| Smalyshev added a comment. |
Recommended way to rewrite it:
SELECT ?item ?item2 ?inv WHERE {
hint:Query hint:optimizer "None" .
?inv1statement pq:P195 ?collection .
?inv1statement ps:P217 ?inv .
?inv2statement ps:P217 ?inv .
?item p:P217 ?inv1statement .
?item2 p:P217 ?inv2statement .
FILTER(?item!=?item2)
?inv2statement pq:P195 ?collection .
} LIMIT 500
VALUES ?collection {wd:Q28045665 wd:Q28045660 wd:Q28045674 wd:Q2066737 wd:Q18600731 }TASK DETAIL
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To: Smalyshev
Cc: Esc3300, Smalyshev, Nikki, Aklapper, Multichill, EBjune, merbst, Avner, debt, Gehel, D3r1ck01, Jonas, FloNight, Xmlizer, Izno, jkroll, Wikidata-bugs, Jdouglas, aude, Deskana, Manybubbles, Mbch331, Jay8g, Krenair
Cc: Esc3300, Smalyshev, Nikki, Aklapper, Multichill, EBjune, merbst, Avner, debt, Gehel, D3r1ck01, Jonas, FloNight, Xmlizer, Izno, jkroll, Wikidata-bugs, Jdouglas, aude, Deskana, Manybubbles, Mbch331, Jay8g, Krenair
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