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39 lines
968 B
Python
39 lines
968 B
Python
from pyspark.sql import SparkSession
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DATA_DIR = "../resources/data"
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TEST_CASE_NAME = "PythonHdfsIn2HiveCreateTable"
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TEST_DB = TEST_CASE_NAME
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spark = SparkSession \
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.builder \
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.appName(TEST_CASE_NAME) \
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.enableHiveSupport() \
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.getOrCreate()
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def tbl(tbl_name):
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return TEST_DB + "." + tbl_name
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spark.sql("DROP DATABASE IF EXISTS " + TEST_DB + " CASCADE")
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spark.sql("CREATE DATABASE IF NOT EXISTS " + TEST_DB)
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spark.sql("DROP TABLE IF EXISTS " + tbl("foo3"))
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df1 = spark.read \
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.option("header", "true") \
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.csv(DATA_DIR + "/in1.csv") \
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.withColumnRenamed("c1", "a") \
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.withColumnRenamed("c2", "b")
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df2 = spark.read \
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.option("header", "true") \
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.csv(DATA_DIR + "/in2.csv") \
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.withColumnRenamed("c1", "c") \
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.withColumnRenamed("c2", "d")
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df = df1.join(df2, "id").drop("id")
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df.write.mode('overwrite').saveAsTable(tbl("foo3")) # CreateDataSourceTableAsSelectCommand
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spark.stop()
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