From 4d8cc494e18a7fab5a9d737e670cbfcf87b94519 Mon Sep 17 00:00:00 2001
From: Lex Berezhny <lex@damoti.com>
Date: Wed, 21 Oct 2020 13:53:37 -0400
Subject: [PATCH] add txo_unspent_by_address index

---
 lbry/db/tables.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lbry/db/tables.py b/lbry/db/tables.py
index 22aa14b1e..4c861dd78 100644
--- a/lbry/db/tables.py
+++ b/lbry/db/tables.py
@@ -159,6 +159,9 @@ pg_add_txo_constraints_and_indexes = [
     # for calculating supports on a claim
     f"CREATE INDEX txo_unspent_supports ON txo (claim_hash) INCLUDE (amount) "
     f"WHERE spent_height = 0 AND txo_type={TXO_TYPES['support']};",
+    # for calculating balance
+    f"CREATE INDEX txo_unspent_by_address ON txo (address) INCLUDE (amount) "
+    f"WHERE spent_height = 0;",
     # for finding modified claims in a block range
     f"CREATE INDEX txo_claim_changes "
     f"ON txo (height DESC) INCLUDE (claim_hash, txo_hash) "