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Commit dd077ef8 authored by Robert Haas's avatar Robert Haas
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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
parent 902fd1f4
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