pralabhkumar opened a new pull request, #37009:
URL: https://github.com/apache/spark/pull/37009
### What changes were proposed in this pull request?
na filter is added in the read csv option . This is similar to na filter
option in pandas
data.csv
A,B,C
,val1,val2
val3
from pyspark import pandas as ps
import pandas as pd
ps.read_csv("data.csv")
A B C
0 None val1 val2
1 val3 None None
ps.read_csv("data.csv", na_filter=False)
A B C
0 val1 val2
1 val3
pd.read_csv("/Users/pralkuma/Desktop/rk_read_panda_csv/data.csv",
na_filter=False)
A B C
0 val1 val2
1 val3
pd.read_csv("/Users/pralkuma/Desktop/rk_read_panda_csv/data.csv")
A B C
0 NaN val1 val2
1 val3 NaN NaN
### Why are the changes needed?
Added na_filter option
### Does this PR introduce _any_ user-facing change?
yes
### How was this patch tested?
Unit test cases
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