Fix assertions for stream_node_template, upstream_actors, and nodes.

proto/meta.proto

@@ -111,7 +111,7 @@ message TableFragments {
   // When we use RENDER_TEMPLATE, template compression is enabled during the conversion between PbTableFragments and model::TableFragments.
   // This avoids pointless repetition in each PbActor’s StreamNode within PbFragment.
   // When RENDER_TEMPLATE is activated, the stream_node_template in PbFragment should not be empty.
-  // Also, the nodes in the original actors field will be disregarded (if template compression is enabled, an irrelevant NoOp should be placed here) and rendered when converted to model::TableFragments.
+  // Also, the nodes in the original actors field will be disregarded and rendered when converted to model::TableFragments.
   GraphRenderType graph_render_type = 7;
 }
 

src/common/src/util/table_fragments_util.rs

@@ -33,7 +33,7 @@ pub fn uncompress_table_fragments(table_fragments: &mut PbTableFragments) {
     for fragment in table_fragments.fragments.values_mut() {
         assert!(
             fragment.stream_node_template.is_some(),
-            "fragment.stream_node_template should be Some() when render type is RenderTemplate"
+            "fragment.stream_node_template should not be None when render type is RenderTemplate"
         );
 
         for actor in &mut fragment.actors {
@@ -57,18 +57,12 @@ pub fn uncompress_table_fragments(table_fragments: &mut PbTableFragments) {
             );
 
             actor.nodes = pb_nodes;
-
-            assert!(
-                !actor.upstream_actors_by_fragment.is_empty(),
-                "actor.upstream_actors_by_fragment should not be empty when render type is RenderTemplate"
-            );
-
             actor.upstream_actors_by_fragment.clear();
         }
 
         assert!(
             fragment.stream_node_template.is_some(),
-            "fragment.stream_node_template should be Some() when render type is RenderTemplate"
+            "fragment.stream_node_template should not be None when render type is RenderTemplate"
         );
         fragment.stream_node_template = None;
     }
@@ -134,7 +128,7 @@ pub fn compress_table_fragments(table_fragments: &mut PbTableFragments) {
 
             assert!(
                 actor.nodes.is_some(),
-                "actor.nodes should be Some() when render type is unspecified"
+                "actor.nodes should not be None when render type is unspecified"
             );
 
             actor.nodes = None;