Sergei Petrunia 9f862ce026 MDEV#7383: engine-independent-stats column_stats has limited values for max/min values ...

Patch from Daniel Black:
- Change the charset of mysql.column_stats.{min_value, max_value} from
  utf8_bin varchar to varbinary
- Adjust the code that saves/reads the data accordingly.
- Also provide upgrade statement in mysql_system_tables_fix.sql

2015-11-09 17:58:35 +03:00

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