Hi.

Per Coverity.

The commit 7949d95 <http://7949d9594582ab49dee221e1db1aa5401ace49d4>, left
out an oversight.

The report is:
CID 1559468: (#1 of 1): Overflowed array index read (INTEGER_OVERFLOW)

I think that Coverity is right.
In the function *pgstat_read_statsfile* It is necessary to first check
whether it is the most restrictive case.

Otherwise, if PgStat_Kind is greater than 11, a negative index may occur.

Patch attached.

best regards,
Ranier Vilela

Attachment: 0001-avoid-overflowed-array-index-pgstat.patch
Description: Binary data

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