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| |
| # ST_X |
| |
| Introduction: Returns the longitude (X coordinate) of a point geography. Returns `NULL` for non-point geographies and empty points. |
| |
| Format: |
| |
| `ST_X (A: Geography)` |
| |
| Return type: `Double` |
| |
| Since: `v1.9.1` |
| |
| SQL Example |
| |
| ```sql |
| SELECT ST_X(ST_GeogFromWKT('POINT (-73.9857 40.7484)')); |
| ``` |
| |
| Output: |
| |
| ``` |
| -73.9857 |
| ``` |
