Created
December 20, 2018 17:38
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| import scala.collection.JavaConversions._ | |
| import org.apache.hadoop.hive.metastore.HiveConf | |
| import org.apache.hadoop.hive.metastore.HiveMetaStoreClient | |
| import org.apache.spark.sql.SparkSession | |
| def getHivePartitionColumnNames(tableName: String): Seq[String] = { | |
| val spark: SparkSession = SparkSession.builder().enableHiveSupport().getOrCreate() | |
| val hiveConf = new HiveConf(spark.sparkContext.hadoopConfiguration, classOf[HiveConf]) | |
| val metastoreClient = new HiveMetaStoreClient(hiveConf) | |
| val Array(db, table) = tableName.split('.') | |
| metastoreClient.getTable(db, table).getPartitionKeys.map(_.getName).toSeq | |
| } |
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| scala> getHivePartitionColumnNames("event.navigationtiming") | |
| res33: Seq[String] = ArrayBuffer(year, month, day, hour) |
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