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Standalone LIKE operator #1291

Closed
2 tasks done
etiennedi opened this issue Nov 16, 2020 · 0 comments · Fixed by #1297
Closed
2 tasks done

Standalone LIKE operator #1291

etiennedi opened this issue Nov 16, 2020 · 0 comments · Fixed by #1297
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@etiennedi
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@etiennedi
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etiennedi commented Nov 16, 2020 •
edited

Goals

Todos

  • implement as full index scan
  • if wildcard is not in beginning of string, use an optimized range query instead
@etiennedi etiennedi added this to the Standalone milestone Nov 16, 2020
@etiennedi etiennedi added blocked Issue can't be worked on before something else has been completed. prio issue-needs-refinement Issue is just a placeholder and does not have the quality to be worked on. labels Nov 16, 2020
@etiennedi etiennedi self-assigned this Nov 17, 2020
@etiennedi etiennedi removed the blocked Issue can't be worked on before something else has been completed. label Nov 17, 2020
etiennedi added a commit that referenced this issue Nov 17, 2020
@etiennedi
gh-1291 start building like operator regexp parser
28652c4
etiennedi added a commit that referenced this issue Nov 17, 2020
@etiennedi
gh-1291 support (full table scan) like operator in inverted index
cf3859d
@etiennedi etiennedi removed the issue-needs-refinement Issue is just a placeholder and does not have the quality to be worked on. label Nov 18, 2020
etiennedi added a commit that referenced this issue Nov 18, 2020
@etiennedi
gh-1291 optimize like operator when it doesn't start with wildcard
aa97b39 
In this case we don't have to scan the entire table anymore, but only
those entries which are in the range of the first matching characters.
etiennedi added a commit that referenced this issue Nov 18, 2020
@etiennedi
gh-1291 remove debugging statement
320c84e
etiennedi added a commit that referenced this issue Nov 18, 2020
@etiennedi
gh-1291 keep wildcards on dtText split if operator==Like
e9ef0ab
etiennedi added a commit that referenced this issue Nov 18, 2020
@etiennedi
gh-1291 add license headers
f29b0a2
@etiennedi etiennedi mentioned this issue Nov 18, 2020
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Standalone like operator weaviate/weaviate
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@etiennedi