Spark讀取avro格式數據


[root@centos00 ~]$ cd /opt/cdh5.14.2/spark-2.2.1-cdh5.14.2/jars
[root@centos00 jars]$ pwd
/opt/cdh5.14.2/spark-2.2.1-cdh5.14.2/jars
[root@centos00 jars]$ wget https://repo1.maven.org/maven2/com/databricks/spark-avro_2.11/4.0.0/spark-avro_2.11-4.0.0.jar
[root@centos00 spark-2.2.1-cdh5.14.2]$ bin/spark-shell --master local[2] --jars ./jars/spark-avro_2.11-4.0.0.jar
scala> val df = spark.read.format("com.databricks.spark.avro").load("file:///opt/cdh5.14.2/spark-2.2.1-cdh5.14.2/examples/src/main/resources/users.avro")
df: org.apache.spark.sql.DataFrame = [name: string, favorite_color: string ... 1 more field]

scala> df.show(false)
+------+--------------+----------------+
|name  |favorite_color|favorite_numbers|
+------+--------------+----------------+
|Alyssa|null          |[3, 9, 15, 20]  |
|Ben   |red           |[]              |
+------+--------------+----------------+

  


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