Chapter 6. Temporal Alphanumeric Types

Table of Contents

Notation
Conversions
Accessors
Transformations
Restrictions
Boolean Operations
Mathematical Operations
Text Operations

Notation

We presented in the section called “Notation” the notation used for defining the signature of the functions and operators for temporal alphanumeric types. We extend next this notations for temporal alphanumeric types.

  • torder represents any temporal type whose base type has a total order defined, that is, tint, tfloat, or ttext,

  • talpha represents any temporal alphanumeric type, such as, tint or ttext,

  • tnumber represents any temporal number type, that is, tint or tfloat,

  • number represents any number base type, that is, integer or float,

  • numspan represents any number span type, that is, either intspan or floatspan,