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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2020-03-31 11:37:44 -0400 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2020-03-31 11:37:44 -0400 |
| commit | 94c9152dc880a8b1d1223c885d6d56d33e417b57 (patch) | |
| tree | baaae56a8e877ff244517b5bb8aef2eac9741039 /src/tutorial/syscat.source | |
| parent | 3ec8576a02b2b06aa214c8f3c2c3303c8a67639f (diff) | |
| download | postgresql-94c9152dc880a8b1d1223c885d6d56d33e417b57.tar.gz postgresql-94c9152dc880a8b1d1223c885d6d56d33e417b57.zip | |
Back-patch addition of stack overflow and interrupt checks for lquery.
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
Diffstat (limited to 'src/tutorial/syscat.source')
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