| From: | Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> |
|---|---|
| To: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | [PATCH] Fix expressions always false |
| Date: | 2019-12-19 23:29:39 |
| Message-ID: | CAEudQApuAr22CUqg5=-g9-vFyoaKyfSf95W-0gCU5rWn837m4g@mail.gmail.com |
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| Lists: | pgsql-hackers |
More about expressions always false.
1. /src/backend/executor/execExprInterp.c
ndims <= 0 neve be negative, because ndims aways is added up +1
2. src/backend/utils/adt/formatting.c
result is declared long. Comparison with int limits is always false.
3. src/backend/utils/adt/jsonfuncs.c
lindex is declared long. . Comparison with int limits is always false.
4. src/backend/utils/adt/network.c
ip_addrsize is macro and awlays return 4 or 16
regards,
Ranier Vilela
| Attachment | Content-Type | Size |
|---|---|---|
| always_false_v1.patch | text/x-patch | 3.0 KB |
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