9 ::checkPoint, ::writeSchemaFile ->can it be moved to Recover.cpp
12 ::filterAndRemoveStmtLogs
30 ::execute needs more comments as it is difficult to understand
32 ::insertSpecialCaseDataNode
34 needs more comments as it is difficult to understand
35 11.PredicateEvalImpl.cxx
36 needs more comments as it is difficult to understand
38 ::copyValuesFromBindBuffer
54 ::insertNodeIntoFirstLevel
55 ::insertRecordIntoNodeAndArrangeFirstLevel