FieldInfo

Key	Type	Default	Description
fieldName	string		Name of the field
tableId	number		OID of the table
columnId	number		OID of the column
dataTypeId	number		OID of the data type
dataTypeName	string		Name of the data type
elementDataTypeId	number		OID of the element's data type, if the field is an array
elementDataTypeName	string		Name of the element's data type, if the field is an array
jsType	string		JS type name that the data type maps to
fixedSize	number		Data length, if the data type has a fixed size
modifier	number		Modifier of the data type
isArray	boolean		Whether the data type is an array

Only fieldName, dataTypeId and dataTypeName/jsType are required; all other fields are optional and only present when applicable.