zhengruifeng opened a new pull request, #40535:
URL: https://github.com/apache/spark/pull/40535
### What changes were proposed in this pull request?
Implement Avro functions
### Why are the changes needed?
For function parity
### Does this PR introduce _any_ user-facing change?
yes, new APIs
### How was this patch tested?
added doctest and manually check
```
(spark_dev) ➜ spark git:(connect_avro_functions) ✗ bin/pyspark --remote
"local[*]" --jars
connector/avro/target/scala-2.12/spark-avro_2.12-3.5.0-SNAPSHOT.jar
Python 3.9.16 (main, Mar 8 2023, 04:29:24)
Type 'copyright', 'credits' or 'license' for more information
IPython 8.11.0 -- An enhanced Interactive Python. Type '?' for help.
23/03/23 16:28:50 WARN NativeCodeLoader: Unable to load native-hadoop
library for your platform... using builtin-java classes where applicable
Setting default log level to "WARN".
To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use
setLogLevel(newLevel).
Welcome to
____ __
/ __/__ ___ _____/ /__
_\ \/ _ \/ _ `/ __/ '_/
/__ / .__/\_,_/_/ /_/\_\ version 3.5.0.dev0
/_/
Using Python version 3.9.16 (main, Mar 8 2023 04:29:24)
Client connected to the Spark Connect server at localhost
SparkSession available as 'spark'.
In [1]: >>> from pyspark.sql import Row
...: >>> from pyspark.sql.avro.functions import from_avro, to_avro
...: >>> data = [(1, Row(age=2, name='Alice'))]
...: >>> df = spark.createDataFrame(data, ("key", "value"))
...: >>> avroDf = df.select(to_avro(df.value).alias("avro"))
In [2]: avroDf.collect()
Out[2]: [Row(avro=bytearray(b'\x00\x00\x04\x00\nAlice'))]
```
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