Re: [HACKERS] [sqlsmith] Crash in tsquery_rewrite/QTNBinary

2016-12-11 Thread Tom Lane
Artur Zakirov writes: > 2016-12-07 9:06 GMT+03:00 Andreas Seltenreich : >> the following query crashes master as of 4212cb7. > It happens because 'I' is stop word and substitute query becomes > empty. And for queries above we need recursive dropvoidsubtree() > function. Without this patch this fu

Re: [HACKERS] [sqlsmith] Crash in tsquery_rewrite/QTNBinary

2016-12-10 Thread Artur Zakirov
Hi, 2016-12-07 9:06 GMT+03:00 Andreas Seltenreich : > Hi, > > the following query crashes master as of 4212cb7. > > select ts_rewrite( > tsquery_phrase( > tsquery $$'sanct' & 'peter'$$, > tsquery $$'5' <-> '6'$$, > 42), > tsquery $$'5' <->