WebDec 12, 2024 · In Cell 1, read a DataFrame from a SQL pool connector using Scala and create a temporary table. Scala Copy %%spark val scalaDataFrame = spark.read.sqlanalytics ("mySQLPoolDatabase.dbo.mySQLPoolTable") scalaDataFrame.createOrReplaceTempView ( "mydataframetable" ) In Cell 2, query the data using Spark SQL. SQL Copy
scala - IndexOutOfBoundsException when writing dataframe into CSV …
WebTo load a CSV file you can use: Scala Java Python R val peopleDFCsv = spark.read.format("csv") .option("sep", ";") .option("inferSchema", "true") .option("header", "true") .load("examples/src/main/resources/people.csv") Find full example code at "examples/src/main/scala/org/apache/spark/examples/sql/SQLDataSourceExample.scala" … WebJan 9, 2024 · This package allows reading CSV files in local or distributed filesystem as Spark DataFrames . When reading files the API accepts several options: path: location of files. Similar to Spark can accept standard Hadoop globbing expressions. header: when set to true the first line of files will be used to name columns and will not be included in data. dr beth nosworthy
CSV Files - Spark 3.3.2 Documentation - Apache Spark
WebUse SparkSession.readto access this. Annotations @Stable() Source DataFrameReader.scala Since 1.4.0 Linear Supertypes Logging, AnyRef, Any Ordering Alphabetic By Inheritance Inherited DataFrameReader Logging AnyRef Any Hide All Show All Visibility Public All Value Members final def!=(arg0: Any): Boolean Definition Classes … WebDec 16, 2024 · Read CSV Spark API. SparkSession.read can be used to read CSV files. def csv(path: String): DataFrame Loads a CSV file and returns the result as a DataFrame. See … WebText Files Spark SQL provides spark.read ().text ("file_name") to read a file or directory of text files into a Spark DataFrame, and dataframe.write ().text ("path") to write to a text file. When reading a text file, each line becomes each row that has string “value” column by … enable ecdhe ciphers