Test for loading Iceberg table using relative path

Iceberg_table_Relative_path_loading

bash-3.2$ ls -d test/iceberg-people
test/iceberg-people


spark-shell  --jars runtime/build/libs/iceberg-runtime.jar

import org.apache.spark.sql.types._ ;
import org.apache.iceberg.hadoop.HadoopTables;
import org.apache.iceberg.Schema;
import org.apache.iceberg.spark.SparkSchemaUtil

val schema = new StructType().add("age", IntegerType).add("name", StringType).add("friends", MapType(StringType, IntegerType)).add("location", new StructType().add("lat", DoubleType).add("lon", DoubleType))

// load any pre-generated Iceberg table using a relative path
val iceDf = spark.read.format("iceberg").load("test/iceberg-people")

iceDf.createOrReplaceTempView("iceberg_people")

// fails here 
spark.sql("select * from iceberg_people where age = 30").show()