When using Spark, I can read data from multiple buckets using the * in the prefix. For example, my folder structure is as follows:
s3://bucket/folder/computation_date=2020-11-01/
s3://bucket/folder/computation_date=2020-11-02/
s3://bucket/folder/computation_date=2020-11-03/
etc.
Using PySpark, if I want to read all data for month 11, I can do:
input_bucket = [MY-BUCKET]
input_prefix = [MY-FOLDER/computation_date=2020-11-*]
df_spark = spark.read.parquet("s3://{}/{}/".format(input_bucket, input_prefix))
How I achieve the same functionality with Glue? The below does not seem to work:
input_bucket = [MY-BUCKET]
input_prefix = [MY-FOLDER/computation_date=2020-11-*]
df_glue = glueContext.create_dynamic_frame_from_options(
connection_type="s3",
connection_options = {
"paths": ["s3://{}/{}/".format(input_bucket, input_prefix)]
},
format="parquet",
transformation_ctx="df_spark")
I read the file using spark instead of Glue
glueContext = GlueContext(SparkContext.getOrCreate())
spark = glueContext.spark_session
input_bucket = [MY-BUCKET]
input_prefix = [MY-FOLDER/computation_date=2020-11-*]
df_spark = spark.read.parquet("s3://{}/{}/".format(input_bucket, input_prefix))