HPCC-30583 Fix parquet column reads #9393

Job	Run time
check-skip	26s
Build platform and regress setup	1h 5m 9s
eclwatch-ui-tests	3m 1s
regression-jobs (hthor, [a-d]*.ecl)	8m 23s
regression-jobs (hthor, [e-h]*.ecl)	4m 35s
unittests	4m 0s
regression-jobs (hthor, [i-l]*.ecl)	7m 32s
regression-jobs (hthor, [m-q]*.ecl)	5m 41s
regression-jobs (hthor, [r-u]*.ecl, teststdlibrary.ecl)	13m 49s
regression-jobs (hthor, [v-z]*.ecl)	6m 21s
regression-jobs (thor, [a-d]*.ecl)	9m 6s
regression-jobs (thor, [e-h]*.ecl)	11m 47s
regression-jobs (thor, [i-l]*.ecl)	22m 38s
regression-jobs (thor, [m-q]*.ecl)	5m 41s
regression-jobs (thor, [r-u]*.ecl, teststdlibrary.ecl)	17m 45s
regression-jobs (thor, [v-z]*.ecl)	4m 22s
regression-jobs (roxie, [a-d]*.ecl)	8m 49s
regression-jobs (roxie, [e-h]*.ecl)	5m 41s
regression-jobs (roxie, [i-l]*.ecl)	8m 2s
regression-jobs (roxie, [m-q]*.ecl)	6m 41s
regression-jobs (roxie, [r-u]*.ecl, teststdlibrary.ecl)	18m 44s
regression-jobs (roxie, [v-z]*.ecl)	6m 14s
regression-jobs (hthor, teststdlibrary.ecl)	4m 49s
regression-jobs (thor, teststdlibrary.ecl)	6m 25s
regression-jobs (roxie, teststdlibrary.ecl)	5m 45s
	4h 21m 26s

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