newRowItrForTableAtCommit(ctx *sql.Context, tableName string, table *DoltTable, h hash.Hash, cm *doltdb.Commit, lookup sql.IndexLookup, projections []uint64)
: (*historyIter, error)
rowConverter(srcSchema, targetSchema sql.Schema, h hash.Hash, meta *datas.CommitMeta, projections []uint64)
: func(row sql.Row) sql.Row