Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/12271#discussion_r59580227
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala
---
@@ -675,34 +680,38 @@ private[hive] class HiveClientImpl(
private def toHiveTable(table: CatalogTable): HiveTable = {
val hiveTable = new HiveTable(table.database, table.identifier.table)
- // For EXTERNAL_TABLE/MANAGED_TABLE, we also need to set EXTERNAL
field in
- // the table properties accodringly. Otherwise, if EXTERNAL_TABLE is
the table type
- // but EXTERNAL field is not set, Hive metastore will change the type
to
- // MANAGED_TABLE (see
- //
metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java#L1095-L1105)
+ // For EXTERNAL_TABLE, we also need to set EXTERNAL field in the table
properties.
+ // Otherwise, Hive metastore will change the table to a MANAGED_TABLE.
+ //
(metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java#L1095-L1105)
hiveTable.setTableType(table.tableType match {
case CatalogTableType.EXTERNAL_TABLE =>
hiveTable.setProperty("EXTERNAL", "TRUE")
HiveTableType.EXTERNAL_TABLE
case CatalogTableType.MANAGED_TABLE =>
- hiveTable.setProperty("EXTERNAL", "FALSE")
HiveTableType.MANAGED_TABLE
case CatalogTableType.INDEX_TABLE => HiveTableType.INDEX_TABLE
case CatalogTableType.VIRTUAL_VIEW => HiveTableType.VIRTUAL_VIEW
})
- hiveTable.setFields(table.schema.map(toHiveColumn).asJava)
- hiveTable.setPartCols(table.partitionColumns.map(toHiveColumn).asJava)
+ // Note: In Hive the schema and partition columns must be disjoint sets
+ val (partCols, schema) = table.schema.map(toHiveColumn).partition { c
=>
+ table.partitionColumnNames.contains(c.getName)
+ }
+ hiveTable.setFields(schema.asJava)
+ hiveTable.setPartCols(partCols.asJava)
// TODO: set sort columns here too
+ hiveTable.setBucketCols(table.bucketColumnNames.asJava)
hiveTable.setOwner(conf.getUser)
hiveTable.setNumBuckets(table.numBuckets)
hiveTable.setCreateTime((table.createTime / 1000).toInt)
hiveTable.setLastAccessTime((table.lastAccessTime / 1000).toInt)
table.storage.locationUri.foreach { loc =>
shim.setDataLocation(hiveTable, loc) }
table.storage.inputFormat.map(toInputFormat).foreach(hiveTable.setInputFormatClass)
table.storage.outputFormat.map(toOutputFormat).foreach(hiveTable.setOutputFormatClass)
- table.storage.serde.foreach(hiveTable.setSerializationLib)
+ hiveTable.setSerializationLib(
+
table.storage.serde.getOrElse("org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe"))
--- End diff --
why are there all these undocumented implicit behaviors in Hive :(
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