thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-10 09:32:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix formatting of compression/expansion levels

Browse Source
This commit is contained in:
Blargian 2024-03-05 15:47:45 +01:00
parent bfb703b579
commit 7930a26df1
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
docs/en/sql-reference/functions/encoding-functions.md
View File

@ -478,12 +478,12 @@ SELECT mortonEncode(1, 2, 3);
Accepts a range mask ([tuple](../../sql-reference/data-types/tuple.md)) as a first argument and up to 8 [unsigned integers](../../sql-reference/data-types/int-uint.md) as other arguments. Accepts a range mask ([tuple](../../sql-reference/data-types/tuple.md)) as a first argument and up to 8 [unsigned integers](../../sql-reference/data-types/int-uint.md) as other arguments.
Each number in the mask configures the amount of range expansion: Each number in the mask configures the amount of range expansion:<br/>
1 - no expansion 1 - no expansion<br/>
2 - 2x expansion 2 - 2x expansion<br/>
3 - 3x expansion 3 - 3x expansion<br/>
... ...<br/>
Up to 8x expansion. Up to 8x expansion.<br/>
**Syntax** **Syntax**
@ -596,12 +596,12 @@ SELECT mortonDecode(3, 53);
### Expanded mode ### Expanded mode
Accepts a range mask (tuple) as a first argument and the code as the second argument. Accepts a range mask (tuple) as a first argument and the code as the second argument.
Each number in the mask configures the amount of range shrink Each number in the mask configures the amount of range shrink:<br/>
1 - no shrink 1 - no shrink<br/>
2 - 2x shrink 2 - 2x shrink<br/>
3 - 3x shrink 3 - 3x shrink<br/>
... ...<br/>
Up to 8x shrink. Up to 8x shrink.<br/>
Range expansion can be beneficial when you need a similar distribution for arguments with wildly different ranges (or cardinality) Range expansion can be beneficial when you need a similar distribution for arguments with wildly different ranges (or cardinality)
For example: 'IP Address' (0...FFFFFFFF) and 'Country code' (0...FF). For example: 'IP Address' (0...FFFFFFFF) and 'Country code' (0...FF).