Nóta
Teastaíonn údarú chun rochtain a fháil ar an leathanach seo. Is féidir leat triail a bhaint as shíniú isteach nó eolairí a athrú.
Teastaíonn údarú chun rochtain a fháil ar an leathanach seo. Is féidir leat triail a bhaint as eolairí a athrú.
Important
This feature is in Public Preview.
Returns the coordinate dimension of the input Geography or Geometry value.
For the corresponding Databricks SQL function, see st_ndims function.
Syntax
from pyspark.databricks.sql import functions as dbf
dbf.st_ndims(col=<col>)
Parameters
| Parameter | Type | Description |
|---|---|---|
col |
pyspark.sql.Column or str |
A Geography or Geometry value. |
Examples
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([('POINT ZM (10 34 48 -24)',)], ['wkt'])
df.select(dbf.st_ndims(dbf.st_geomfromtext('wkt')).alias('result')).collect()
[Row(result=4)]