Page History

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Native Parquet support was added to Hive 0.13 via (HIVE-5783). Please note that not all Parquet data types are supported in this version (see Versions and Limitations below).

HiveQL Syntax

A CREATE TABLE statement can specify the Parquet storage format with syntax that depends on the Hive version.

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Support was added for timestamp (HIVE-6394), decimal (HIVE-6367), and char and varchar (HIVE-7735) data types.   Support was also added for column rename with use of the flag parquet.column.index.access (HIVE-6938). Parquet column names were previously case sensitive (query had to use column case that matches exactly what was in the metastore), but became case insensitive (HIVE-7554).

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Support for remaining Parquet data types was added to Hive 1.2.0 via (HIVE-6384).

Resources

• Parquet Website
• Format specification
• Feature Matrix
• The striping and assembly algorithms from the Dremel paper
• Dremel paper
• Dremel made simple with Parquet