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-rw-r--r--domagi/extract-node-traversal.sql2
1 files changed, 2 insertions, 0 deletions
diff --git a/domagi/extract-node-traversal.sql b/domagi/extract-node-traversal.sql
index cfad925..713f599 100644
--- a/domagi/extract-node-traversal.sql
+++ b/domagi/extract-node-traversal.sql
@@ -1,3 +1,5 @@
+-- Start with the specified segment and traverse the graph up to a
+-- specified distance picking up more segments along the way.
 CREATE TEMPORARY TABLE selected_segment AS
   WITH RECURSIVE
     cte (id, distance) AS (