returns functions with given name . function name is case insensitive . concode_field_sep ArrayListMultimap<String,DrillFuncHolder> registeredFunctions concode_elem_sep org.slf4j.Logger logger concode_elem_sep ImmutableMap<String,Pair<Integer,Integer>> registeredFuncNameToArgRange concode_field_sep int size concode_elem_sep void registerOperatorsWithInference concode_elem_sep void registerOperatorsWithoutInference concode_elem_sep void register
List < DrillFuncHolder > function ( String arg0 ) { return this . registeredFunctions . get ( arg0 . toLowerCase ( ) ) ; }