mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-25 03:00:49 +00:00
33 lines
1.6 KiB
Markdown
33 lines
1.6 KiB
Markdown
# system.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.
|
||
|
||
[Original article](https://clickhouse.tech/docs/en/operations/system_tables/functions) <!--hide-->
|
||
|
||
**Example**
|
||
|
||
```sql
|
||
SELECT * FROM system.functions LIMIT 10;
|
||
```
|
||
|
||
```text
|
||
┌─name─────────────────────┬─is_aggregate─┬─case_insensitive─┬─alias_to─┐
|
||
│ sumburConsistentHash │ 0 │ 0 │ │
|
||
│ yandexConsistentHash │ 0 │ 0 │ │
|
||
│ demangle │ 0 │ 0 │ │
|
||
│ addressToLine │ 0 │ 0 │ │
|
||
│ JSONExtractRaw │ 0 │ 0 │ │
|
||
│ JSONExtractKeysAndValues │ 0 │ 0 │ │
|
||
│ JSONExtract │ 0 │ 0 │ │
|
||
│ JSONExtractString │ 0 │ 0 │ │
|
||
│ JSONExtractFloat │ 0 │ 0 │ │
|
||
│ JSONExtractInt │ 0 │ 0 │ │
|
||
└──────────────────────────┴──────────────┴──────────────────┴──────────┘
|
||
|
||
10 rows in set. Elapsed: 0.002 sec.
|
||
``` |