add heavier test

tests/queries/1_stateful/00184_parallel_hash_returns_same_res_as_hash.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+set -e
+
+CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+# shellcheck source=../shell_config.sh
+. "$CUR_DIR"/../shell_config.sh
+
+
+ROWS=123456
+SEED=$(${CLICKHOUSE_CLIENT} -q "SELECT reinterpretAsUInt32(today())")
+
+${CLICKHOUSE_CLIENT} --max_threads 16 --query="
+CREATE TABLE t1 ENGINE = MergeTree ORDER BY tuple() AS
+SELECT
+    sipHash64(CounterID, $SEED) AS CounterID,
+    EventDate,
+    sipHash64(WatchID, $SEED) AS WatchID,
+    sipHash64(UserID, $SEED) AS UserID,
+    URL
+FROM test.hits
+ORDER BY
+    CounterID ASC,
+    EventDate ASC
+LIMIT $ROWS;
+
+CREATE TABLE t2 ENGINE = MergeTree ORDER BY tuple() AS
+SELECT
+    sipHash64(CounterID, $SEED) AS CounterID,
+    EventDate,
+    sipHash64(WatchID, $SEED) AS WatchID,
+    sipHash64(UserID, $SEED) AS UserID,
+    URL
+FROM test.hits
+ORDER BY
+    CounterID DESC,
+    EventDate DESC
+LIMIT $ROWS;
+
+set max_memory_usage = 0;
+
+CREATE TABLE res_hash
+ENGINE = MergeTree()
+ORDER BY (CounterID, EventDate, WatchID, UserID, URL, t2.CounterID, t2.EventDate, t2.WatchID, t2.UserID, t2.URL)
+AS SELECT
+    t1.*,
+    t2.*
+FROM t1
+LEFT JOIN t2 ON (t1.UserID = t2.UserID) AND ((t1.EventDate < t2.EventDate) OR (length(t1.URL) > length(t2.URL)))
+ORDER BY ALL
+LIMIT $ROWS
+SETTINGS join_algorithm = 'hash';
+
+CREATE TABLE res_parallel_hash
+ENGINE = MergeTree()
+ORDER BY (CounterID, EventDate, WatchID, UserID, URL, t2.CounterID, t2.EventDate, t2.WatchID, t2.UserID, t2.URL)
+AS SELECT
+    t1.*,
+    t2.*
+FROM t1
+LEFT JOIN t2 ON (t1.UserID = t2.UserID) AND ((t1.EventDate < t2.EventDate) OR (length(t1.URL) > length(t2.URL)))
+ORDER BY ALL
+LIMIT $ROWS
+SETTINGS join_algorithm = 'parallel_hash';
+
+SELECT *
+FROM (
+    SELECT * FROM res_hash ORDER BY ALL
+    EXCEPT
+    SELECT * FROM res_parallel_hash ORDER BY ALL
+)
+LIMIT 1;
+"