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SPARK-2854
Finalize _acceptable_types in pyspark.sqlSPARK-2784
Make language configurable using SQLConf instead of hql/sql functions
Basic support for analyze in HiveContext
Add config property to disable incremental collection used in Thrift server
In-Memory relation has a bad default size.
Failure with push down of conjunctive parquet predicates
Remove scalalogging dependency in Spark SQL
Parquet has issues with capital letters and case insensitivity
Rename registerAsTable to registerTempTable
Batched in-memory column buffer building doesn't work for SchemaRDDs with empty partitions
ShutdownHookManager is only available in Hadoop 2.x
Doctest of inferSchema in Spark SQL Python API fails
Add ArrayType containing null value support to Parquet.
Add MapType containing null value support to Parquet.
Allow JDBC clients to set a fair scheduler pool
Python UDFS broken in Spark SQL
HiveThriftServer2 throws exception when the result set contains NULLSPARK-3092
Always include the thriftserver when -Phive is enabled.SPARK-3091
Add support for caching metadata on Parquet files
Thrift/JDBC Server
Get rid of LocalHiveContext
LIMIT queries ship a whole partition of data for in-memory tables
UDF Support
Support for nested data in PySpark SQL
Reading Parquet tables from Metastore mangles location
Spark SQL migration guide for Shark users
CachedTableSuite SQL Tests are Failing
Initial Partitioned Parquet SupportSPARK-2212
Hash Outer Joins
spark-sql script ends with IOException when EventLogging is enabled
Make ScalaReflection be able to handle ArrayType.containsNull and MapType.valueContainsNull.
Several SQL unit test failed when sort-based shuffle is enabled
DROP TABLE should also uncache table
Support for Hive UDFs that take arrays of structs as arguments
Provide a good error message if JDBC server is used but Spark is not compiled with -Pthriftserver
Resolving CASE WHEN throws None.get exception
Having clause with no references fails to resolve
Caching tables larger than memory causes OOMs
Customized UDFs in hive not running with Spark SQL
Public API for DataTypes and Schema
Specialized ColumnType for Timestamp
Reading Parquet InputSplits dominates query execution time when reading off S3
Code Generation for Expression Evaluation
SPARK-2560
Create Spark SQL syntax reference
Simple cost estimation and auto selection of broadcast join
Add broadcast hash join operator
HiveTableScan is slow
Add configureInputJobPropertiesForStorageHandler to initialization of job conf
Existing JVM Hive Context not correctly used in Python Hive Context
SchemaRDDs don't support unpersist()