Fix range check in ECPG numeric to int conversion

John Naylor <john.naylor@postgresql.org>

Commit: cfcb0ceabde11dc6bf57185f72a2b14132631dfd
Author: John Naylor <john.naylor@postgresql.org>
Date: 2021-07-30T20:34:33Z
Releases: 9.6.23
Fix range check in ECPG numeric to int conversion

The previous coding guarded against -INT_MAX instead of INT_MIN,
leading to -2147483648 being rejected as out of range.

Per bug #17128 from Kevin Sweet

Discussion: https://www.postgresql.org/message-id/flat/17128-55a8a879727a3e3a%40postgresql.org
Reviewed-by: Tom Lane
Backpatch to all supported branches

Files

Documentation touched

Discussion