I used to only use the “->” and “->>” accessors for jsonb statements. After some research, I think my misunderstanding was about the slice operator [x:y]. I thought it could return a new array, however it actually returns a sequence.
I revisited the patch diffs again, and got a few other comments. Let me raise them in a separate email.
Regards,
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Chao Li (Evan) HighGo Software Co., Ltd. https://www.highgo.com/