diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2003-03-14 00:15:32 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2003-03-14 00:15:32 +0000 |
| commit | 2a1ef30b5779edb9acd1bb69e9d4f4e1c7889f9e (patch) | |
| tree | 8d5d6a26b98e3c9b0f114197882066c2e14bf578 /src/backend/utils/adt/numeric.c | |
| parent | 6c4996fa6b635db71e2348025a7ba77d71da69f3 (diff) | |
| download | postgresql-2a1ef30b5779edb9acd1bb69e9d4f4e1c7889f9e.tar.gz postgresql-2a1ef30b5779edb9acd1bb69e9d4f4e1c7889f9e.zip | |
Prevent infinite loop in ln_var() due to roundoff error.
Per report from Dave Marin.
Diffstat (limited to 'src/backend/utils/adt/numeric.c')
| -rw-r--r-- | src/backend/utils/adt/numeric.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c index 1a21500a8b0..2214f570d6d 100644 --- a/src/backend/utils/adt/numeric.c +++ b/src/backend/utils/adt/numeric.c @@ -5,7 +5,7 @@ * * 1998 Jan Wieck * - * $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.57 2003/03/11 21:01:33 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.58 2003/03/14 00:15:32 tgl Exp $ * * ---------- */ @@ -3872,6 +3872,9 @@ ln_var(NumericVar *arg, NumericVar *result) break; add_var(result, &elem, result); + + if (elem.weight < (result->weight - 2 * global_rscale)) + break; } /* Compensate for argument range reduction, round to caller's rscale */ |