Compact geometry encoding using delta-encoded coordinates. Achieves 3-4x smaller geometry storage and wire transfer compared to WKB.
Maintainer(s):
rustyconover
Compatibility Matrix
This table covers all DuckDB releases that have not reached end-of-life, including LTS releases, and shows the 2 most recent patch releases of each. Older patch releases are not listed, but the extension may be available for them as well.
| Platform | 1.4.4 | 1.4.5 | 1.5.5 | 1.5.6 | 2.0.0 |
|---|---|---|---|---|---|
| Linux AMD64 | |||||
| Linux ARM64 | |||||
| macOS AMD64 | |||||
| macOS ARM64 | |||||
| Windows AMD64 | |||||
| Windows ARM64 | |||||
| WebAssembly |
Installing and Loading
INSTALL geosilo FROM community;
LOAD geosilo;
About geosilo
For more information regarding usage, see the documentation.
Added Functions
| function_name | function_type | description | comment | examples |
|---|---|---|---|---|
| ST_Area | scalar | NULL | NULL | NULL |
| ST_GeometryType | scalar | NULL | NULL | NULL |
| ST_IsEmpty | scalar | NULL | NULL | NULL |
| ST_Length | scalar | NULL | NULL | NULL |
| ST_NPoints | scalar | NULL | NULL | NULL |
| ST_Perimeter | scalar | NULL | NULL | NULL |
| ST_X | scalar | NULL | NULL | NULL |
| ST_XMax | scalar | NULL | NULL | NULL |
| ST_XMin | scalar | NULL | NULL | NULL |
| ST_Y | scalar | NULL | NULL | NULL |
| ST_YMax | scalar | NULL | NULL | NULL |
| ST_YMin | scalar | NULL | NULL | NULL |
| geosilo_decode | scalar | NULL | NULL | NULL |
| geosilo_decode | scalar | NULL | NULL | NULL |
| geosilo_encode | scalar | NULL | NULL | NULL |
| geosilo_encode | scalar | NULL | NULL | NULL |
| geosilo_metadata | scalar | NULL | NULL | NULL |
| geosilo_metadata | scalar | NULL | NULL | NULL |
Overloaded Functions
This extension does not add any function overloads.
Added Types
| type_name | type_size | logical_type | type_category | internal |
|---|---|---|---|---|
| GEOSILO | 16 | BLOB | NULL | true |
Added Settings
This extension does not add any settings.