Changeset: b97bdefb749d for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=b97bdefb749d
Modified Files:
sql/backends/monet5/rel_bin.c
Branch: delete_in_vlist
Log Message:
Reduce the value list to unique values.
diffs (16 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
@@ -326,6 +326,12 @@ handle_in_exps(backend *be, sql_exp *ce,
cmp = cmp_equal;
s = value_list(be, nl, left);
+ stmt* groupby = stmt_group(be, s, NULL, NULL, NULL, 1);
+
+ ext = stmt_result(be, groupby, 1);
+
+ s = stmt_project(be, ext, s);
+
if (sel)
{
s = stmt_join_foo(be, c, s, sel, in, cmp);
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