在 PySpark 中使用时区在日期时间范围之间过滤镶木地板文件 [英] Filter between datetime ranges with timezone in PySpark for parquet files

问题描述

基于 此处，我想知道如何使用 PySpark 过滤带有时区的日期时间范围.

Based on the suggestion from here, I would like to know how do I filter the datetime ranges with timezone using PySpark.

我的数据如下所示:

ABC, 2020-06-22T19:17:16.428+0000

ABC, 2020-06-22T19:17:16.428+0000

DEF，2020-06-22T19:17:16.435+0000

DEF, 2020-06-22T19:17:16.435+0000

JKL，2020-06-22T19:17:16.468+0000

JKL, 2020-06-22T19:17:16.468+0000

移动网络运营商，2020-06-22T19:17:16.480+0000

MNO, 2020-06-22T19:17:16.480+0000

XYZ, 2020-06-22T19:17:16.495+0000

XYZ, 2020-06-22T19:17:16.495+0000

在这种情况下，我只想提取那些毫秒数在 400-450 之间的记录.

I would only like to extract those records that has milliseconds between 400-450 in this case.

试过了，但没有用:

import pyspark.sql.functions as func
df = df.select(func.to_date(df.UpdatedOn).alias("time"))
sf = df.filter(df.time > '2020-06-22T19:17:16.400').filter(df.time < '2020-06-22T19:17:16.451')

推荐答案

当你使用 to_date 时它会截断时间，所以你必须使用 to_timestamp 并比较它.

When you use to_date it will truncate the hours, so you have to use to_timestamp and compare it.

df.withColumn('date', to_timestamp('date')) \
  .filter("date between to_timestamp('2020-06-22T19:17:16.400') and to_timestamp('2020-06-22T19:17:16.451')") \
  .show(10, False)

+---+-----------------------+
|id |date                   |
+---+-----------------------+
|ABC|2020-06-22 19:17:16.428|
|DEF|2020-06-22 19:17:16.435|
+---+-----------------------+

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