last_day.sh

?

import os
os.environ["JAVA_HOME"] = "/usr/lib/jvm/java-8-openjdk-amd64"
os.environ["SPARK_HOME"] = "/content/spark-2.4.7-bin-hadoop2.7"
os.environ["PATH"] += ":/content/spark-2.4.7-bin-hadoop2.7/bin"

os.environ["SOURCE_TABLE"] = "Product"
os.environ["KUDU_TABLE_NAME"] = "Product"
os.environ["PRIMARY_KEY"] = "ProductID"

os.environ["IMPALA_TABLE_NAME"] = "welly.product"
os.environ["SPARK_CMD_ARGS"] = '%s %s %s'%(os.environ["SOURCE_TABLE"], os.environ["KUDU_TABLE_NAME"], os.environ["PRIMARY_KEY"]) 

%cd squdu/
!chmod +x ./ingest.sh
!./ingest.sh

:q

from impala.dbapi import connect
from impala.util import as_pandas

import sys
import os

conn = connect(host='178.128.112.105', port=21050) 
cursor = conn.cursor()

kudu_table_name = os.environ['KUDU_TABLE_NAME']
impala_table_name = os.environ['IMPALA_TABLE_NAME']

create_statment = 'CREATE EXTERNAL TABLE IF NOT EXISTS ' + impala_table_name + ' STORED AS KUDU TBLPROPERTIES("kudu.table_name" = "' + kudu_table_name + '");'

cursor.execute(create_statment)
print("table created")

cursor.execute('SELECT count(*) FROM ' + impala_table_name)

df = as_pandas(cursor)

print(df.head())