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ClickHouse/tests/integration/test_config_substitutions
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Azat Khuzhin 2c6604ec24 Allow nodes in config with from_env/from_zk and non empty element with replace=1 
Such nodes in config are useful as a nodes with default values, that can
be overwritten from ZooKeeper/env.

So after this patch the following is valid, and is interpreted as
default value 86400, and can be overwritten via env:

```xml
<asynchronous_metrics_update_period_s replace="1" from_env="CH_ASYNCHRONOUS_METRICS_UPDATE_PERIOD_S">86400</asynchronous_metrics_update_period_s>
```

While the following is not:

```xml
<asynchronous_metrics_update_period_s             from_env="CH_ASYNCHRONOUS_METRICS_UPDATE_PERIOD_S">86400</asynchronous_metrics_update_period_s>
```

Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
2023-12-07 18:01:40 +01:00
..
configs Allow nodes in config with from_env/from_zk and non empty element with replace=1 2023-12-07 18:01:40 +01:00
__init__.py Move all folders inside /dbms one level up (#9974) 2020-04-02 02:51:21 +03:00
test.py Allow nodes in config with from_env/from_zk and non empty element with replace=1 2023-12-07 18:01:40 +01:00