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doris/be/test/exec
Ashin Gau 1cc9eeeb1a [feature-wip](parquet-reader) read and generate array column (#12166)
Read and generate parquet array column.

When D=1, R=0, representing an empty array. Empty array is not a null value, so the NullMap for this row is false,
the offset for this row is [offset_start, offset_end) whose `offset_start == offset_end`,
and offset_end is the start offset of the next row, so there is no value in the nested primitive column.

When D=0, R=0, representing a null array, and the NullMap for this row is true.
2022-08-31 17:08:12 +08:00
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