MonetDB: default - small cleanup, no longer needed helper

[Niels Nes]

Changeset: 1c908dbfcf5f for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/1c908dbfcf5f
Modified Files:
        sql/server/rel_unnest.c
Branch: default
Log Message:

small cleanup, no longer needed helper


diffs (33 lines):

diff --git a/sql/server/rel_unnest.c b/sql/server/rel_unnest.c
--- a/sql/server/rel_unnest.c
+++ b/sql/server/rel_unnest.c
@@ -1896,21 +1896,6 @@ exps_have_anyequal(list *exps, int any_o
        return 0;
 }
 
-/* introduce extra selects for (not) anyequal + subquery */
-static sql_rel *
-not_anyequal_helper(visitor *v, sql_rel *rel)
-{
-       if (is_innerjoin(rel->op) && exps_have_anyequal(rel->exps, 
NOT_ANYEQUAL)) {
-               sql_rel *nrel = rel_select(v->sql->sa, rel, NULL);
-               nrel->exps = rel->exps;
-               set_processed(nrel);
-               rel->exps = NULL;
-               rel = nrel;
-               v->changes++;
-       }
-       return rel;
-}
-
 /*
  * For decimals and intervals we need to adjust the scale for some operations.
  *
@@ -3936,7 +3921,6 @@ rel_unnest(mvc *sql, sql_rel *rel)
 
        rel = rel_exp_visitor_bottomup(&v, rel, &rel_simplify_exp_and_rank, 
false);
        rel = rel_visitor_bottomup(&v, rel, &rel_unnest_simplify);
-       rel = rel_visitor_bottomup(&v, rel, &not_anyequal_helper);
 
        rel = rel_exp_visitor_bottomup(&v, rel, &rewrite_complex, true);
        rel = rel_exp_visitor_bottomup(&v, rel, &rewrite_ifthenelse, false);    
/* add isnull handling */
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