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docs/VictoriaLogs/CHANGELOG.md
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@ -21,7 +21,7 @@ according to [these docs](https://docs.victoriametrics.com/VictoriaLogs/QuickSta
* FEATURE: return all the log fields by default in query results. Previously only [`_stream`](https://docs.victoriametrics.com/victorialogs/keyconcepts/#stream-fields), [`_time`](https://docs.victoriametrics.com/victorialogs/keyconcepts/#time-field) and [`_msg`](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) fields were returned by default. * FEATURE: return all the log fields by default in query results. Previously only [`_stream`](https://docs.victoriametrics.com/victorialogs/keyconcepts/#stream-fields), [`_time`](https://docs.victoriametrics.com/victorialogs/keyconcepts/#time-field) and [`_msg`](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) fields were returned by default.
* FEATURE: add support for returning only the requested log [fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model). See [these docs](https://docs.victoriametrics.com/victorialogs/logsql/#querying-specific-fields). * FEATURE: add support for returning only the requested log [fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model). See [these docs](https://docs.victoriametrics.com/victorialogs/logsql/#querying-specific-fields).
* FEATURE: add support for calculating `count()`, `uniq()`, `sum()`, `avg()`, `min()` and `max()` over [log fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model). Grouping by arbitrary set of [log fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) is supported. See [these docs](https://docs.victoriametrics.com/victorialogs/logsql/#stats) for details. * FEATURE: add support for calculating `count()`, `uniq()`, `uniq_array()`, `sum()`, `avg()`, `min()` and `max()` over [log fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model). Grouping by arbitrary set of [log fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) is supported. See [these docs](https://docs.victoriametrics.com/victorialogs/logsql/#stats) for details.
* FEATURE: add support for limiting the number of returned results. See [these docs](https://docs.victoriametrics.com/victorialogs/logsql/#limiters). * FEATURE: add support for limiting the number of returned results. See [these docs](https://docs.victoriametrics.com/victorialogs/logsql/#limiters).
* FEATURE: optimize performance for [LogsQL query](https://docs.victoriametrics.com/victorialogs/logsql/), which contains multiple filters for [words](https://docs.victoriametrics.com/victorialogs/logsql/#word-filter) or [phrases](https://docs.victoriametrics.com/victorialogs/logsql/#phrase-filter) delimited with [`AND` operator](https://docs.victoriametrics.com/victorialogs/logsql/#logical-filter). For example, `foo AND bar` query must find [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) with `foo` and `bar` words at faster speed. * FEATURE: optimize performance for [LogsQL query](https://docs.victoriametrics.com/victorialogs/logsql/), which contains multiple filters for [words](https://docs.victoriametrics.com/victorialogs/logsql/#word-filter) or [phrases](https://docs.victoriametrics.com/victorialogs/logsql/#phrase-filter) delimited with [`AND` operator](https://docs.victoriametrics.com/victorialogs/logsql/#logical-filter). For example, `foo AND bar` query must find [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) with `foo` and `bar` words at faster speed.
* FEATURE: allow using `_` inside numbers. For example, `score:range[1_000, 5_000_000]` for [`range` filter](https://docs.victoriametrics.com/victorialogs/logsql/#range-filter). * FEATURE: allow using `_` inside numbers. For example, `score:range[1_000, 5_000_000]` for [`range` filter](https://docs.victoriametrics.com/victorialogs/logsql/#range-filter).

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docs/VictoriaLogs/LogsQL.md
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@ -1079,8 +1079,8 @@ LogsQL supports calculating the following stats functions:
of [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) containing the `error` [word](#word), of [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) containing the `error` [word](#word),
which contain non-empty `trace_id` or `user_id` [fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model), grouped by `datacenter` and `namespace` fields. which contain non-empty `trace_id` or `user_id` [fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model), grouped by `datacenter` and `namespace` fields.
- The number of non-empty unique values for the given set of [fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model). Examples: - The number of non-empty unique values for the given set of [log fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model). Examples:
- `error | stats uniq(client_ip) as unique_user_ips` returns the number of unique values for `client_ip` [field](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) - `error | stats uniq(client_ip) as unique_ips` returns the number of unique values for `client_ip` [field](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model)
across [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) with the `error` [word](#word). across [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) with the `error` [word](#word).
- `error | stats by (app) uniq(path, host) as unique_path_hosts` - returns the number of unique `(path, host)` pairs - `error | stats by (app) uniq(path, host) as unique_path_hosts` - returns the number of unique `(path, host)` pairs
for [field values](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) across [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) for [field values](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) across [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field)
@ -1089,6 +1089,12 @@ LogsQL supports calculating the following stats functions:
for [field values](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) across [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) for [field values](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) across [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field)
with the `error` [word](#word). with the `error` [word](#word).
- Non-empty unique values for the given [log fields](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model). Examples:
- `_time:1h | stats uniq_array(client_ip) as unique_ips` returns unique values for `client_ip` [field](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model)
across logs for the last hour. The unqiue values are returned in JSON array such as `["1.2.4.5","5.6.7.8"]`.
- `_time:1h | stats by (host) unique_array(path) as unique_paths` returns unique values for `path` [field](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model)
across logs for the last hour, grouped by `host` [field](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model).
- Sum for the given [log field](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) values. Non-numeric values are ignored. Examples: - Sum for the given [log field](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) values. Non-numeric values are ignored. Examples:
- `error | stats sum(duration) duration_total` - returns the sum of `duration` [field](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) values - `error | stats sum(duration) duration_total` - returns the sum of `duration` [field](https://docs.victoriametrics.com/victorialogs/keyconcepts/#data-model) values
across [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) with the `error` [word](#word). across [log messages](https://docs.victoriametrics.com/victorialogs/keyconcepts/#message-field) with the `error` [word](#word).