Monty 5f0c31f928 MDEV-11597 Assertion when doing select from virtual column with impossible value ...

- Changed error handlers interface so that they can change error level in
  the handler
- Give warnings and errors when calculating virtual columns
- On insert/update error is fatal in strict mode.
- SELECT and DELETE will only give a warning if a virtual field generates an error
- Added VCOL_UPDATE_FOR_DELETE and VCOL_UPDATE_INDEX_FOR_REPLACE to be able to
  easily detect in update_virtual_fields() if we should use an error
  handler to mask errors or not.

2017-01-11 09:19:45 +02:00

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