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Add header while generating csv format data and infer schema and header when creating external table. #188

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Add header while generating csv format data and infer schema and header when creating external table. #188

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5 changes: 3 additions & 2 deletions src/main/scala/com/databricks/spark/sql/perf/Tables.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -233,7 +233,7 @@ abstract class Tables(sqlContext: SQLContext, scaleFactor: String,
data.write
}
}
writer.format(format).mode(mode)
writer.format(format).mode(mode).option(key = "header", value = true)
if (partitionColumns.nonEmpty) {
writer.partitionBy(partitionColumns : _*)
}
Expand All @@ -254,7 +254,8 @@ abstract class Tables(sqlContext: SQLContext, scaleFactor: String,
if (!tableExists || overwrite) {
println(s"Creating external table $name in database $databaseName using data stored in $location.")
log.info(s"Creating external table $name in database $databaseName using data stored in $location.")
sqlContext.createExternalTable(qualifiedTableName, location, format)
sqlContext.createExternalTable(qualifiedTableName, format, Map( "path" -> location,
"header" -> "true", "inferSchema" -> "true"))
}
if (partitionColumns.nonEmpty && discoverPartitions) {
println(s"Discovering partitions for table $name.")
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