Igor Babaev 93dd70ced8 Fixed bug mdev-12375. ...

The function st_select_lex_unit::exec_recursive() incorrectly determined
that a CTE mutually recursive with some others was stabilized in the case
when the non-recursive part of the CTE returned an empty set. As a result
the server fell into an infinite loop when executing a query using
this CTE.

2017-03-27 14:41:17 -07:00

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