sprintf() of char* value, no memory allocation?

executor/nodeTee.c, line 174? I can't find anywhere where space was
allocated...?

Yep. However, I think Tee may never be used as a node by any query, so
it may not be a problem. Search the archives. You may find
someone(Vadim?) saying that Tee is never used.

Still, should be cleaned up.

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