Sergei Golubchik 1fc6e297f2 XtraDB/InnoDB crash with autoinc, vcol and online alter ...

Fix the doubly questional fix for MySQL Bug#17250787:
* it detected autoinc index by looking for the first index
  that starts from autoinc column. never mind one column
  can be part of many indexes.
* it used autoinc_field->field_index to look up into internal
  innodb dictionary. But field_index accounts for virtual
  columns too, while innodb dictionary ignores them.

Find the index by its name, like elsewhere in ha_innobase.

2016-02-15 13:02:21 +01:00

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