返回 Geography 的 SRID。
Syntax
getSrid()
退货
int
示例
from pyspark.databricks.sql import functions as dbf
df = spark.createDataFrame([ {'geogwkt': '''POINT(17 7)'''} ])
g = df.select(dbf.st_geogfromwkt(df.geogwkt).alias("geog")).head().geog
g.getSrid()
# 4326