diff options
Diffstat (limited to 'src/backend/optimizer/path/costsize.c')
| -rw-r--r-- | src/backend/optimizer/path/costsize.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c index 3dbb3bd802..ff5bb78337 100644 --- a/src/backend/optimizer/path/costsize.c +++ b/src/backend/optimizer/path/costsize.c @@ -54,7 +54,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/path/costsize.c,v 1.178 2007/02/22 22:00:24 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/path/costsize.c,v 1.179 2007/03/27 23:21:09 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1891,6 +1891,15 @@ cost_qual_eval_walker(Node *node, cost_qual_eval_context *context) context->total.per_tuple += get_func_cost(saop->opfuncid) * cpu_operator_cost * estimate_array_length(arraynode) * 0.5; } + else if (IsA(node, ArrayCoerceExpr)) + { + ArrayCoerceExpr *acoerce = (ArrayCoerceExpr *) node; + Node *arraynode = (Node *) acoerce->arg; + + if (OidIsValid(acoerce->elemfuncid)) + context->total.per_tuple += get_func_cost(acoerce->elemfuncid) * + cpu_operator_cost * estimate_array_length(arraynode); + } else if (IsA(node, RowCompareExpr)) { /* Conservatively assume we will check all the columns */ |