minghong comments

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                                            minghong

[feature](nereids) print memo and adjust stats calculator for tpch sf 500

run buildall

[feature](nereids) print memo and adjust stats calculator for tpch sf 500

run buildall

[feature](nereids) print memo and adjust stats calculator for tpch sf 500

run buildall

[feature](nereids) print memo and adjust stats calculator for tpch sf 500

run buildall

[fix](nereids)fix first_value/lead/lag window function bug in nereids

LGTM

[opt](nereids) modify cbo statistics in filter and scan

hi keith, do you notice that in JoinEstimation, if child.rowCount is 0, estimator regard the input row count as 1. please refer to: https://github.com/apache/doris/blob/f53cf052d84335c09b2680259b1366343fc90c9a/fe/fe-core/src/main/java/org/apache/doris/nereids/stats/JoinEstimation.java#L198

[opt](nereids) modify cbo statistics in filter and scan

run buildall

[opt](nereids) modify cbo statistics in filter and scan

run buildall

[feat](nereids)push Limit to local agg

run buildall

[feat](nereids)push Limit to local agg

run buildall