csringhofer opened a new pull request, #17112:
URL: https://github.com/apache/iceberg/pull/17112
Add GEOMETRY and GEOGRAPHY cases to HiveSchemaUtil.convertToTypeString,
mapping them to "binary".
"binary" was chosen instead of "unknown" because geometry/geography are
WKB-encoded byte arrays - older readers not familiar with Iceberg/Parquet
GEOMETRY can still read the created Parquet files by reading the column as
BINARY and converting from WKB to their representation (st_GeomFromWKB() in
Hive).
Motivation:
Bumped into this while integrating Iceberg geometry support into Apache
Impala, which uses the Hive catalog for tests. Creating a table with a geometry
column would throw UnsupportedOperationException from the default
branch of the switch. By patching HiveSchemaUtil in Iceberg I as able to
create tables with GEOMETRY columns.
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