridWindow::UpdateAutoFilterFromMenu(AutoFilterMode eMode) { ... bool bHasHeader = pDoc->HasColHeader( aSortParam.nCol1, aSortParam.nRow1, aSortParam.nCol2, aSortParam.nRow2, nTab); aSortParam.bHasHeader = bHasHeader; **** bool ScTable::HasColHeader( SCCOL nStartCol, SCROW nStartRow, SCCOL nEndCol, SCROW /* nEndRow */ ) const { for (SCCOL nCol=nStartCol; nCol<=nEndCol; nCol++) { CellType eType = GetCellType( nCol, nStartRow ); if (eType != CELLTYPE_STRING && eType != CELLTYPE_EDIT) return false; } return true; } I've attached the relevant code parts responsible for autofilter sorting, see attachment. Lacking an IDE, I do not know how often ScTable::HasColHeader is used and what the impact of a change of this method would be. This autofilter sorting feature was added with commit http://cgit.freedesktop.org/libreoffice/core/commit/?id=2a755c0cd61b619ed14e023ad34fc7596eafdf34 Currently, I do not know what a correct solution would be. Additionally, there is a warning dialog shown if the autofilter is applied with empty cells in the header: "The range does not contain column headers. Do you want the first line to be used as column header?" This behaviour should be considered too. -- You are receiving this mail because: You are the assignee for the bug.
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