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English
  • PowerExchange for CDC and Mainframe 10.5.4
  • 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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GetDataFlowType

GetDataFlowType

IDMS. Returns a two-character indicator that indicates whether the data comes from a bulk data movement operation, a log capture data extraction, or a real-time capture data extraction, and whether data is or is not attached.
Used in conjunction with the GetDbKeyOfOwner function, generates a relational view of IDMS data. You might use these functions to materialize a relational database by using a PowerExchange bulk data movement operation. Then, you can maintain the data by using PowerExchange CDC processing.
The GetDataFlowType function works with either:
  • A single-record capture registration
  • The base record, or lowest level, of a multiple-record capture registration
The GetDbKeyOfOwner function returns the database key and sets the page group and radix elements to zero.
Syntax:
 
result
=GetDataFlowType()
The
result
 parameter returns a two-character CHAR value that specifies the following information:
  • The first character specifies one of the following values:
    • B
      . Bulk data extraction.
    • L
      . Log capture data extraction.
    • R
      . Real-time capture data extraction.
  • The second character specifies one of the following values:
    • D
      . Normal data record.
    • C
      . Connect without data. Relevant for CDC processing. The data portion of the record contains null.
    • U
      . Disconnect without data. Relevant for CDC processing. The data portion of the record contains null.
If no owner exists, the GetDbKeyOfOwner function returns high values.
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