Changeset: ca933ee3bcbe for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/ca933ee3bcbe
Modified Files:
sql/server/rel_optimizer.c
Branch: default
Log Message:
My final attempt before having to consider semijoins in the join order: when
attempting to add join indexes, find basetables under semijoins as well
diffs (16 lines):
diff --git a/sql/server/rel_optimizer.c b/sql/server/rel_optimizer.c
--- a/sql/server/rel_optimizer.c
+++ b/sql/server/rel_optimizer.c
@@ -514,8 +514,12 @@ find_basetable( sql_rel *r)
if (!r->l)
return NULL;
return r;
+ case op_semi:
+ case op_anti:
case op_project:
case op_select:
+ case op_topn:
+ case op_sample:
return find_basetable(r->l);
default:
return NULL;
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