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Support for multi-variable join keys #2404

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Aklakan opened this issue Apr 8, 2024 · 0 comments · May be fixed by #2405
Open

Support for multi-variable join keys #2404

Aklakan opened this issue Apr 8, 2024 · 0 comments · May be fixed by #2405
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enhancement Incrementally add new feature

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@Aklakan
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Aklakan commented Apr 8, 2024

Version

5.1.0-SNAPSHOT

Feature

This is a follow up to https://www.mail-archive.com/users@jena.apache.org/msg20755.html

The current hash join implementation would only create a hash table for a random variable common to the first binding of either side of the join.

Multi-variable join keys are not supported resulting in bad performance for the cases described in the mail thread.

Are you interested in contributing a solution yourself?

Yes
@Aklakan Aklakan added the enhancement Incrementally add new feature label Apr 8, 2024
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 8, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
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@Aklakan Aklakan linked a pull request Apr 8, 2024 that will close this issue
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Aklakan added a commit to Aklakan/jena that referenced this issue Apr 9, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
e80cf5c
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 9, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
45f48e6
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 10, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
009058f
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 10, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
a5ff9e8
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 10, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
acc4cd2
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 10, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
1094d8d
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 11, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
4cbefe2
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 11, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
68b6ad4
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 11, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
d9cd56f
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 11, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
80ad797
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 11, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
74d320d
Aklakan added a commit to Aklakan/jena that referenced this issue Apr 23, 2024
@Aklakan
apacheGH-2404: Support for multi-variable join keys
573e4c0
@Aklakan Aklakan mentioned this issue May 23, 2024
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GH-2404: Support for multi-variable join keys Aklakan/jena
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