CREATE TABLE t_query_id_header (a UInt64) ENGINE = Memory < Content-Type: text/plain; charset=UTF-8 < X-ClickHouse-Query-Id: query_id < X-ClickHouse-Timezone: timezone INSERT INTO t_query_id_header VALUES (1) < Content-Type: text/plain; charset=UTF-8 < X-ClickHouse-Query-Id: query_id < X-ClickHouse-Timezone: timezone EXISTS TABLE t_query_id_header < Content-Type: text/tab-separated-values; charset=UTF-8 < X-ClickHouse-Format: TabSeparated < X-ClickHouse-Query-Id: query_id < X-ClickHouse-Timezone: timezone SELECT * FROM t_query_id_header < Content-Type: text/tab-separated-values; charset=UTF-8 < X-ClickHouse-Format: TabSeparated < X-ClickHouse-Query-Id: query_id < X-ClickHouse-Timezone: timezone DROP TABLE t_query_id_header < Content-Type: text/plain; charset=UTF-8 < X-ClickHouse-Query-Id: query_id < X-ClickHouse-Timezone: timezone