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| author | ilnaz <ilnaz@ydb.tech> | 2023-11-10 14:08:33 +0300 |
|---|---|---|
| committer | ilnaz <ilnaz@ydb.tech> | 2023-11-10 15:53:24 +0300 |
| commit | d581c2702f3e0dfa2b16d8a74467c47dcda82eca (patch) | |
| tree | 81388c5117bc4c86dc17f30c564777dccd079f6a | |
| parent | 0bba3d04ec8de707cad0ed182ac4483d65006c65 (diff) | |
| download | ydb-d581c2702f3e0dfa2b16d8a74467c47dcda82eca.tar.gz | |
Explain ttl unit
| -rw-r--r-- | ydb/docs/en/core/concepts/datamodel/_includes/table.md | 8 | ||||
| -rw-r--r-- | ydb/docs/ru/core/concepts/datamodel/_includes/table.md | 2 |
2 files changed, 8 insertions, 2 deletions
diff --git a/ydb/docs/en/core/concepts/datamodel/_includes/table.md b/ydb/docs/en/core/concepts/datamodel/_includes/table.md index e6a402e435..beb675136d 100644 --- a/ydb/docs/en/core/concepts/datamodel/_includes/table.md +++ b/ydb/docs/en/core/concepts/datamodel/_includes/table.md @@ -131,7 +131,13 @@ If there are multiple followers, their delay from the leader may vary: although | Parameter name | Type | Acceptable values | Update capability | Reset capability | | ------------- | --- | ------------------- | --------------------- | ------------------ | -| `TTL` | Expression | `Interval("<literal>") ON <column>` | Yes | Yes | +| `TTL` | Expression | `Interval("<literal>") ON <column> [AS <unit>]` | Yes | Yes | + +Where `<unit>` is a unit of measurement, specified only for column with a [numeric type](../../../concepts/ttl.md#restrictions): +* `SECONDS`; +* `MILLISECONDS`; +* `MICROSECONDS`; +* `NANOSECONDS`. For more information about deleting expired data, see [Time to Live (TTL)](../../../concepts/ttl.md). diff --git a/ydb/docs/ru/core/concepts/datamodel/_includes/table.md b/ydb/docs/ru/core/concepts/datamodel/_includes/table.md index 57f02aab1b..6726ab2868 100644 --- a/ydb/docs/ru/core/concepts/datamodel/_includes/table.md +++ b/ydb/docs/ru/core/concepts/datamodel/_includes/table.md @@ -130,7 +130,7 @@ YDB поддерживает создание строковых и колоно | ------------- | --- | ------------------- | --------------------- | ------------------ | | `TTL` | Expression | `Interval("<literal>") ON <column> [AS <unit>]` | Да | Да | -Где `<unit>`: +Где `<unit>` — единица измерения, указывается только для колонок с [числовым типом](../../../concepts/ttl.md#restrictions): * `SECONDS`; * `MILLISECONDS`; * `MICROSECONDS`; |