Add ON CONFLICT to derive_transaction_forks

Fixes #1262
6 years ago · 1579db1aec
parent 786f89164b
commit 1579db1aec
1 changed files with 3 additions and 0 deletions
--- a/apps/explorer/lib/explorer/chain/import/runner/blocks.ex
+++ b/apps/explorer/lib/explorer/chain/import/runner/blocks.ex
@ -133,6 +133,9 @@ defmodule Explorer.Chain.Import.Runner.Blocks do
    insert_sql = """
    INSERT INTO transaction_forks (uncle_hash, index, hash, inserted_at, updated_at)
    #{select_sql}
+    ON CONFLICT (uncle_hash, index)
+    DO UPDATE SET hash = EXCLUDED.hash
+    WHERE EXCLUDED.hash <> transaction_forks.hash
    RETURNING uncle_hash, hash
    """