Is this a BUG REPORT or FEATURE REQUEST?:

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• bug

• feature

What happened:SQL 错误 [55000]: ERROR: cannot update view "testobj"
Hint: You need an unconditional ON UPDATE DO INSTEAD rule or an INSTEAD OF UPDATE trigger.
ERROR: cannot update view "testobj"
Hint: You need an unconditional ON UPDATE DO INSTEAD rule or an INSTEAD OF UPDATE trigger.
ERROR: cannot update view "testobj"
Hint: You need an unconditional ON UPDATE DO INSTEAD rule or an INSTEAD OF UPDATE trigger.

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

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