diff --git a/src/handlers/issue-deduplication.ts b/src/handlers/issue-deduplication.ts
index 3723753..3273a09 100644
--- a/src/handlers/issue-deduplication.ts
+++ b/src/handlers/issue-deduplication.ts
@@ -21,7 +21,7 @@ export interface IssueGraphqlResponse {
 
 /**
  * Checks if the current issue is a duplicate of an existing issue.
- * If a similar issue is found, a comment is added to the current issue.
+ * If a similar issue is found, a footnote is added to the current issue.
  * @param context The context object
  * @returns True if a similar issue is found, false otherwise
  **/
diff --git a/src/plugin.ts b/src/plugin.ts
index 197948b..c533909 100644
--- a/src/plugin.ts
+++ b/src/plugin.ts
@@ -33,8 +33,8 @@ export async function runPlugin(context: Context) {
   } else if (isIssueEvent(context)) {
     switch (eventName) {
       case "issues.opened":
-        await issueChecker(context);
         await addIssue(context);
+        await issueChecker(context);
         return await issueMatching(context);
       case "issues.edited":
         await issueChecker(context);
diff --git a/supabase/migrations/20241008175109_function_issue.sql b/supabase/migrations/20241008175109_function_issue.sql
new file mode 100644
index 0000000..875a8d4
--- /dev/null
+++ b/supabase/migrations/20241008175109_function_issue.sql
@@ -0,0 +1,38 @@
+DROP FUNCTION IF EXISTS find_similar_issues;
+
+CREATE OR REPLACE FUNCTION find_similar_issues(current_id VARCHAR, query_embedding vector(1024), threshold float8, top_k INT)
+RETURNS TABLE(issue_id VARCHAR, issue_plaintext TEXT, similarity float8) AS $$
+DECLARE
+    current_quantized vector(1024);
+    current_repo TEXT;
+    current_org TEXT;
+BEGIN
+    -- Ensure the query_embedding is in the correct format
+    current_quantized := query_embedding;
+
+    -- Extract the current issue's repo and org from the payload
+    SELECT
+        payload->'repository'->>'name'::text,
+        payload->'repository'->'owner'->>'login'::text
+    INTO current_repo, current_org
+    FROM issues
+    WHERE id = current_id;
+
+    -- Check if the current issue has valid repo and org
+    IF current_repo IS NULL OR current_org IS NULL THEN
+        RETURN;  -- Exit if current issue's repo or org is null
+    END IF;
+
+    RETURN QUERY
+    SELECT id AS issue_id,
+           plaintext AS issue_plaintext,
+           1 - (l2_distance(current_quantized, embedding)) AS similarity
+    FROM issues
+    WHERE id <> current_id
+        AND current_repo = payload->'repository'->>'name'::text
+        AND current_org =  payload->'repository'->'owner'->>'login'::text
+        AND 1 - l2_distance(current_quantized, embedding) > threshold  -- Ensure similarity exceeds threshold
+    ORDER BY similarity DESC
+    LIMIT top_k;
+END;
+$$ LANGUAGE plpgsql;