[Wikidata-bugs] [Maniphest] [Created] T158648: WDQS: Strange query behaviour with curly brackets

[Jheald]

Jheald created this task. Jheald added a project: Wikidata-Query-Service. Herald added a subscriber: Aklapper. Herald added projects: Wikidata, Discovery.

TASK DESCRIPTION

This query returns 1 :

SELECT ?number  WHERE {
       VALUES ?number { 1 } .
       FILTER ( ?number IN (1 , 2 ))  
}

But this query, with the filter line in curly brackets, returns nothing at all:

SELECT ?number  WHERE {
       VALUES ?number { 1 } .
       { FILTER ( ?number IN (1 , 2 ))  }
}

Is this right?  It makes it rather difficult to write UNION statements, if one can't use curly brackets for grouping

TASK DETAIL

https://phabricator.wikimedia.org/T158648

EMAIL PREFERENCES

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To: Jheald
Cc: Aklapper, Jheald, EBjune, merbst, Avner, debt, Gehel, D3r1ck01, Jonas, FloNight, Xmlizer, Izno, jkroll, Smalyshev, Wikidata-bugs, Jdouglas, aude, Deskana, Manybubbles, Mbch331

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