系统。text_log

    • event_date (Date) — Date of the entry.
    • event_time (DateTime) — Time of the entry.
    • microseconds (UInt32) — Microseconds of the entry.
    • thread_name (String) — Name of the thread from which the logging was done.
    • thread_id (UInt64) — OS thread ID.
    • level (Enum8) — Entry level. Possible values:
      • 或 'Critical'.
      • 3 或 'Error'.
      • 4 或 'Warning'.
      • 5 或 'Notice'.
      • 6 或 'Information'.
      • 或 'Debug'.
    • query_id (String) — ID of the query.
    • logger_name (LowCardinality(String)) — Name of the logger (i.e. DDLWorker).
    • message (String) — The message itself.
    • revision (UInt32) — ClickHouse revision.
    • source_file (LowCardinality(String)) — Source file from which the logging was done.
    • (UInt64) — Source line from which the logging was done.