ST_MultiLinestring

ST_MultiLinestring takes an array column and returns a linestring column. The input array column must contain an array of arrays point geometries.

FunctionSyntax
Pythonmultilinestring(*point_arrays)
SQLST_MultiLinestring(*point_arrays)
Scalamultilinestring(pointArrays)

For more details, go to the GeoAnalytics Engine API reference for multilinestring.

This function implements the OpenGIS Simple Features Implementation Specification for SQL 1.2.1.

Examples

PythonPythonSQLScala
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from geoanalytics.sql import functions as ST, Point

df = spark.createDataFrame([([[Point(2, 2), Point(1, 1)]], ), ([[Point(0, 0), Point(10, 0), Point(20, 0)], [Point(5, 2), Point(6, 10)]], )], ["point_arrays"])

df.select(ST.multilinestring("point_arrays").alias("multilinestring")).show(truncate=False)
Result
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+------------------------------------------------+
|multilinestring                                 |
+------------------------------------------------+
|{"paths":[[[2,2],[1,1]]]}                       |
|{"paths":[[[0,0],[10,0],[20,0]],[[5,2],[6,10]]]}|
+------------------------------------------------+

Version table

ReleaseNotes

1.0.0

Python and SQL functions introduced

1.5.0

Scala function introduced

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