replace

Replaces all occurrences of search with replace.

For the corresponding Databricks SQL function, see replace function.

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.replace(src=<src>, search=<search>, replace=<replace>)

Parameter	Type	Description
`src`	`pyspark.sql.Column` or `str`	A column of string to be replaced.
`search`	`pyspark.sql.Column` or `str`	A column of string, If `search` is not found in `str`, `str` is returned unchanged.
`replace`	`pyspark.sql.Column` or `str, optional`	A column of string, If `replace` is not specified or is an empty string, nothing replaces the string that is removed from `str`.

df = spark.createDataFrame([("ABCabc", "abc", "DEF",)], ["a", "b", "c"])
df.select(replace(df.a, df.b, df.c).alias('r')).collect()

[Row(r='ABCDEF')]

df.select(replace(df.a, df.b).alias('r')).collect()

[Row(r='ABC')]

หน้านี้มีประโยชน์หรือไม่