From e81da697bc4c55f3b65bf3b6aad1024ade938968 Mon Sep 17 00:00:00 2001
From: Arijit Das <arijitad.in@gmail.com>
Date: Mon, 27 Sep 2021 17:14:27 +0530
Subject: [PATCH] Fix query and add debug logs.

---
 .../00014_create_stored_functions.sql         | 32 +++++++------------
 docker-compose.yml                            |  1 +
 2 files changed, 13 insertions(+), 20 deletions(-)

diff --git a/db/migrations/00014_create_stored_functions.sql b/db/migrations/00014_create_stored_functions.sql
index 778aeb3b..e0374636 100644
--- a/db/migrations/00014_create_stored_functions.sql
+++ b/db/migrations/00014_create_stored_functions.sql
@@ -1,26 +1,18 @@
 -- +goose Up
 -- +goose StatementBegin
 -- returns if a state leaf node was removed within the provided block number
-CREATE OR REPLACE FUNCTION was_state_leaf_removed(key character varying, hash character varying) RETURNS boolean
-    LANGUAGE plpgsql
-AS $$
-DECLARE
-    rec RECORD;
-BEGIN
-    FOR rec IN SELECT state_cids.node_type
-               FROM eth.state_cids
-                        INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
-               WHERE state_leaf_key = key
-                 AND block_number <= (SELECT block_number FROM eth.header_cids WHERE block_hash = hash)
-               ORDER BY state_cids.id DESC LIMIT 1
-        LOOP
-            IF rec.node_type = 3 THEN
-                RETURN TRUE;
-            END IF;
-        END LOOP;
-    RETURN FALSE;
-END;
-$$;
+CREATE OR REPLACE FUNCTION was_state_leaf_removed(key character varying, hash character varying)
+    RETURNS boolean AS $$
+    SELECT state_cids.node_type = 3
+    FROM eth.state_cids
+             INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
+    WHERE state_leaf_key = key
+      AND block_number <= (SELECT block_number
+                           FROM eth.header_cids
+                           WHERE block_hash = hash)
+    ORDER BY block_number DESC LIMIT 1;
+$$
+language sql;
 -- +goose StatementEnd
 
 -- +goose StatementBegin
diff --git a/docker-compose.yml b/docker-compose.yml
index c24619bc..2ef02cfd 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -39,6 +39,7 @@ services:
      - vdb_db_eth_server:/var/lib/postgresql/data
     ports:
      - "127.0.0.1:8077:5432"
+    command: ["postgres", "-c", "log_statement=all"]
 
   eth-server:
     restart: unless-stopped