Sergei Golubchik e19b07e657 crash in main.views (and other view + PS tests) ...

When a view is merged, mark its select_lex as already optimized, otherwise
its where clause (which doesn't have to be a valid Item after merging)
might be accessed later. But don't do that for inserts (where a view cannot
be simply merged, if one later needs to insert into it).

2014-08-07 21:45:54 +02:00

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