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English
  • PowerExchange for CDC and Mainframe 10.5.1
  • All Products

Table of Contents

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  1. Preface
  2. PowerExchange Navigator Introduction
  3. Data Maps
  4. Data Maps for Specific Data Sources
  5. Copybooks
  6. Registration Groups and Capture Registrations
  7. Extraction Groups and Extraction Maps
  8. Personal Metadata
  9. Database Row Test
  10. PowerExchange Navigator Examples
  11. Appendix A: PowerExchange Functions for User-Defined Fields
  12. Appendix B: User Access Method Programs
  13. Appendix C: Application Groups and Applications
  14. Appendix D: Data Map Properties
  15. Appendix E: Record, Field, and Table Properties
  16. Appendix F: DTL__CAPXTIMESTAMP Time Stamps
  17. Appendix G: Trace for Creating a Memory Map When Importing a COBOL Copybook

Navigator User Guide

Navigator User Guide

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GetDbKeyOfFirstMember

GetDbKeyOfFirstMember

IDMS. Returns the database key of the first member of the specified set. You can use this function with the record that is the owner of the specified set.
Because this function does not return the IDMS page group or radix, use this function when duplicate databases that are accessed using different page groups do not exist. If duplicate databases might exist, use the GetFullDbKeyOfFirstMember function.
Syntax: 
GetDbKeyOfFirstMember('
IDMS_set_name
')
The function returns a value of datatype NUM32U or BIN4.
The following table describes the parameter:
Parameter
Description
IDMS_set_name
IDMS set name.
Enclose this value in single quotation marks.
Do not use an IDMS set name that represents a system index.
This function supports before-image buffering, which is required for adding before-image and change-indicator columns for the user-defined expression fields.
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