Bruce Momjian <pgman@candle.pha.pa.us> writes:
> + /* Even if zero_damaged_pages is true, we don't want autovacuum zeroing. */
> + zero_damaged_pages = false;
This is completely incorrect; you need to set the variable via GUC, else
it will still be overridden from postgresql.conf if a SIGHUP arrives.
I believe this would work:
SetConfigOption("zero_damaged_pages", "false",
PGC_SUSET, PGC_S_SESSION);
regards, tom lane