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between

Überprüfen Sie, ob sich der Spaltenwert zwischen unterer und oberer Grenze (einschließlich) befindet.

Syntax

between(lowerBound, upperBound)

Parameter

Parameter Typ Beschreibung
lowerBound Wert oder Spalte Wert für untere Grenze
upperBound Wert oder Spalte Wert der oberen Grenze

Rückkehr

Spalte (boolescher Wert)

Beispiele

Verwenden zwischen ganzzahligen Werten:

df = spark.createDataFrame([(2, "Alice"), (5, "Bob")], ["age", "name"])
df.select(df.name, df.age.between(2, 4)).show()
# +-----+---------------------------+
# | name|((age >= 2) AND (age <= 4))|
# +-----+---------------------------+
# |Alice|                       true|
# |  Bob|                      false|
# +-----+---------------------------+

Verwenden zwischen Zeichenfolgenwerten:

df = spark.createDataFrame([("Alice", "A"), ("Bob", "B")], ["name", "initial"])
df.select(df.name, df.initial.between("A", "B")).show()
# +-----+-----------------------------------+
# | name|((initial >= A) AND (initial <= B))|
# +-----+-----------------------------------+
# |Alice|                               true|
# |  Bob|                               true|
# +-----+-----------------------------------+

Verwenden zwischen Gleitkommawerten:

df = spark.createDataFrame(
    [(2.5, "Alice"), (5.5, "Bob")], ["height", "name"])
df.select(df.name, df.height.between(2.0, 5.0)).show()
# +-----+-------------------------------------+
# | name|((height >= 2.0) AND (height <= 5.0))|
# +-----+-------------------------------------+
# |Alice|                                 true|
# |  Bob|                                false|
# +-----+-------------------------------------+

Verwenden zwischen Datumswerten:

import pyspark.sql.functions as sf
df = spark.createDataFrame(
    [("Alice", "2023-01-01"), ("Bob", "2023-02-01")], ["name", "date"])
df = df.withColumn("date", sf.to_date(df.date))
df.select(df.name, df.date.between("2023-01-01", "2023-01-15")).show()
# +-----+-----------------------------------------------+
# | name|((date >= 2023-01-01) AND (date <= 2023-01-15))|
# +-----+-----------------------------------------------+
# |Alice|                                           true|
# |  Bob|                                          false|
# +-----+-----------------------------------------------+

Verwenden zwischen Zeitstempelwerten:

import pyspark.sql.functions as sf
df = spark.createDataFrame(
    [("Alice", "2023-01-01 10:00:00"), ("Bob", "2023-02-01 10:00:00")],
    schema=["name", "timestamp"])
df = df.withColumn("timestamp", sf.to_timestamp(df.timestamp))
df.select(df.name, df.timestamp.between("2023-01-01", "2023-02-01")).show()
# +-----+---------------------------------------------------------+
# | name|((timestamp >= 2023-01-01) AND (timestamp <= 2023-02-01))|
# +-----+---------------------------------------------------------+
# |Alice|                                                     true|
# |  Bob|                                                    false|
# +-----+---------------------------------------------------------+