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Merge pull request #66982 from linhgiang24/patch-2

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Included "ON CLUSTER cluster_name" syntax for RELOAD DICTIONARIES command
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Dmitry Novik 2024-07-25 15:39:11 +00:00 committed by GitHub
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docs/en/sql-reference/statements/system.md
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@ -18,10 +18,21 @@ Reloads all dictionaries that have been successfully loaded before.
By default, dictionaries are loaded lazily (see [dictionaries_lazy_load](../../operations/server-configuration-parameters/settings.md#server_configuration_parameters-dictionaries_lazy_load)), so instead of being loaded automatically at startup, they are initialized on first access through dictGet function or SELECT from tables with ENGINE = Dictionary. The `SYSTEM RELOAD DICTIONARIES` query reloads such dictionaries (LOADED).
Always returns `Ok.` regardless of the result of the dictionary update.
**Syntax**
```sql
SYSTEM RELOAD DICTIONARIES [ON CLUSTER cluster_name]
```
## RELOAD DICTIONARY
Completely reloads a dictionary `dictionary_name`, regardless of the state of the dictionary (LOADED / NOT_LOADED / FAILED).
Always returns `Ok.` regardless of the result of updating the dictionary.
``` sql
SYSTEM RELOAD DICTIONARY [ON CLUSTER cluster_name] dictionary_name
```
The status of the dictionary can be checked by querying the `system.dictionaries` table.
``` sql