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SQL: Fix edge case: <field> IN (null) #34802

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merged 7 commits into from Oct 25, 2018
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@matriv matriv commented Oct 24, 2018

Handle the case when null is the only value in the list so that
it's translated to a MatchNoDocsQuery.

Followup to: #34750

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Pinging @elastic/es-search-aggs

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matriv commented Oct 24, 2018

Depends on #34812

@matriv matriv added the WIP label Oct 24, 2018
@matriv matriv changed the title SQL: Fix edge case: `<field> IN(null) SQL: Fix edge case: <field> IN(null) Oct 24, 2018
Handle the case when `null` is the only value in the list so that
it's translated to a `MatchNoDocsQuery`.

Followup to: elastic#34750
@matriv matriv changed the title SQL: Fix edge case: <field> IN(null) SQL: Fix edge case: <field> IN (null) Oct 24, 2018
@matriv matriv requested review from costin and astefan October 24, 2018 18:39
@matriv matriv removed the WIP label Oct 24, 2018
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matriv commented Oct 24, 2018

@costin @astefan This is ready for review now.

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LGTM. Just one picky comment.

}

@Override
public Boolean fold() {
if (value.dataType() == DataType.NULL || list.size() == 1 && list.get(0).dataType() == DataType.NULL) {
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Better readability if additional brackets are used? if (value.dataType() == DataType.NULL || (list.size() == 1 && list.get(0).dataType() == DataType.NULL))

if (values.isEmpty()) {
this.values = Collections.emptySet();
} else {
this.values = new LinkedHashSet<>(Foldables.valuesOf(values, values.get(0).dataType()));
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I'm assuming that here all the values in values are of the same type otherwise we would have had the error message about different types.

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@matriv matriv Oct 24, 2018

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yes that's true!

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LGTM

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matriv commented Oct 24, 2018

retest this please

@matriv matriv merged commit bd14333 into elastic:master Oct 25, 2018
@matriv matriv deleted the mt/fix-edge-case-in branch October 25, 2018 12:25
matriv pushed a commit that referenced this pull request Oct 25, 2018
Handle the case when `null` is the only value in the list so that
it's translated to a `MatchNoDocsQuery`.

Followup to: #34750
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matriv commented Oct 25, 2018

Backported to 6.x with 281b44b

matriv pushed a commit that referenced this pull request Oct 25, 2018
Handle the case when `null` is the only value in the list so that
it's translated to a `MatchNoDocsQuery`.

Followup to: #34750
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matriv commented Oct 25, 2018

Backported to 6.5 with 4290f69

jasontedor added a commit to jasontedor/elasticsearch that referenced this pull request Oct 26, 2018
* master: (74 commits)
  XContent: Check for bad parsers (elastic#34561)
  Docs: Align prose with snippet (elastic#34839)
  document the search context is freed if the scroll is not extended (elastic#34739)
  Test: Lookup node versions on rest test start (elastic#34657)
  SQL: Return error with ORDER BY on non-grouped. (elastic#34855)
  Reduce channels in AbstractSimpleTransportTestCase (elastic#34863)
  [DOCS] Updates Elasticsearch monitoring tasks (elastic#34339)
  Check self references in metric agg after last doc collection (elastic#33593) (elastic#34001)
  [Docs] Add `indices.query.bool.max_clause_count` setting (elastic#34779)
  Add 6.6.0 version to master (elastic#34847)
  Test: ensure char[] doesn't being with prefix (elastic#34816)
  Remove static import from HLRC doc snippet (elastic#34834)
  Logging: server: clean up logging (elastic#34593)
  Logging: tests: clean up logging (elastic#34606)
  SQL: Fix edge case: `<field> IN (null)` (elastic#34802)
  [Test] Mute FullClusterRestartIT.testShrink() until test is fixed
  SQL: Introduce ODBC mode, similar to JDBC (elastic#34825)
  SQL: handle X-Pack or X-Pack SQL not being available in a more graceful way (elastic#34736)
  [Docs] Add explanation for code snippets line width (elastic#34796)
  CCR: Rename follow-task parameters and stats (elastic#34836)
  ...
kcm pushed a commit that referenced this pull request Oct 30, 2018
Handle the case when `null` is the only value in the list so that
it's translated to a `MatchNoDocsQuery`.

Followup to: #34750
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5 participants