Working version of reverse ETL code
Working version of reverse ETL code

smartpcr/hadoop-arch-book,hadooparchitecturebook/hadoop-arch-book,nvoron23/hadoop-arch-book,nvoron23/hadoop-arch-book,hadooparchitecturebook/hadoop-arch-book,smartpcr/hadoop-arch-book,hadooparchitecturebook/hadoop-arch-book,nvoron23/hadoop-arch-book,smartpcr/hadoop-arch-book