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-rw-r--r--sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala9
1 files changed, 6 insertions, 3 deletions
diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala
index 0eeb62ca2c..384ea211df 100644
--- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala
+++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala
@@ -692,11 +692,14 @@ private[hive] object HiveContext {
val CONVERT_METASTORE_PARQUET_WITH_SCHEMA_MERGING = booleanConf(
"spark.sql.hive.convertMetastoreParquet.mergeSchema",
defaultValue = Some(false),
- doc = "TODO")
+ doc = "When true, also tries to merge possibly different but compatible Parquet schemas in " +
+ "different Parquet data files. This configuration is only effective " +
+ "when \"spark.sql.hive.convertMetastoreParquet\" is true.")
val CONVERT_CTAS = booleanConf("spark.sql.hive.convertCTAS",
defaultValue = Some(false),
- doc = "TODO")
+ doc = "When true, a table created by a Hive CTAS statement (no USING clause) will be " +
+ "converted to a data source table, using the data source set by spark.sql.sources.default.")
val HIVE_METASTORE_SHARED_PREFIXES = stringSeqConf("spark.sql.hive.metastore.sharedPrefixes",
defaultValue = Some(jdbcPrefixes),
@@ -717,7 +720,7 @@ private[hive] object HiveContext {
val HIVE_THRIFT_SERVER_ASYNC = booleanConf("spark.sql.hive.thriftServer.async",
defaultValue = Some(true),
- doc = "TODO")
+ doc = "When set to true, Hive Thrift server executes SQL queries in an asynchronous way.")
/** Constructs a configuration for hive, where the metastore is located in a temp directory. */
def newTemporaryConfiguration(useInMemoryDerby: Boolean): Map[String, String] = {