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Add info about MutationsInterpreter

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Dmitry Novik 2024-06-06 18:45:43 +02:00 committed by GitHub
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docs/en/operations/analyzer.md
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@ -148,6 +148,12 @@ SELECT toTypeName(if(0, [2, 3, 4], 'String'))
The new analyzer significantly changed the communication protocol between servers in the cluster. Thus, it's impossible to run distributed queries on servers with different `allow_experimental_analyzer` setting values.
### Mutations are interpreted by previous analyzer
Mutations are still using the old analyzer.
This means some new ClickHouse SQL features can't be used in mutations. For example, the `QUALIFY` clause.
Status can be checked [here](https://github.com/ClickHouse/ClickHouse/issues/61563).
### Unsupported features
The list of features new analyzer currently doesn't support: