DB Manager fails to dispay tables without PK

[qgib]

Author Name: Paolo Cavallini (@pcav)
Original Redmine Issue: 16506
Affected QGIS version: master
Redmine category:db_manager

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Current master fails to display table info for tables without a PK. If clicking on table preview first, the info is displayed.

if self.table.rowCount is not None or self.table.rowCount >= 0:
TypeError: unorderable types: NoneType() >= int()

TypeError: unorderable types: NoneType() >= int() 
Traceback (most recent call last):
  File "/usr/local/src/qgis/QGIS/build_qgis3/output/python/plugins/db_manager/db_manager.py", line 92, in itemChanged
    self.refreshTabs()
  File "/usr/local/src/qgis/QGIS/build_qgis3/output/python/plugins/db_manager/db_manager.py", line 141, in refreshTabs
    self.info.showInfo(item)
  File "/usr/local/src/qgis/QGIS/build_qgis3/output/python/plugins/db_manager/info_viewer.py", line 76, in showInfo
    self._showTableInfo(item)
  File "/usr/local/src/qgis/QGIS/build_qgis3/output/python/plugins/db_manager/info_viewer.py", line 135, in _showTableInfo
    html += table.info().toHtml()
  File "/usr/local/src/qgis/QGIS/build_qgis3/output/python/plugins/db_manager/db_plugins/info_model.py", line 361, in toHtml
    ret = self.getTableInfo()
  File "/usr/local/src/qgis/QGIS/build_qgis3/output/python/plugins/db_manager/db_plugins/postgis/info_model.py", line 230, in getTableInfo
    ret = TableInfo.getTableInfo(self)
  File "/usr/local/src/qgis/QGIS/build_qgis3/output/python/plugins/db_manager/db_plugins/info_model.py", line 296, in getTableInfo
    general_info = self.generalInfo()
  File "/usr/local/src/qgis/QGIS/build_qgis3/output/python/plugins/db_manager/db_plugins/postgis/info_model.py", line 87, in generalInfo
    if self.table.rowCount is not None or self.table.rowCount >= 0:
TypeError: unorderable types: NoneType() >= int()

[qgib]

Author Name: Giovanni Manghi (@gioman)

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• priority_id was changed from Normal to High

[qgib]

Author Name: Salvatore Larosa (@slarosa)

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Fixed in changeset f1c3692

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• resolution was changed from to fixed/implemented
• status_id was changed from Open to Closed