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#    http://www.apache.org/licenses/LICENSE-2.0
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from pyspark.sql import SparkSession

spark = SparkSession\
    .builder\
    .appName("Cloudant Spark SQL Example in Python using temp tables")\
    .config("cloudant.host","ACCOUNT.cloudant.com")\
    .config("cloudant.username", "USERNAME")\
    .config("cloudant.password","PASSWORD")\
    .getOrCreate()


# ***1. Loading temp table from Cloudant db
spark.sql(" CREATE TEMPORARY TABLE airportTable USING org.apache.bahir.cloudant OPTIONS ( database 'n_airportcodemapping')")
airportData = spark.sql("SELECT _id, airportName FROM airportTable WHERE _id >= 'CAA' AND _id <= 'GAA' ORDER BY _id")
airportData.printSchema()
print ('Total # of rows in airportData: ' + str(airportData.count()))
for code in airportData.collect():
    print (code._id)


# ***2. Loading temp table from Cloudant search index
print ('About to test org.apache.bahir.cloudant for flight with index')
spark.sql(" CREATE TEMPORARY TABLE flightTable1 USING org.apache.bahir.cloudant OPTIONS ( database 'n_flight', index '_design/view/_search/n_flights')")
flightData = spark.sql("SELECT flightSegmentId, scheduledDepartureTime FROM flightTable1 WHERE flightSegmentId >'AA9' AND flightSegmentId<'AA95'")
flightData.printSchema()
for code in flightData.collect():
    print ('Flight {0} on {1}'.format(code.flightSegmentId, code.scheduledDepartureTime))