st_makeline

Important

This feature is in Public Preview.

Returns a linestring geometry whose points are the non-empty points of the geometries in the input array of geometries, which are expected to be points, linestrings, or multipoints.

For the corresponding Databricks SQL function, see st_makeline function.

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.st_makeline(col=<col>)

Parameters

Parameter	Type	Description
col	pyspark.sql.Column or str	An array of Geometry values.

Examples

from pyspark.databricks.sql import functions as dbf
from pyspark.sql.functions import array, expr
df = spark.createDataFrame([(['POINT(1 2)','POINT(3 4)'],)], ['wkt_array'])
df.select(dbf.st_astext(dbf.st_makeline(expr("transform(wkt_array, wkt -> st_geomfromtext(wkt))"))).alias('result')).collect()

[Row(result='LINESTRING(1 2,3 4)')]