Application Development Guide


User-Defined Functions (UDFs) and Methods

  • What are Functions and Methods?
  • Why Use Functions and Methods?
  • UDF And Method Concepts
  • Implementing Functions and Methods
  • Writing Functions and Methods
  • Registering Functions and Methods
  • Examples of Registering UDFs and Methods
  • Example: Exponentiation
  • Example: String Search
  • Example: BLOB String Search
  • Example: String Search over UDT
  • Example: External Function with UDT Parameter
  • Example: AVG over a UDT
  • Example: Counting
  • Example: Counting with an OLE Automation Object
  • Example: Table Function Returning Document IDs
  • Using Functions and Methods
  • Referring to Functions
  • Examples of Function Invocations
  • Using Parameter Markers in Functions
  • Using Qualified Function Reference
  • Using Unqualified Function Reference
  • Summary of Function References

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