dict1 [] ['dict_src'] ['join','t'] dict2 [] ['join'] ['t'] dict_src [] [] ['dict1'] join [] ['dict1'] ['dict2','s','t'] s [] ['join'] [] t [] ['dict1','dict2','join'] [] ===== dict1 [] ['dict_src'] ['join','t'] dict2 [] ['join'] [] dict_src [] [] ['dict1'] join [] ['dict1'] ['dict2','s','t'] mv [] [] [] s [] ['join'] ['t'] t ['mv'] ['dict1','join','s'] [] dict1 dict2 dict_src join mv s t OK OK OK dict1 [] ['dict_src'] ['join','t'] dict2 [] ['join'] [] dict_src [] [] ['dict1'] join [] ['dict1'] ['dict2','s','t'] mv [] [] [] s [] ['join'] ['t'] t ['mv'] ['dict1','join','s'] [] OK UNKNOWN_DATABASE dict1 [] ['dict_src'] ['join','t'] dict2 [] ['join'] [] dict_src [] [] ['dict1'] join [] ['dict1'] ['dict2','s','t'] mv [] [] [] s [] ['join'] ['t'] t ['mv'] ['dict1','join','s'] [] dict1 [] ['dict_src'] ['join','t'] dict2 [] ['join'] [] dict_src [] [] ['dict1'] join [] ['dict1'] ['dict2','s','t'] s [] ['join'] ['t'] t [] ['dict1','join','s'] [] ===== dict1 [] ['dict_src'] ['join'] dict_src [] [] ['dict1'] join [] ['dict1'] []