system.errors

Contains error codes with the number of times they have been triggered.

Columns:

name (String) — name of the error (errorCodeToName).
code (Int32) — code number of the error.
value (UInt64) — the number of times this error has been happened.
last_error_time (DateTime) — time when the last error happened.
last_error_message (String) — message for the last error.
last_error_stacktrace (String) — stacktrace for the last error.
remote (UInt8) — remote exception (i.e. received during one of the distributed query).

Example

SELECT name, code, value
FROM system.errors
WHERE value > 0
ORDER BY code ASC
LIMIT 1

┌─name─────────────┬─code─┬─value─┐
│ CANNOT_OPEN_FILE │   76 │     1 │
└──────────────────┴──────┴───────┘

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system.errors

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