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The first two systems I worked with using InterSystems technology were a PDP-11 running M11+ and a VAX 11/750 running M/VX. Too many years ago to count! 😊
Since then I've used most, if not all, InterSystems products up to IRIS and HealthShare today.
I'm Italian living in Switzerland and I work as Senior Consultant at GAIVOTA consultin SA, we provide professional services for InterSystems and other technologies.
Curiosity: apart from DC, I don't have ANY social account! 😁

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Member since Aug 4, 2017
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it doesn't seem like the Results of the Class Method are coming back correctly 100% of the time.

This is VERY strange, I would add a test/check if an error occur testing SQLCODE and %msg after &SQL() to see if/when/why it fails.

When using embedded SQL you are not supposed to check/access a returned variable (ExtDisplay in your case) before checking for success/failure via SQLCODE variable.

If you need to check if the query found a row, you should check the SQLCODE value, not ExtDisplay  value.

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