Robert Haas dd077ef832 postgres_fdw: Avoid sharing list substructure. ...

list_concat(list_concat(a, b), c) destructively changes both a and b;
to avoid such perils, copy lists of remote_conds before incorporating
them into larger lists via list_concat().

Ashutosh Bapat, per a report from Etsuro Fujita

2016-02-21 14:17:50 +05:30

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