fix: include per-column details in exportBatch row count mismatch error#4214
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andygrove wants to merge 1 commit intoapache:mainfrom
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fix: include per-column details in exportBatch row count mismatch error#4214andygrove wants to merge 1 commit intoapache:mainfrom
andygrove wants to merge 1 commit intoapache:mainfrom
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When columns in a batch have mismatched row counts, the error message now reports each column's index, row count, and vector class name instead of just the distinct row counts. This helps diagnose the root cause of issues like apache#4211.
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Summary
NativeUtil.exportBatchdetects columns with mismatched row counts, the error message now includes each column's index, row count, and vector class name[ArrayBuffer(8192, 0)]), making it hard to identify which column was problematiccol[0]=8192 (CometDecodedVector), col[1]=8192 (CometDecodedVector), col[2]=0 (CometPlainVector)Context
This improves diagnostics for #4211 where
native_iceberg_compatscans at scale hit this error. Knowing the column index and vector type will help identify the root cause.Test plan
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