Fix stateless tests

tests/queries/0_stateless/00124_shard_distributed_with_many_replicas.sql

@@ -1,6 +1,7 @@
 -- Tags: replica, distributed
 
 SET max_parallel_replicas = 2;
+SET parallel_replicas_mode = 'sample_key';
 DROP TABLE IF EXISTS report;
 
 set allow_deprecated_syntax_for_merge_tree=1;

tests/queries/0_stateless/01034_prewhere_max_parallel_replicas_distributed.sql

@@ -9,6 +9,9 @@ CREATE TABLE test_max_parallel_replicas_lr (timestamp UInt64) ENGINE = MergeTree
 INSERT INTO test_max_parallel_replicas_lr select number as timestamp from system.numbers limit 100;
 
 SET max_parallel_replicas = 2;
+SET parallel_replicas_mode = 'sample_key';
+SET allow_experimental_parallel_reading_from_replicas = 0;
+
 select count() FROM remote('127.0.0.{2|3}', currentDatabase(), test_max_parallel_replicas_lr) PREWHERE timestamp > 0;
 
 drop table test_max_parallel_replicas_lr;

tests/queries/0_stateless/01034_sample_final_distributed.sql

@@ -13,7 +13,10 @@ select count() from sample_final sample 1/2;
 select 'count sample final';
 select count() from sample_final final sample 1/2;
 select 'count final max_parallel_replicas';
+
+set allow_experimental_parallel_reading_from_replicas = 0;
 set max_parallel_replicas=2;
+set parallel_replicas_mode='sample_key';
 select count() from remote('127.0.0.{2|3}', currentDatabase(), sample_final) final;
 
 drop table if exists sample_final;

tests/queries/0_stateless/01099_parallel_distributed_insert_select.sql

@@ -2,6 +2,7 @@
 
 -- set insert_distributed_sync = 1;  -- see https://github.com/ClickHouse/ClickHouse/issues/18971
 
+SET allow_experimental_parallel_reading_from_replicas = 0; -- see https://github.com/ClickHouse/ClickHouse/issues/34525
 SET prefer_localhost_replica = 1;
 
 DROP TABLE IF EXISTS local_01099_a;

tests/queries/0_stateless/01517_select_final_distributed.sql

@@ -1,5 +1,7 @@
 -- Tags: distributed
 
+SET allow_experimental_parallel_reading_from_replicas = 0;
+
 DROP TABLE IF EXISTS test5346;
 
 CREATE TABLE test5346 (`Id` String, `Timestamp` DateTime, `updated` DateTime) 

tests/queries/0_stateless/01557_max_parallel_replicas_no_sample.sql

@@ -4,6 +4,7 @@ DROP TABLE IF EXISTS t;
 CREATE TABLE t (x String) ENGINE = MergeTree ORDER BY x;
 INSERT INTO t VALUES ('Hello');
 
+SET parallel_replicas_mode = 'sample_key';
 SET max_parallel_replicas = 3;
 SELECT * FROM remote('127.0.0.{2|3|4}', currentDatabase(), t);
 

tests/queries/0_stateless/02535_max_parallel_replicas_custom_key.sh

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Tags: no-parallel, long
 
 CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 # shellcheck source=../shell_config.sh