make cte name deterministic

Author: sfc-gh-aling

src/snowflake/snowpark/_internal/compiler/repeated_subquery_elimination.py

@@ -18,8 +18,8 @@
     update_resolvable_node,
 )
 from snowflake.snowpark._internal.utils import (
+    TEMP_OBJECT_NAME_PREFIX,
     TempObjectType,
-    random_name_for_temp_object,
 )
 
 
@@ -164,10 +164,11 @@ def _update_parents(
                         node.encoded_node_id_with_query
                     ]
                 else:
-                    # create a WithQueryBlock node
-                    with_block = WithQueryBlock(
-                        name=random_name_for_temp_object(TempObjectType.CTE), child=node
-                    )
+                    # create a WithQueryBlock node with deterministic name
+                    # Use first 16 chars of encoded_node_id_with_query (SHA256 hash)
+                    # This ensures the same node always gets the same CTE name
+                    cte_name = f"{TEMP_OBJECT_NAME_PREFIX}{TempObjectType.CTE.value}_{node.encoded_node_id_with_query[:16].upper()}"
+                    with_block = WithQueryBlock(name=cte_name, child=node)
                     with_block._is_valid_for_replacement = True
 
                     resolved_with_block = self._query_generator.resolve(with_block)