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系统。text_log

包含日志记录条目。 进入该表的日志记录级别可以通过以下方式进行限制 text_log.level 服务器设置。

列:

• 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:
  • 1 或 'Fatal'.
  • 2 或 'Critical'.
  • 3 或 'Error'.
  • 4 或 'Warning'.
  • 5 或 'Notice'.
  • 6 或 'Information'.
  • 7 或 'Debug'.
  • 8 或 'Trace'.
• 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.
• source_line (UInt64) — Source line from which the logging was done.