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Experimentation shows that it's not hard at all to drive the old implementation of "ltree ~ lquery" match to stack overflow, so throw in a check_stack_depth() call, as I just did in HEAD. I wasn't able to make it take a long time, because all the pathological cases I tried hit stack overflow first; but I bet there are some others that do take a long time, so add CHECK_FOR_INTERRUPTS() too. Discussion: https://postgr.es/m/CAP_rww=waX2Oo6q+MbMSiZ9ktdj6eaJj0cQzNu=Ry2cCDij5fw@mail.gmail.com |
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.. | ||
data | ||
expected | ||
sql | ||
_ltree_gist.c | ||
_ltree_op.c | ||
.gitignore | ||
crc32.c | ||
crc32.h | ||
lquery_op.c | ||
ltree_gist.c | ||
ltree_io.c | ||
ltree_op.c | ||
ltree--1.0--1.1.sql | ||
ltree--1.1.sql | ||
ltree--unpackaged--1.0.sql | ||
ltree.control | ||
ltree.h | ||
ltreetest.sql | ||
ltxtquery_io.c | ||
ltxtquery_op.c | ||
Makefile |