fix: potentially orphan temporary tables (#1256)

Author: gfyrag

internal/storage/bucket/migrations/11-make-stateless/up.sql

@@ -629,7 +629,8 @@ select aggregate_objects(volumes_to_jsonb(volumes_with_asset))
 from get_all_account_volumes(_ledger, _account_address, _before := _before) volumes_with_asset
 $$ set search_path from current;
 
-create temporary table tmp_volumes as
+drop table if exists tmp_volumes;
+create temporary table tmp_volumes on commit drop as
 select
 	ledger,
 	accounts_address,

internal/storage/bucket/migrations/17-moves-fill-transaction-id/up.sql

@@ -5,6 +5,7 @@ do $$
 	begin
 		set search_path = '{{.Schema}}';
 
+		drop table if exists transactions_ids;
 		create temporary table transactions_ids as
 		select row_number() over (order by transactions.seq) as row_number,
 		       moves.seq as moves_seq, transactions.id, transactions.seq as transactions_seq
@@ -37,6 +38,8 @@ do $$
 
 			perform pg_notify('migrations-{{ .Schema }}', 'continue: ' || _batch_size);
 		end loop;
+
+		drop table transactions_ids;
 	end
 $$
 language plpgsql;

internal/storage/bucket/migrations/18-transactions-fill-inserted-at/up.sql

@@ -18,6 +18,7 @@ do $$
 			execute _vsql;
 		end loop;
 
+		drop table if exists logs_transactions;
 		create temporary table logs_transactions as
 		select row_number() over (order by ledger, id) as row_number, ledger, date, (data->'transaction'->>'id')::bigint as transaction_id
 		from logs

internal/storage/bucket/migrations/20-accounts-volumes-fill-history/up.sql

@@ -5,7 +5,8 @@ do $$
 	begin
 		set search_path = '{{.Schema}}';
 
-		create temporary table tmp_volumes as
+		drop table if exists tmp_volumes;
+		create temporary table tmp_volumes on commit drop as
 		select distinct on (ledger, accounts_address, asset)
 			ledger,
 			accounts_address,