sqoop-import --connect jdbc:mysql://ms.itversity.com:3306/retail_db \
--username retail_user \
--password itversity \
--table orders \
--target-dir "/user/krishnatejathatavarthi/teja_aruns/solution01/orders" \
--compress \
--compression-codec "org.apache.hadoop.io.compress.SnappyCodec" \
--as-avrodatafile

sqoop-import --connect jdbc:mysql://ms.itversity.com:3306/retail_db \
--username retail_user \
--password itversity \
--table order_items \
--target-dir "/user/krishnatejathatavarthi/teja_aruns/solution01/order_items" \
--compress \
--compression-codec "org.apache.hadoop.io.compress.SnappyCodec" \
--as-avrodatafile

from pyspark import SparkContext,SparkConf,Row,HiveContext
import avro.schema

conf=SparkContext().setAppName("importExportTransformation").setMaster("yarn-client")
sc=SparkContext(conf=conf)
sqlContext=HiveContext(sc)

sqlContext.setConf("spark.sql.shuffle.partitions","8")
ordersDF=sqlContext.load("/user/krishnatejathatavarthi/teja_aruns/solution01/orders","com.databricks.spark.avro")
orderItemsDF=sqlContext.load("/user/krishnatejathatavarthi/teja_aruns/solution01/order_items","com.databricks.spark.avro")

ordersDF.registerTempTable("orders")
orderItemsDF.registerTempTable("order_items")

sqlResult=sqlContext.sql("select to_date(from_unixtime(cast(order_date/1000 as bigint))) orderDate,order_status,count(order_id) total_orders,cast(sum(order_item_subtotal) as DECIMAL(10,2)) total_amount from orders o join order_items oi on o.order_id=oi.order_item_order_id group by to_date(from_unixtime(cast(order_date/1000 as bigint))),order_status order by orderDate desc, order_status")

sqlResult.show()

sqlContext.setConf("spark.sql.parquet.compression.codec","gzip")
sqlResult.write.parquet("/user/krishnatejathatavarthi/teja_aruns/solution01/solution/");

sqlContext.setConf("spark.sql.csv.compression.codec","uncompressed")
sqlResult.map(lambda rec: str(rec[0])+","+str(rec[1])+","+str(rec[2])+","+str(rec[3])).saveAsTextFile("/user/krishnatejathatavarthi/teja_aruns/solution01/solutions_csv/")


create table retail_export.krishna_arun_resultOne(
order_date varchar(255) not null,
order_status varchar(255) not null,
total_orders int,
total_amount numeric,constraint pk_order_result primary key (order_date,order_status));

sqoop-export --connect jdbc:mysql://ms.itversity.com:3306/retail_export \
--username retail_user \
--password itversity \
--table krishna_arun_resultOne \
--export-dir "/user/krishnatejathatavarthi/teja_aruns/solution01/solutions_csv/" \
--columns "order_date,order_status,total_orders,total_amount"