toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (collation != null) 'collation': collation!,
if (columnName != null) 'columnName': columnName!,
if (dataType != null) 'dataType': dataType!,
if (length != null) 'length': length!,
if (nullable != null) 'nullable': nullable!,
if (ordinalPosition != null) 'ordinalPosition': ordinalPosition!,
if (primaryKey != null) 'primaryKey': primaryKey!,
};