xudong963 opened a new issue, #3291:
URL: https://github.com/apache/arrow-datafusion/issues/3291
**Describe the bug**
```
Error: ArrowError(ExternalError(ArrowError(ExternalError(Execution("Arrow
error: External error: Arrow error: External error: Execution error: Arrow
error: External error: Arrow error: External error: Execution error: Arrow
error: External error: Arrow error: External error: Execution error: Arrow
error: External error: Arrow error: External error: Execution error: Arrow
error: External error: Arrow error: External error: Execution error: Arrow
error: External error: Execution error: Arrow error: Parser error: Error
parsing line 14999998: Error(UnequalLengths { pos: Some(Position { byte:
2463490006, line: 14999999, record: 14999998 }), expected_len: 9, len: 3
})")))))
```
**To Reproduce**
command:
```
./tpch-gen.sh 100
cargo run --release --bin tpch -- benchmark datafusion --iterations 1 --path
./data --format tbl --query 5 --batch-size 4096
```
**Expected behavior**
A clear and concise description of what you expected to happen.
**Additional context**
Add any other context about the problem here.
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