add condition to ON CONFLICT to avoid not-needed writes

hemilabs · Jan 8, 2025 · a110579 · a110579
1 parent b8fa2a6
commit a110579
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/database/bfgd/postgres/postgres.go b/database/bfgd/postgres/postgres.go
@@ -565,7 +565,8 @@ func (p *pgdb) L2KeystoneLowestBtcBlockUpsert(ctx context.Context, l2KeystoneAbr
 			(SELECT hash FROM lowest_btc_block),
 			(SELECT height FROM lowest_btc_block)
 		)
-		ON CONFLICT (l2_keystone_abrev_hash) DO UPDATE SET btc_block_hash = EXCLUDED.btc_block_hash
+		ON CONFLICT (l2_keystone_abrev_hash) DO UPDATE SET btc_block_hash = EXCLUDED.btc_block_hash 
+		WHERE l2_keystones_lowest_btc_block.btc_block_hash != EXCLUDED.btc_block_hash
 	`
 
 	_, err := p.db.ExecContext(ctx, sql, l2KeystoneAbrevHash)