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Wenchen Fan 6959061f02 [SPARK-16706][SQL] support java map in encoder 
## What changes were proposed in this pull request?

finish the TODO, create a new expression `ExternalMapToCatalyst` to iterate the map directly.

## How was this patch tested?

new test in `JavaDatasetSuite`

Author: Wenchen Fan <wenchen@databricks.com>

Closes #14344 from cloud-fan/java-map.
2016-07-26 15:33:05 +08:00
..
avro [SPARK-10136] [SQL] Fixes Parquet support for Avro array of primitive array 2015-08-20 11:00:29 -07:00
gen-java/org/apache/spark/sql/execution/datasources/parquet/test/avro [SPARK-13401][SQL][TESTS] Fix SQL test warnings. 2016-03-22 21:08:11 -07:00
java/test/org/apache/spark/sql [SPARK-16706][SQL] support java map in encoder 2016-07-26 15:33:05 +08:00
resources [SPARK-15887][SQL] Bring back the hive-site.xml support for Spark 2.0 2016-06-13 14:57:35 -07:00
scala/org/apache/spark/sql [SPARK-16686][SQL] Remove PushProjectThroughSample since it is handled by ColumnPruning 2016-07-26 12:00:01 +08:00
scripts [SPARK-9407] [SQL] Relaxes Parquet ValidTypeMap to allow ENUM predicates to be pushed down 2015-08-12 20:01:34 +08:00
thrift [SPARK-9407] [SQL] Relaxes Parquet ValidTypeMap to allow ENUM predicates to be pushed down 2015-08-12 20:01:34 +08:00
README.md [SPARK-9407] [SQL] Relaxes Parquet ValidTypeMap to allow ENUM predicates to be pushed down 2015-08-12 20:01:34 +08:00

README.md

Notes for Parquet compatibility tests

The following directories and files are used for Parquet compatibility tests:

.
├── README.md                   # This file
├── avro
│   ├── *.avdl                  # Testing Avro IDL(s)
│   └── *.avpr                  # !! NO TOUCH !! Protocol files generated from Avro IDL(s)
├── gen-java                    # !! NO TOUCH !! Generated Java code
├── scripts
│   ├── gen-avro.sh             # Script used to generate Java code for Avro
│   └── gen-thrift.sh           # Script used to generate Java code for Thrift
└── thrift
    └── *.thrift                # Testing Thrift schema(s)

To avoid code generation during build time, Java code generated from testing Thrift schema and Avro IDL are also checked in.

When updating the testing Thrift schema and Avro IDL, please run gen-avro.sh and gen-thrift.sh accordingly to update generated Java code.

Prerequisites

Please ensure avro-tools and thrift are installed. You may install these two on Mac OS X via:

$ brew install thrift avro-tools