firedac数据集控件的公共祖先类——TFDAdaptedDataSet
TFDQuery = class(TFDCustomQuery)
TFDCustomQuery = class(TFDRdbmsDataSet)
TFDRdbmsDataSet = class(TFDAdaptedDataSet)
TFDMemTable = class(TFDCustomMemTable)
TFDCustomMemTable = class(TFDAdaptedDataSet)
TFDStoredProc = class(TFDCustomStoredProc)
TFDCustomStoredProc = class(TFDRdbmsDataSet)
TFDRdbmsDataSet = class(TFDAdaptedDataSet)
TFDTable = class(TFDCustomQuery)
TFDCustomQuery = class(TFDRdbmsDataSet)
TFDRdbmsDataSet = class(TFDAdaptedDataSet)