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Re: left outer join and values()

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Tom Allison <tom@xxxxxxxxxxx> writes:
> select v.history.idx, v.token_idx
> from (
> values ((3,1),(3,2))) as v(history_idx, token_idx)
> left outer join history_token ht on v.history_idx = ht.history_idx
> and v.token_idx = ht.token_idx
> where ht.history_idx is null;
> ERROR:  operator does not exist: record = integer
> LINE 4: left outer join history_token ht on v.history_idx = ht.histo...
>                                                            ^

You've got too many parentheses --- the system thinks that "values"
specification is a single row containing two fields that are each
two-column records.  I think you want

select v.history_idx, v.token_idx
from (
values (3,1),(3,2)) as v(history_idx, token_idx)
left outer join history_token ht on v.history_idx = ht.history_idx
and v.token_idx = ht.token_idx
where ht.history_idx is null;

Note the "history.idx" typo as well.

			regards, tom lane


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