mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 08:32:02 +00:00
34 lines
1.9 KiB
Markdown
34 lines
1.9 KiB
Markdown
# functions {#system-functions}
|
||
|
||
Contains information about normal and aggregate functions.
|
||
|
||
Columns:
|
||
|
||
- `name`(`String`) – The name of the function.
|
||
- `is_aggregate`(`UInt8`) — Whether the function is aggregate.
|
||
|
||
**Example**
|
||
|
||
```sql
|
||
SELECT * FROM system.functions LIMIT 10;
|
||
```
|
||
|
||
```text
|
||
┌─name──────────────────┬─is_aggregate─┬─case_insensitive─┬─alias_to─┬─create_query─┬─origin─┐
|
||
│ logTrace │ 0 │ 0 │ │ │ System │
|
||
│ aes_decrypt_mysql │ 0 │ 0 │ │ │ System │
|
||
│ aes_encrypt_mysql │ 0 │ 0 │ │ │ System │
|
||
│ decrypt │ 0 │ 0 │ │ │ System │
|
||
│ encrypt │ 0 │ 0 │ │ │ System │
|
||
│ toBool │ 0 │ 0 │ │ │ System │
|
||
│ windowID │ 0 │ 0 │ │ │ System │
|
||
│ hopStart │ 0 │ 0 │ │ │ System │
|
||
│ hop │ 0 │ 0 │ │ │ System │
|
||
│ snowflakeToDateTime64 │ 0 │ 0 │ │ │ System │
|
||
└───────────────────────┴──────────────┴──────────────────┴──────────┴──────────────┴────────┘
|
||
|
||
10 rows in set. Elapsed: 0.002 sec.
|
||
```
|
||
|
||
[Original article](https://clickhouse.com/docs/en/operations/system-tables/functions) <!--hide-->
|