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import datetime
from pyspark.sql import HiveContext
from pyspark.context import SparkContext
from pyspark.conf import SparkConf
from pyspark.sql import SQLContext
from pyspark.sql import SparkSession
from py4j.java_gateway import java_import
import pytispark.pytispark as pti
def test():
conf = SparkConf().setAppName("My App").set("spark.io.compression.codec", "lzf")
sc = SparkContext(conf = conf)
hive_context = HiveContext(sc)
hive_context.sql(''' select device["device_type"] from online.tl_hdfs_maidian_view
where partition_date = '20181012' and action = "page_view"
and params["page_name"] = "diary_detail" and params["referrer"] = "home" limit 10 ''').show(6)
def esmm_pre():
yesterday = (datetime.date.today() - datetime.timedelta(days=1)).strftime("%Y-%m-%d")
print(yesterday)
spark = SparkSession.builder.enableHiveSupport().getOrCreate()
# gw = SparkContext._gateway
#
# # Import TiExtensions
# java_import(gw.jvm, "org.apache.spark.sql.TiContext")
# Inject TiExtensions, and get a TiContext
# ti = gw.jvm.TiExtensions.getInstance(spark._jsparkSession).getOrCreateTiContext(spark._jsparkSession)
ti = pti.TiContext(spark)
ti.tidbMapDatabase("jerry_test")
# sql("use tpch_test")
spark.sql("select count(*) from esmm_pre_data").show(6)
# conf = SparkConf().setAppName("esmm_pre").set("spark.io.compression.codec", "lzf")
#
# spark.sql("""
# select concat(tmp1.device_id,",",tmp1.city_id) as device_city, tmp1.merge_queue from (select device_id,if(city_id='world','worldwide',city_id) city_id,similarity_cid as merge_queue from nd_device_cid_similarity_matrix
# union select device_id,if(city_id='world','worldwide',city_id) city_id,native_queue as merge_queue from ffm_diary_queue
# union select device_id,city_id,search_queue as merge_queue from search_queue) as tmp1 where tmp1.device_id in (select distinct device_id from data_feed_click where stat_date='{}'
# """.format(yesterday)).show(6)
if __name__ == '__main__':
esmm_pre()