H3_TO_PARENT
Returns the parent index containing the h3
at resolution parent_res
. Returning 0 means an error occurred.
Syntax
H3_TO_PARENT(h3, parent_res)
Examples
SELECT H3_TO_PARENT(635318325446452991, 12);
┌──────────────────────────────────────┐
│ h3_to_parent(635318325446452991, 12) │
├──────────────────────────────────────┤
│ 630814725819082751 │
└──────────────────────────────────────┘