benchmark q14 produces incorrect result

[andygrove]

Describe the bug

running 1 test
Running benchmarks with the following options: DataFusionBenchmarkOpt { query: 14, debug: false, iterations: 1, partitions: 2, batch_size: 8192, path: "/home/andy/git/apache/arrow-datafusion/benchmarks/data", file_format: "tbl", mem_table: false, output_path: None, disable_statistics: false }
Query 14 iteration 0 took 2755.9 ms and returned 1 rows
Query 14 avg time: 2755.92 ms
expected_fields: [Field { name: "promo_revenue", data_type: Decimal128(38, 2), nullable: true, dict_id: 0, dict_is_ordered: false, metadata: None }]
transformed_fields: [Field { name: "promo_revenue", data_type: Decimal128(38, 2), nullable: true, dict_id: 0, dict_is_ordered: false, metadata: None }]
thread 'tests::verify_q14' panicked at 'assertion failed: `(left == right)`
  left: `["16.38"]`,
 right: `["0.00"]`', benchmarks/src/bin/tpch.rs:1008:13
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
test tests::verify_q14 ... FAILED

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