fix: support decimal statistic for row group prune#2966

Merged

alamb merged 2 commits intoapache:masterfrom liukun4515:support_row_group_decimal_prune

Jul 27, 2022

+342-16

Commits on Jul 26, 2022

support get the decimal statistics for pruning row group
liukun4515
committed

Commits on Jul 27, 2022

address comment: change function name and modify the ut
liukun4515
committed