This function sorts all the pcpoint objects in a pcpatch object based on the specified attribute dimensions and returns a new pcpatch object that is composed of the sorted pcpoint objects.
Syntax
pcpatch ST_sort(pcpatch pc, text[] dimnames);Parameters
| Parameter | Description |
|---|---|
| pc | The pcpatch object. |
| dimnames | The array of attribute dimension names. |
Examples
update patches set pa=ST_Sort(pa, Array['y','x']);
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(1 rows)