[Wikidata-bugs] [Maniphest] T235540: StackOverflowError when SPARQL query uses same variable name before and after aggregation

2023-09-15 Thread VladimirAlexiev 
VladimirAlexiev added a comment.


  I posted https://github.com/w3c/sparql-dev/issues/192 to collect info about 
what various SPARQL processors do in such cases.
  Blazegraph allows it for certain situations:
  
  - COUNT
  - SAMPLE
  - identity rebinding
  - expression rebinding (not aggregate): but returns no rows
  
  Only Jena has explicit checks and returns "parse error"

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To: VladimirAlexiev
Cc: VladimirAlexiev, Addshore, Sabas88, Gehel, Nemo_bis, Dipsacus_fullonum, 
99of9, TuukkaH, Ainali, Mormegil, TomT0m, Lea_Lacroix_WMDE, Tagishsimon, Envlh, 
Mathew.onipe, Smalyshev, Lucas_Werkmeister_WMDE, Igorkim78, Aklapper, 
Evilricepuddin, Danny_Benjafield_WMDE, Astuthiodit_1, AWesterinen, 
karapayneWMDE, Invadibot, maantietaja, ItamarWMDE, Akuckartz, Nandana, 
Namenlos314, Lahi, Gq86, GoranSMilovanovic, QZanden, EBjune, merbst, 
LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Xmlizer, jkroll, 
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[Wikidata-bugs] [Maniphest] T235540: StackOverflowError when SPARQL query uses same variable name before and after aggregation

2023-09-15 Thread Lucas_Werkmeister_WMDE 
Lucas_Werkmeister_WMDE merged a task: T346420: query causes Stack Overflow.
Lucas_Werkmeister_WMDE added a subscriber: VladimirAlexiev.

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To: Lucas_Werkmeister_WMDE
Cc: VladimirAlexiev, Addshore, Sabas88, Gehel, Nemo_bis, Dipsacus_fullonum, 
99of9, TuukkaH, Ainali, Mormegil, TomT0m, Lea_Lacroix_WMDE, Tagishsimon, Envlh, 
Mathew.onipe, Smalyshev, Lucas_Werkmeister_WMDE, Igorkim78, Aklapper, 
Evilricepuddin, Danny_Benjafield_WMDE, Astuthiodit_1, AWesterinen, 
karapayneWMDE, Invadibot, maantietaja, ItamarWMDE, Akuckartz, Nandana, 
Namenlos314, Lahi, Gq86, GoranSMilovanovic, QZanden, EBjune, merbst, 
LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Xmlizer, jkroll, 
Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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[Wikidata-bugs] [Maniphest] T235540: StackOverflowError when SPARQL query uses same variable name before and after aggregation

2023-07-14 Thread Lucas_Werkmeister_WMDE 
Lucas_Werkmeister_WMDE merged a task: T341832: Query service example "Law 
& Order episodes" seems to break in a stack overflow, stuck at 
com.bigdata.rdf.sparql.ast.StaticAnalysis.collectVarsFromExpressions(StaticAnalysis.java:2101).
Lucas_Werkmeister_WMDE added a subscriber: Addshore.

TASK DETAIL
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To: Lucas_Werkmeister_WMDE
Cc: Addshore, Sabas88, Gehel, Nemo_bis, Dipsacus_fullonum, 99of9, TuukkaH, 
Ainali, Mormegil, TomT0m, Lea_Lacroix_WMDE, Tagishsimon, Envlh, Mathew.onipe, 
Smalyshev, Lucas_Werkmeister_WMDE, Igorkim78, Aklapper, Evilricepuddin, 
Astuthiodit_1, AWesterinen, karapayneWMDE, Invadibot, maantietaja, ItamarWMDE, 
Akuckartz, Nandana, Namenlos314, Lahi, Gq86, GoranSMilovanovic, QZanden, 
EBjune, merbst, LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Xmlizer, 
jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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[Wikidata-bugs] [Maniphest] T235540: StackOverflowError when SPARQL query uses same variable name before and after aggregation

2022-05-31 Thread Sabas88 
Sabas88 added a comment.


  Just faced the same issue.
  
  @Gehel  I think that the interface could detect such issue and provide some 
kind of message telling how to fix it?

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To: Sabas88
Cc: Sabas88, Gehel, Nemo_bis, Dipsacus_fullonum, 99of9, TuukkaH, Ainali, 
Mormegil, TomT0m, Lea_Lacroix_WMDE, Tagishsimon, Envlh, Mathew.onipe, 
Smalyshev, Lucas_Werkmeister_WMDE, Igorkim78, Aklapper, Evilricepuddin, 
Astuthiodit_1, AWesterinen, karapayneWMDE, Invadibot, MPhamWMF, maantietaja, 
CBogen, ItamarWMDE, Akuckartz, Nandana, Namenlos314, Lahi, Gq86, 
GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, _jensen, rosalieper, 
Scott_WUaS, Jonas, Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, 
Manybubbles, Mbch331
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[Wikidata-bugs] [Maniphest] T235540: StackOverflowError when SPARQL query uses same variable name before and after aggregation

2021-09-02 Thread Gehel 
Gehel closed this task as "Declined".
Gehel added a comment.


  In the end, this is a Blazegraph limitation and there is a workaround. I'm 
closing this ticket. Feel free to re-open if you feel strongly about it.

TASK DETAIL
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To: Gehel
Cc: Gehel, Nemo_bis, Dipsacus_fullonum, 99of9, TuukkaH, Ainali, Mormegil, 
TomT0m, Lea_Lacroix_WMDE, Tagishsimon, Envlh, Mathew.onipe, Smalyshev, 
Lucas_Werkmeister_WMDE, Igorkim78, Aklapper, Evilricepuddin, Invadibot, 
MPhamWMF, maantietaja, CBogen, Akuckartz, Nandana, Namenlos314, Lahi, Gq86, 
GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, _jensen, rosalieper, 
Scott_WUaS, Jonas, Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, 
Manybubbles, Mbch331
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[Wikidata-bugs] [Maniphest] T235540: StackOverflowError when SPARQL query uses same variable name before and after aggregation

2020-09-15 Thread Gehel 
Gehel triaged this task as "Medium" priority.

TASK DETAIL
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To: Gehel
Cc: Nemo_bis, Dipsacus_fullonum, 99of9, TuukkaH, Ainali, Mormegil, TomT0m, 
Lea_Lacroix_WMDE, Tagishsimon, Envlh, Mathew.onipe, Smalyshev, 
Lucas_Werkmeister_WMDE, Igorkim78, Aklapper, Evilricepuddin, CBogen, Akuckartz, 
darthmon_wmde, Nandana, Namenlos314, Lahi, Gq86, GoranSMilovanovic, QZanden, 
EBjune, merbst, LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Xmlizer, 
jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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