Michael Widenius b83f692565 MDEV-6668: Server crashes in check_view_single_update on concurrent DDL/DML flow with views and triggers ...

Call mysql_derived_reinit() if we are reusing view.
This is needed as during a previous error condition the view may not have been reset

sql/sql_derived.cc:
  More DBUG_PRINT
  Always reset merged_for_insert (no reason to not do that)
sql/sql_derived.h:
  Added prototype
sql/sql_insert.cc:
  More DBUG_PRINT
  Added DBUG_ASSERT
sql/sql_view.cc:
  Call mysql_derived_reinit() if we are reusing view.
  This is needed as during a previous error condition the view may not have been reset
sql/table.cc:
  More DBUG_PRINT

2015-01-29 15:12:32 +02:00

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