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Suppress uninitialized-variable warning.

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In the wake of commit 80aa9848b, a few compilers think that
postgresAcquireSampleRowsFunc's "reltuples" might be used
uninitialized.  The logic is visibly correct, both before
and after that change; presumably what happened here is that
the previous presence of a setjmp() in the function stopped
them from attempting any flow analysis at all.  Add a dummy
initialization to silence the warning.

Reported-by: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Author: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CAExHW5tkerCufA_F6oct5dMJ61N+yVrVgYXL7M8dD-5_zXjrDw@mail.gmail.com
This commit is contained in:
Tom Lane 2025-07-29 09:42:22 -04:00
parent 1d1612aec7
commit b9ebb92bcb
1 changed files with 1 additions and 1 deletions
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2
contrib/postgres_fdw/postgres_fdw.c
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@ -5018,7 +5018,7 @@ postgresAcquireSampleRowsFunc(Relation relation, int elevel,
int server_version_num;
PgFdwSamplingMethod method = ANALYZE_SAMPLE_AUTO; /* auto is default */
double sample_frac = -1.0;
double reltuples;
double reltuples = -1.0;
unsigned int cursor_number;
StringInfoData sql;
PGresult *res;