| commit | 8028e294b456bf1539649527fd98b3985fa4752a | |
| author | Tom Lane <tgl@sss.pgh.pa.us> | |
| Mon, 20 Feb 2023 22:26:25 +0000 (20 17:26 -0500) | ||
| committer | Tom Lane <tgl@sss.pgh.pa.us> | |
| Mon, 20 Feb 2023 22:26:25 +0000 (20 17:26 -0500) | ||
| tree | b8ee94bc94356202971ab0cb86f7edcba5ac2f56 | treesnapshot (tar.gz zip) |
| parent | f0d0394e84ceeda6f22eb3fdb89bd8adbfc13985 | commitdiff |
Detect overflow in timestamp[tz] subtraction.
It's possible to overflow the int64 microseconds field of the
output interval when subtracting two timestamps. Detect that
instead of silently returning a bogus result.
Nick Babadzhanian
Discussion: https://postgr.es/m/CABw73Uq2oJ3E+kYvvDuY04EkhhkChim2e-PaghBDjOmgUAMWGw@mail.gmail.com
It's possible to overflow the int64 microseconds field of the
output interval when subtracting two timestamps. Detect that
instead of silently returning a bogus result.
Nick Babadzhanian
Discussion: https://postgr.es/m/CABw73Uq2oJ3E+kYvvDuY04EkhhkChim2e-PaghBDjOmgUAMWGw@mail.gmail.com