wxGUI/dbmgr: force default where operator (wxPython 3 fix)

             (merge https://trac.osgeo.org/grass/changeset/64768 from trunk)


git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@64769 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/dbmgr/base.py

@@ -1098,6 +1098,7 @@ class DbMgrBrowsePage(DbMgrNotebookBase):
         sqlWhereCond = wx.Choice(parent = whereSimpleSqlPanel, id = wx.ID_ANY,
                                  size = (55,-1),
                                  choices = ['=', '!=', '<', '<=', '>', '>='])
+        sqlWhereCond.SetSelection(0)
         sqlWhereValue = wx.TextCtrl(parent = whereSimpleSqlPanel, id = wx.ID_ANY, value = "",
                                     style = wx.TE_PROCESS_ENTER)
         sqlWhereValue.SetToolTipString(_("Example: %s") % "MULTILANE = 'no' AND OBJECTID < 10")