Default to TEXTFILE for LazySimpleSerDe and SymlinkTextInputFormat #11003
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Per Hive spec symlinks should default to TEXTFILE (https://hive.apache.org/javadocs/r2.1.1/api/org/apache/hadoop/hive/ql/io/SymlinkTextInputFormat.html). However Databricks Delta uses symlinks to point to Parquet files. Snowflake and Redshift Spectrum now also support the same non-standard use of Parquet+Symlink. Hence this PR defaults symlinks to TEXTFILE only for LazySimpleSerDe which is used by both TEXTFILE and SEQUENCEFILE.
findepi
approved these changes
Feb 10, 2022
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Per Hive spec symlinks should default to TEXTFILE
(https://hive.apache.org/javadocs/r2.1.1/api/org/apache/hadoop/hive/ql/io/SymlinkTextInputFormat.html).
However Databricks Delta uses symlinks to point to Parquet files.
Snowflake and Redshift Spectrum now also support the same non-standard use of Parquet+Symlink.
Hence this PR defaults symlinks to TEXTFILE only for LazySimpleSerDe
which is used by both TEXTFILE and SEQUENCEFILE.
Fixes: #10910