PERF-#0000: avoid `columnarize` function call #14067

Job	Run time
lint (black and isort)	24s
lint (mypy)	1m 56s
execution-filter	4s
lint (flake8)	19s
Test API, headers and no-engine mode	2m 30s
test-internals	8m 10s
Test BaseOnPython execution, Python 3.9	9m 17s
Test HDK storage format, Python 3.9	3m 13s
test-clean-install-ubuntu	1m 5s
test-asv-benchmarks	21s
test-clean-install-windows	4m 19s
test-ubuntu (engine python, python 3.9, group_1)	10m 42s
test-windows (engine python, python 3.9, group_1)	10m 47s
test experimental	4m 33s
test-ubuntu (engine unidist ${{ matrix.unidist-backend }}, python ${{ matrix.python-version }})	0s
test (pyarrow, python 3.9)	4m 22s
test-spreadsheet (engine ray, python 3.9)	2m 44s
test-ubuntu-sanity (engine ray, python 3.9)	5m 36s
test-spreadsheet (engine dask, python 3.9)	3m 44s
test-ubuntu-sanity (engine dask, python 3.9)	6m 33s
test-ubuntu-sanity (engine unidist, python 3.9)	6m 26s
test-windows-sanity (engine ray, python 3.9)	5m 16s
test-windows-sanity (engine dask, python 3.9)	5m 20s
test-windows-sanity (engine unidist, python 3.9)	5m 15s
upload-coverage	20s
	1h 43m 16s

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