Changeset: 33826a20c4f4 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/33826a20c4f4
Modified Files:
sql/backends/monet5/rel_pphash.c
Branch: manti
Log Message:
need_has_nil is only for the first hash column
diffs (23 lines):
diff --git a/sql/backends/monet5/rel_pphash.c b/sql/backends/monet5/rel_pphash.c
--- a/sql/backends/monet5/rel_pphash.c
+++ b/sql/backends/monet5/rel_pphash.c
@@ -394,6 +394,7 @@ rel2bin_oahash_build(backend *be, sql_re
sql_subtype *bt = sql_fetch_localtype(TYPE_bit);
sql_subfunc *and = sql_bind_func(be->mvc, "sys", "and", bt, bt, F_FUNC,
true, true);
+ bool first = true;
for (node *n = exps_cmp_hsh->h, *inout = shared_ht->op4.lval->h; n &&
inout; n = n->next, inout = inout->next) {
sql_exp *e = n->data;
stmt *ht = inout->data;
@@ -409,9 +410,10 @@ rel2bin_oahash_build(backend *be, sql_re
}
prnt = perfect ?
stmt_fhash_build_ht(be, ht, key, is_any(e)) :
- stmt_oahash_build_ht(be, ht, key, prnt, is_any(e));
+ stmt_oahash_build_ht(be, ht, key, prnt, is_any(e) &&
first);
if (prnt == NULL)
return NULL;
+ first = false;
if (e->alias.label)
ht = stmt_alias(be, ht, e->alias.label,
exp_find_rel_name(e), exp_name(e));
append(l, ht);
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