Reference
These pages list every function, type, setting, variable, metric, error code and format.
| Page | Entries | What it lists |
|---|---|---|
| Scalar functions | 340 | Functions that return one value per row. |
| Aggregate functions | 55 | Functions that fold the rows of a group into one value. |
| Aggregate function combinators | 6 | Suffixes that change how an aggregate function reads or returns its values. |
| Table functions | 2 | Functions that produce rows in the FROM clause. |
| Window functions | 13 | Functions that return one value per row from the rows around it. |
| Data types | 36 | The column types and the words that name them in a column definition. |
| Settings | 32 | Settings that a query, a session or an operator can change. |
| Error codes | 10 | The codes in the body of an error response. |
| Metrics | 278 | The Prometheus metrics that the server exports. |
| Configuration variables | 242 | The environment variables that configure the server, and their YAML keys. |
| Formats | 17 | The input and output formats of the ClickHouse HTTP interface. |