Re: plpgsql at what point does the knowledge of the query come in?

[Henry Drexler <alonup8tb@xxxxxxxxx>]

On Thu, Oct 20, 2011 at 4:57 PM, Raymond O'Donnell <rod@xxxxxx> wrote:

Not sure what you mean by the above... that statement only gets executed
once, so the value of nnlength doesn't change.

Ray.

doesn't the function get executed once for each row in the query?

so in the below example

threeee will match threee

but fiveu will not match five because it has not reset  nnlength := length(newnode); to measure the length of fiveu but is retaining the length of threeee

is it possible to get nnlength := length(newnode); to reset for each new row/node in the query?