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Vamsi Prabhala

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1602.23 (1,683rd) 		Reputation
42,592 (2,548th)
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Title Δ
How to compare datetime row objects in pyspark +0.34
Equivalent of zfill() in impala 0.00
Change all row values in a window pyspark dataframe based on a cond... -0.42
How do I calculate percentages over groups in spark? -0.67
Previous item search in apache spark 0.00
Pyspark Dataframe Filter Condition with boolean and String in &... 0.00
How to create an additional column with the percentages related to... +0.84
spark sql - converting date from MMM dd, yyyy to yy-MMM-dd -0.44
How to replace NULL values in one column to 0 (of a very large tabl... 0.00
Update Spark DataFrame based on values of another Spark Dataframe 0.00
hive combing array<string> to one string 0.00
How to take x most frequent location by hour with pyspark? 0.00
How to find average of a array column based on index in pyspark -2.32
spark - get average of past N records excluding the current record 0.00
Merge columns in hive 0.00
Find out per day the first trip duration and last trip duration of... -1.60
(One table) get rows not in without union -0.97
Applying the complex UDF for group of records , I think UDF are nee... 0.00
How to find the difference between 1st row and nth row of a datafra... 0.00
How to use array_contains in hive 0.00
Spark Window - How to compare first row with nth row of a data frame? 0.00
Spark: How to build semi-additive metrics or aggregate sum over a p... 0.00
Automating Repeated Unions +1.32
Selecting rows with multiple primary keys +1.44
Selecting Value Between a Range of Values in hive 0.00
PySpark: Populating a column based on the last occurance of one of... -0.31
Hive query to find the count for the weeks in middle -0.14
In Hive, how to combine multiple rows from joined table as single J... 0.00
Is there way to extract unique values from a comma seperated string... 0.00
Oracle SQL Conditional SUM -0.56
Oracle SQL: Splitting a group by based on multiple rows criteria 0.00
How to subtract two DataFrames keeping duplicates in Spark 2.3.0 0.00
Pyspark - Add Rows By Group 0.00
Summing array elements in Hive 0.00
How to fill null values with a aggregate of a group using PySpark 0.00
How to change UAD rate to CAD rate in hive table 0.00
How to associate an online order with several preceding website vis... -2.25
SQL query: how to check existence of *multiple* rows and columns wi... -2.11
Spark lag with default value as another column 0.00
Conditional SELECT over month-based records in Hive 0.00
With statements inside an Insert statement HIVE EMR AWS 0.00
Flag someone if he purchased same product before and if he purchase... -1.13
Last 3 months average next to current month value in hive 0.00
How to convert a date to string in format YYYYMMDD? 0.00
How to get last one month's data from a table based on current... 0.00
Hive combining full outer join and not in? 0.00
Hive:Create a table to load data from datetime partition table to y... 0.00
PySpark DataFrame: Find closest value and slice the DataFrame -0.39
How to get current unix epoch in Hive 0.00
Average quantity per month on a table for a specific row SQL -0.69