Syntax question - compound value comparisons

[Richard Huxton]

I can do this:

SELECT * FROM library_items WHERE (li_lib, li_item) = (11080,123063);
li_lib | li_item
--------+---------
11080 | 123063

But not this:

SELECT * FROM library_items WHERE (li_lib, li_item) IN ( (11080,123063),
(11081, 122250) );
ERROR: syntax error at or near "11080" at character 59

Is this just a parser weakness (in which case, can I ask someone in core for a
TODO - tia) or is there some subtle reason why it isn't supposed to work.

--
Richard Huxton
Archonet Ltd

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