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Summary of Hive Parquet support

Hive 0.10, 0.11, and 0.12

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Native Parquet support is pending for 0.13 via HIVE-5783.

Introduction to Parquet

Parquet (http://parquet.io/)  is an ecosystem wide columnar format for Hadoop. At the time of this writing it supports:

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The parquet project has an in-depth description of the format including motivations and diagrams.

Hive QL Syntax

Hive 0.10 - 0.12

CREATE TABLE parquet_test (
 id int,
 str string,
 mp MAP<STRING,STRING>,
 lst ARRAY<STRING>,
 strct STRUCT<A:STRING,B:STRING>) 
PARTITIONED BY (part string)
ROW FORMAT SERDE 'parquet.hive.serde.ParquetHiveSerDe'
 STORED AS
 INPUTFORMAT 'parquet.hive.DeprecatedParquetInputFormat'
 OUTPUTFORMAT 'parquet.hive.DeprecatedParquetOutputFormat';

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CREATE TABLE parquet_test (
 id int,
 str string,
 mp MAP<STRING,STRING>,
 lst ARRAY<STRING>,
 strct STRUCT<A:STRING,B:STRING>) 
PARTITIONED BY (part string)
STORED AS PARQUET;

Limitations

• Binary, timestamp, date, char, varchar or decimal support are pending (HIVE-6384)
• Create Table AS SELECT (CTAS) and column rename support are pending (HIVE-6375)