toMap method
Implementation
Map<String, dynamic> toMap() {
return <String, dynamic>{
'column': column,
'columnType': columnType,
'floatBinSize': floatBinSize,
'maxBinCount': maxBinCount,
'numericBinSize': numericBinSize,
'sortColumn': sortColumn,
'sortOrder': sortOrder,
'timeBinSize': timeBinSize,
};
}