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Migrating to DataFlex 2021

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Migrating to DataFlex 2021
PART 1 Introduction (1m 43s)
Steps in migrating to DataFlex 2021 (2m 48s)
Next lesson:
Essential changes for migrating to DataFlex 2021
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Migrating to DataFlex 2021 Part 1

Lesson 3: Steps in migrating to DataFlex 2021

  • It may take a good bit of effort to migrate a DataFlex 19.1 application into a well-working fully Unicode, 64-bit version. The amount of work largely depends on the number of dependencies and windows calls in the application and on the quality of the source code.
  • There are seven steps to the migrate from 19.1 to 2021. If migrating to Unicode or 64-bit is not needed, then only the first five steps are necessary.
  • The seven steps…
  • Make a copy of the 19.1 applications and library workspaces
    • All source files that are opened and saved in the Studio will be converted to UTF-8
  • For applications that use non-embedded database: First make a copy of the DB.
    • Changes may need to be made to string datatypes in the database
  • Do the migration
    • For complex workspace structures: “migrate in place”

  • Code cleanup using the compiler warning system if not already done (lesson 6)
  • Make the essential migration changes to get it running (next lesson)
  • Make the application fully Unicode (optional)
    • This may involve a lot of work, and will be addressed in Part 2 of this course
  • Convert the application to 64-bit (optional)
    • This may involve a lot of work, and will be addressed in Part 3 of this course
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