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[multistage] Handle Column Less Tuples in BlockSplitter #16058

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itschrispeck merged 1 commit into from
Jun 10, 2025
Merged

[multistage] Handle Column Less Tuples in BlockSplitter #16058

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2 changes: 1 addition & 1 deletion pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/blocks/BlockSplitter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@ public Iterator<MseBlock.Data> visit(RowHeapDataBlock block, Integer maxBlockSiz
// Use estimated row size, this estimate is not accurate and is used to estimate numRowsPerChunk only.
DataSchema dataSchema = block.getDataSchema();
assert dataSchema != null;
int estimatedRowSizeInBytes = dataSchema.getColumnNames().length * MEDIAN_COLUMN_SIZE_BYTES;
int estimatedRowSizeInBytes = Math.max(1, dataSchema.getColumnNames().length * MEDIAN_COLUMN_SIZE_BYTES);
int numRowsPerChunk = maxBlockSize / estimatedRowSizeInBytes;
Preconditions.checkState(numRowsPerChunk > 0, "row size too large for query engine to handle, abort!");

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