SET allow_experimental_full_text_index=1, receive_timeout = 10., receive_data_timeout_ms = 10000, allow_suspicious_low_cardinality_types = true, optimize_skip_unused_shards = true, force_optimize_skip_unused_shards = 2, use_skip_indexes_on_data_read = true, log_queries = true, table_function_remote_max_addresses = 200, max_execution_time = 10., max_memory_usage = 10000000000, send_logs_level = 'fatal', allow_introspection_functions = true, allow_experimental_nlp_functions = true, allow_experimental_full_text_index = true;

CREATE TABLE tab (`id` UInt64, `text` String, INDEX inv_idx text TYPE text(tokenizer = 'splitByNonAlpha') GRANULARITY 4) ENGINE = MergeTree ORDER BY id SETTINGS index_granularity = 32, index_granularity_bytes = 0, min_bytes_for_wide_part = 0;

INSERT INTO tab FORMAT Values (0,'a'),(1,'b'),(2,'c');

SELECT id FROM tab PREWHERE hasToken(text, 'b');