Restore support for date/time constants in KEXI SQL
Design page: https://community.kde.org/Kexi/Plugins/Queries/SQL_Constants Bug: https://bugs.kde.org/show_bug.cgi?id=393094
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Base impl. -
Make conversion to QTime work for AM/PM - https://www.timeanddate.com/time/am-and-pm.html#converting -
Add autotests for the date SQL constants -
Add autotests for the time SQL constants -
Add autotests for the date/date SQL constants -
Add simple autotests for the date/time/date-time classes -
Add complete autotests for the date/time/date-time classes (corner cases, etc.) -
Add error messages to date/time/date-time classes, otherwise SQL editor is unfriendly