getSrid(幾何學)

返回幾何的 SRID。

語法

getSrid()

退貨

int

Examples

from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([ {'geomwkt': '''POINT(17 7)'''} ])
g = df.select(dbf.st_geomfromwkt(df.geomwkt).alias("geom")).head().geom
g.getSrid()
# 0