Secondary sort for the by_author dataset should be CreatedAt.
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				| @ -1,7 +1,7 @@ | ||||
| 
 | ||||
| #!/usr/bin/env python3 | ||||
| import pyspark | ||||
| nfrom pyspark.sql import functions as f | ||||
| from pyspark.sql import functions as f | ||||
| from pyspark.sql.types import * | ||||
| from pyspark import SparkConf, SparkContext | ||||
| from pyspark.sql import SparkSession, SQLContext | ||||
|  | ||||
| @ -201,7 +201,7 @@ df2.write.parquet("/gscratch/comdata/output/reddit_submissions_by_subreddit.parq | ||||
| 
 | ||||
| 
 | ||||
| # we also want to have parquet files sorted by author then reddit.  | ||||
| df3 = df.sort(["author","subreddit","id","Year","Month","Day"],ascending=True) | ||||
| df3 = df.sort(["author","CreatedAt","subreddit","id","Year","Month","Day"],ascending=True) | ||||
| df3.write.parquet("/gscratch/comdata/output/reddit_submissions_by_author.parquet", partitionBy=["Year",'Month'], mode='overwrite') | ||||
| 
 | ||||
| os.remove("/gscratch/comdata/output/reddit_submissions.parquet_temp") | ||||
|  | ||||
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