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Official documentation for ClickHouse
Hello. I want to create the next schema of work with Clickhouse: `c# client (that generate data in Clickhouse Native format) -> Kafka -> Clickhouse Table with Engine=Kafka.` Such schema...
```sql SELECT version, (arrayJoin(changes) AS change).1 AS setting, change.2 AS from, change.3 AS to, change.4 AS desciption FROM system.settings_changes WHERE (version >= '24.4') AND (version
### Company or project name _No response_ ### Describe the issue G'day, I'm not sure this is a issue, but maybe the documentation for protobuflist seems to be missing "repeated"?...
For checking prose we want to explore introducing [Vale](https://vale.sh/) . Other work here includes: - no external links (md file links only) - consistent capitalization of word list e.g. ClickHouse...
The [doc](https://clickhouse.com/docs/en/interfaces/formats#protobuf) said that: Default values defined in a protobuf schema like this ``` syntax = "proto2"; message MessageType { optional int32 result_per_page = 3 [default = 10]; } ```...
Main use cases: 1. Production and staging sync 2. Copy between regions 3. Active passive strategies - how often, we need explore as incremental restore might be supported.
We have a video here from Tom. We need flamegraph and tracing examples as well + examples common paths for improving query performance e.g. rewriting joins. We have some content...
ClickHouse provides different skip / secondary indexes types, for example "N-gram Bloom Filter" indexes. These are documented here: https://clickhouse.com/docs/en/engines/table-engines/mergetree-family/mergetree#table_engine-mergetree-data_skipping-indexes Indexes of this type are highly sensitive to the choice of...
from @thomoco > I think we need a good step-by-step user guide on inserting data from the command line. For example, if I search for this on Google, the first...
I am attempting to strictly follow the docs listed here: https://clickhouse.com/docs/en/architecture/horizontal-scaling This involves copy-pasting the configs and then updating hostnames and the cluster name, but essentially the configs are the...