Thomas Hallgren <[EMAIL PROTECTED]> writes:
> I think that this function is needed so that PL/<lang> authors like 
> myself have a way to investigate the semantics of a prepared query.

Which you will do what with?  I'm not sure I see the point of treating
_SPI_plan as an opaque type while assuming you know what to do with a

> For me this is essential since I want to prevent that savepoint related 
> statements are executed using normal SQL so that I can enforce the use 
> of the methods stipulated by the connection interface.

You do realize that SPI_execute will reject TransactionStmt anyway?
The example is therefore not very compelling ...

                        regards, tom lane

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