Added a test #4396

dbms/tests/queries/0_stateless/00899_attach_memory_limit.reference

+10000000
+10000000

dbms/tests/queries/0_stateless/00899_attach_memory_limit.sql

+DROP TABLE IF EXISTS test.index_memory;
+CREATE TABLE test.index_memory (x UInt64) ENGINE = MergeTree ORDER BY x SETTINGS index_granularity = 1;
+INSERT INTO test.index_memory SELECT * FROM system.numbers LIMIT 10000000;
+SELECT count() FROM test.index_memory;
+DETACH TABLE test.index_memory;
+SET max_memory_usage = 79000000;
+ATTACH TABLE test.index_memory;
+SELECT count() FROM test.index_memory;
+DROP TABLE test.index_memory;