diff options
Diffstat (limited to 'src/backend/optimizer/path/costsize.c')
| -rw-r--r-- | src/backend/optimizer/path/costsize.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c index 059d574c45f..8f56b6cfbf8 100644 --- a/src/backend/optimizer/path/costsize.c +++ b/src/backend/optimizer/path/costsize.c @@ -49,7 +49,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/path/costsize.c,v 1.116 2003/11/29 19:51:50 pgsql Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/path/costsize.c,v 1.117 2003/12/03 17:45:07 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1322,6 +1322,10 @@ estimate_hash_bucketsize(Query *root, Var *var, int nbuckets) float4 *numbers; int nnumbers; + /* Ignore any binary-compatible relabeling */ + if (var && IsA(var, RelabelType)) + var = (Var *) ((RelabelType *) var)->arg; + /* * Lookup info about var's relation and attribute; if none available, * return default estimate. |