groceryheist/cdsc_reddit
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Secondary sort for the by_author dataset should be CreatedAt.

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Nate E TeBlunthuis 2020-07-05 23:27:18 -07:00
parent 67857a3b05
commit 34185337c9
2 changed files with 2 additions and 2 deletions
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2
comments_2_parquet.py
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@ -1,7 +1,7 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import pyspark import pyspark
nfrom pyspark.sql import functions as f from pyspark.sql import functions as f
from pyspark.sql.types import * from pyspark.sql.types import *
from pyspark import SparkConf, SparkContext from pyspark import SparkConf, SparkContext
from pyspark.sql import SparkSession, SQLContext from pyspark.sql import SparkSession, SQLContext

2
submissions_2_parquet.py
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@ -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. # 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') 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") os.remove("/gscratch/comdata/output/reddit_submissions.parquet_temp")