Contains logging entries. Logging level which goes to this table can be limited with
text_log.level server setting.
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.
Enum8) — Entry level. Possible values:
query_id(String) — ID of the query.
logger_name(LowCardinality(String)) — Name of the logger (i.e.
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.