diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2015-11-17 15:46:47 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2015-11-17 15:47:03 -0500 |
| commit | 7df6dc4056acc477d792bf3bb1a58eb3c1047269 (patch) | |
| tree | fb366ef632f02d86dd8a31df916e25020bbece53 /src/backend/utils/adt/ruleutils.c | |
| parent | faf18a90506ecf0a4ab1349acfcb899167385649 (diff) | |
Fix possible internal overflow in numeric division.
div_var_fast() postpones propagating carries in the same way as mul_var(),
so it has the same corner-case overflow risk we fixed in 246693e5ae8a36f0,
namely that the size of the carries has to be accounted for when setting
the threshold for executing a carry propagation step. We've not devised
a test case illustrating the brokenness, but the required fix seems clear
enough. Like the previous fix, back-patch to all active branches.
Dean Rasheed
Diffstat (limited to 'src/backend/utils/adt/ruleutils.c')
0 files changed, 0 insertions, 0 deletions