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Imports and Integer typo

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Max O'Cull 2019-04-20 22:33:14 -04:00
parent b9adcde936
commit 074c4614de
1 changed files with 2 additions and 1 deletions
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p4/src/main/java/cs448/Project4.java
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@ -8,6 +8,7 @@ import org.apache.log4j.Logger;
import org.apache.spark.api.java.JavaPairRDD;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.Optional;
import org.apache.spark.api.java.function.MapFunction;
import org.apache.spark.api.java.function.Function;
import org.apache.spark.api.java.function.Function2;
import org.apache.spark.sql.Dataset;
@ -137,7 +138,7 @@ public class Project4 {
Dataset<Row> resultDF = spark.sql("SELECT DISTINCT CONVERT(varchar(10), m.movieId) FROM Movie m, Rating r, User u WHERE m.movieId = r.movieId AND r.userId = u.userId AND u.occupation = " +
conf.q3Occupation + " AND r.rating = " + conf.q3Rating);
resultDF.show();
resultDF.map((MapFunction<Row, String>) row -> "" + row.getInteger(0), Encoders.STRING());
resultDF.map((MapFunction<Row, String>) row -> "" + row.getInt(0), Encoders.STRING());
resultDF.write().text(CS448Utils.resolveUri(conf.outPath, "query-3"));
//Don't forget to stop spark session