Field Data Type Reference

A data type describes the value of a field within a message or a message format.

Administrators use the type names in the first column of the following table to define formats.

Programs denote the data type of message fields using the type constants in the second column of the table.

Field Data Types
Type Name (in Realm)	Type Constant (in Programs)	Description	Primitive
`long`	`TIB_FIELD_TYPE_LONG`	A long integer.	Yes
`long_array`	`TIB_FIELD_TYPE_LONG_ARRAY`	An array of long integers.	No
`double`	`TIB_FIELD_TYPE_DOUBLE`	A double-length floating point number.	Yes
`double_array`	`TIB_FIELD_TYPE_DOUBLE_ARRAY`	An array of double-length floating point numbers.	No
`string`	`TIB_FIELD_TYPE_STRING`	A UTF-8 string.	No
`string_array`	`TIB_FIELD_TYPE_STRING_ARRAY`	An array of UTF-8 strings.	No
`opaque`	`TIB_FIELD_TYPE_OPAQUE`	An opaque byte-array.	No
`message`	`TIB_FIELD_TYPE_MESSAGE`	A message (that is, the field’s value is a sub-message).	No
`message_array`	`TIB_FIELD_TYPE_MESSAGE_ARRAY`	An array of messages.	No
`inbox`	`TIB_FIELD_TYPE_INBOX`	An inbox.	No
`datetime`	`TIB_FIELD_TYPE_DATETIME`	A DateTime value.	No
`datetime_array`	`TIB_FIELD_TYPE_DATETIME_ARRAY`	An array of DateTime values.	No