snowflake.snowpark.functions.h3_compact_cells_strings¶

snowflake.snowpark.functions.h3_compact_cells_strings(array_of_cell_ids: Union[snowflake.snowpark.column.Column, str]) → Column[source]¶

Returns a compacted array of H3 cell IDs by removing redundant cells that are covered by their parent cells at coarser resolutions.

Parameters:

array_of_cell_ids (ColumnOrName) – An array of H3 cell ID strings to be compacted.

Returns:

The compacted array of H3 cell ID strings.

Return type:

Column

Example:

>>> df = session.create_dataframe([[
...     ['8a2a10705507fff', '8a2a1070550ffff', '8a2a10705517fff', '8a2a1070551ffff',
...      '8a2a10705527fff', '8a2a1070552ffff', '8a2a10705537fff', '8a2a10705cdffff']
... ]], schema=["cell_ids"])
>>> df.select(h3_compact_cells_strings("cell_ids").alias("compacted")).collect()
[Row(COMPACTED='[\n  "8a2a10705cdffff",\n  "892a1070553ffff"\n]')]
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