Changeset: f671a61deda1 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/f671a61deda1
Modified Files:
sql/server/rel_optimizer.c
Branch: balanced_union
Log Message:
Handle recursive merge tables
diffs (23 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
@@ -55,6 +55,8 @@ typedef struct {
sql_rel *sel;
} merge_table_prune_info;
+static sql_rel *merge_table_prune_and_unionize(visitor *v, sql_rel *mt_rel,
merge_table_prune_info *info);
+
static sql_rel *
rel_wrap_select_around_mt_child(visitor *v, sql_rel *t, merge_table_prune_info
*info)
{
@@ -62,8 +64,8 @@ rel_wrap_select_around_mt_child(visitor
sql_table *subt = (sql_table *)t->l;
if (isMergeTable(subt)) {
- // TODO: handle it
- return NULL;
+ if ((t = merge_table_prune_and_unionize(v, t, info)) == NULL)
+ return NULL;
}
if (info) {
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