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Posted to issues@quickstep.apache.org by "Zuyu Zhang (JIRA)" <ji...@apache.org> on 2018/05/09 23:30:00 UTC

[jira] [Created] (QUICKSTEP-126) Bit-matrix-based join for Datalog

Zuyu Zhang created QUICKSTEP-126:
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             Summary: Bit-matrix-based join for Datalog
                 Key: QUICKSTEP-126
                 URL: https://issues.apache.org/jira/browse/QUICKSTEP-126
             Project: Apache Quickstep
          Issue Type: New Feature
            Reporter: Zuyu Zhang


We would like to support the following datalog query efficiently:
{code:java}
sameGeneration(x, y) :- parent(a, x), parent(a, y), x != y
sameGeneration(x, y) :- sameGeneration(a, b), parent(a, x), parent(b, y){code}



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