Changeset: 643cccc101b7 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/643cccc101b7
Modified Files:
sql/backends/monet5/rel_bin.c
Branch: default
Log Message:
small perf optimization, ie only lookup function when needed
diffs (21 lines):
diff --git a/sql/backends/monet5/rel_bin.c b/sql/backends/monet5/rel_bin.c
--- a/sql/backends/monet5/rel_bin.c
+++ b/sql/backends/monet5/rel_bin.c
@@ -4380,7 +4380,7 @@ sql_insert_check_null(backend *be, sql_t
{
mvc *sql = be->mvc;
node *m, *n;
- sql_subfunc *cnt = sql_bind_func(sql, "sys", "count",
sql_bind_localtype("void"), NULL, F_AGGR, true);
+ sql_subfunc *cnt = NULL;
for (n = ol_first_node(t->columns), m = inserts->h; n && m;
n = n->next, m = m->next) {
@@ -4393,6 +4393,8 @@ sql_insert_check_null(backend *be, sql_t
if (!(s->key && s->nrcols == 0)) {
s = stmt_selectnil(be, column(be, i));
+ if (!cnt)
+ cnt = sql_bind_func(sql, "sys",
"count", sql_bind_localtype("void"), NULL, F_AGGR, true);
s = stmt_aggr(be, s, NULL, NULL, cnt, 1, 0, 1);
} else {
sql_subfunc *isnil = sql_bind_func(sql, "sys",
"isnull", &c->type, NULL, F_FUNC, true);
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