Is SOQL Polymorphism enabled by default in API 26?

Is SOQL Polymorphism enabled by default in API 26? I’m getting the error ‘SOQL TYPEOF expressions are not supported in this organization’ error when deploying to my test org that’s on API 26.


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Method 1

Per the release notes, SOQL Polymorphism is in Developer Preview in API 26 (Winter 13). You’ll need to contact to get it enabled. See this blog entry for more on SOQL Polymorphism.

Method 2

TYPEOF is going GA in Summer 19 in API v46.0

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