feat: Add iceberg.schema to footer for compatibility#2249
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vovacf201 wants to merge 4 commits intoapache:mainfrom
Open
feat: Add iceberg.schema to footer for compatibility#2249vovacf201 wants to merge 4 commits intoapache:mainfrom
iceberg.schema to footer for compatibility#2249vovacf201 wants to merge 4 commits intoapache:mainfrom
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* mock change * remove fmt * add unit tests * fix tests * format * commit
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This PR adds the
iceberg.schemakey-value metadata to the Parquet file footer.It embeds the full Iceberg schema JSON (including field IDs, types, and schema ID) into the Parquet file footer metadata, which is required for compatibility with downstream readers.
Changes:
ICEBERG_SCHEMA_KEYconstant for theiceberg.schemametadata keyadd_iceberg_schema_metadatamethod toParquetWriterBuilderthat injects the schema JSON into writer propertiesCherry-picked from risingwavelabs/iceberg-rust commit 18a0e83