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Disable creating zonemap index for too large column #5237

@yangzhg

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@yangzhg

If there are too large fields in the table, there may be only one row in each page, and this row also has a zone map index
This causes the stored data to expand three times the original data,
It also takes up more memory when reading those segments
Therefore, we need to Disable the creation of zonemap indexes for segments with too few rows

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