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how to migrate or modify events #485

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xshadowlegendx opened this issue May 31, 2022 · 2 comments
Open

how to migrate or modify events #485

xshadowlegendx opened this issue May 31, 2022 · 2 comments

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@xshadowlegendx
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It is a good approach to migrate or modify events(remove, versioning etc) by using an a dedicate event handler to stream all events to build new aggregate? If so is there option to specify to build new aggregate from another aggregate or I have to code one event handler to do so conditionally to ignore or modify to produce new event?
@roehst
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roehst commented Jun 3, 2022

Did you check the upcasting approach?

@xshadowlegendx
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hello @roehst, yes but i have not yet tried it, does the upcaster only works when publishing command? what about past command do we have to migrate it?

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@roehst @xshadowlegendx