Converts a pcpoint or pcpatch object to a JSON string.
Syntax
text ST_asText(pcpatch pp);
text ST_asText(pcpoint pt);Parameters
| Parameter Name | Description |
| pp | A pcpatch object. |
| pt | A pcpoint object. |
Example
SELECT ST_asText('010100000064CEFFFF94110000703000000400'::pcpoint);
-------------------------------
{"pcid":1,"pt":[-127,45,124,4]}该文章对您有帮助吗？