[PARQUET-235] Fix compatibility of parquet.metadata with 1.5.0

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.6.0
• Fix Version/s: 1.6.0
• Component/s: parquet-mr
• Assignee: Ryan Blue
• Reporter: Ryan Blue
• Created: 03/Apr/15 04:47
• Updated: 07/Apr/15 20:15
• Resolved: 07/Apr/15 20:15

Description

There are quite a few incompatible changes to parquet.metadata (see below). It seems like it is part of the API because the metadata is exposed. Fixing it will be annoying because ColumnPath was removed entirely.

If this is public, then we need to fix compatibility.

parquet.metadata changes

Class parquet.hadoop.metadata.Canonicalizer
 Removed Class , access public super synchronized
Class parquet.hadoop.metadata.ColumnChunkMetaData
 Added Method getPath, desc ()Lparquet/common/schema/ColumnPath;, access public
 Removed Method get, sig (Lparquet/hadoop/metadata/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set<Lparquet/column/Encoding;>;Lparquet/column/statistics/Statistics;JJJJJ)Lparquet/hadoop/metadata/ColumnChunkMetaData;, desc (Lparquet/hadoop/metadata/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set;Lparquet/column/statistics/Statistics;JJJJJ)Lparquet/hadoop/metadata/ColumnChunkMetaData;, access public static
 Added Method get, sig (Lparquet/common/schema/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set<Lparquet/column/Encoding;>;JJJJJ)Lparquet/hadoop/metadata/ColumnChunkMetaData;, desc (Lparquet/common/schema/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set;JJJJJ)Lparquet/hadoop/metadata/ColumnChunkMetaData;, access public static
 Added Method get, sig (Lparquet/common/schema/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set<Lparquet/column/Encoding;>;Lparquet/column/statistics/Statistics;JJJJJ)Lparquet/hadoop/metadata/ColumnChunkMetaData;, desc (Lparquet/common/schema/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set;Lparquet/column/statistics/Statistics;JJJJJ)Lparquet/hadoop/metadata/ColumnChunkMetaData;, access public static
 Removed Method getPath, desc ()Lparquet/hadoop/metadata/ColumnPath;, access public
 Removed Method get, sig (Lparquet/hadoop/metadata/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set<Lparquet/column/Encoding;>;JJJJJ)Lparquet/hadoop/metadata/ColumnChunkMetaData;, desc (Lparquet/hadoop/metadata/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set;JJJJJ)Lparquet/hadoop/metadata/ColumnChunkMetaData;, access public static
Class parquet.hadoop.metadata.ColumnChunkProperties
 Added Method getPath, desc ()Lparquet/common/schema/ColumnPath;, access public
 Removed Method getPath, desc ()Lparquet/hadoop/metadata/ColumnPath;, access public
 Removed Method get, sig (Lparquet/hadoop/metadata/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set<Lparquet/column/Encoding;>;)Lparquet/hadoop/metadata/ColumnChunkProperties;, desc (Lparquet/hadoop/metadata/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set;)Lparquet/hadoop/metadata/ColumnChunkProperties;, access public static
 Added Method get, sig (Lparquet/common/schema/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set<Lparquet/column/Encoding;>;)Lparquet/hadoop/metadata/ColumnChunkProperties;, desc (Lparquet/common/schema/ColumnPath;Lparquet/schema/PrimitiveType$PrimitiveTypeName;Lparquet/hadoop/metadata/CompressionCodecName;Ljava/util/Set;)Lparquet/hadoop/metadata/ColumnChunkProperties;, access public static
Class parquet.hadoop.metadata.ColumnPath
 Removed Class , access final public super synchronized

Issue Links

• blocks: PARQUET-211 Release parquet-mr 1.6.0
• links to: PR #166