Migration file (#303)

* migration file * update * alter tables * Mix format * Run only on postgres for now --------- Co-authored-by: Javier Chatruc <[email protected]>
lambdaclass · Sep 29, 2023 · ed842af · ed842af
1 parent b201633
commit ed842af
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/priv/repo/migrations/20230929141348_change_blocks_pk.exs b/priv/repo/migrations/20230929141348_change_blocks_pk.exs
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+defmodule StarknetExplorer.Repo.Migrations.ChangeBlocksPk do
+  use Ecto.Migration
+
+  def change do
+    if System.get_env("DB_TYPE") == "postgresql" do
+      execute("alter table transactions drop constraint block_number;")
+      execute("alter table blocks drop constraint blocks_pkey;")
+      execute("alter table blocks add primary key (number, network);")
+
+      execute(
+        "alter table transactions add constraint transactions_blocks_fk foreign key (block_number, network) references blocks (number, network);"
+      )
+
+      execute(
+        "alter table events add constraint events_blocks_fk foreign key (block_number, network) references blocks (number, network);"
+      )
+    end
+  end
+end