Support CASE function with Calcite#3558
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penghuo merged 6 commits intoopensearch-project:mainfrom Apr 24, 2025
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Signed-off-by: Lantao Jin <ltjin@amazon.com>
Signed-off-by: Lantao Jin <ltjin@amazon.com>
dai-chen
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Apr 17, 2025
ppl/src/main/java/org/opensearch/sql/ppl/parser/AstExpressionBuilder.java
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Signed-off-by: Lantao Jin <ltjin@amazon.com>
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qianheng-aws
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Apr 21, 2025
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Do you know the reason to make documentation executable? It's hard to debug if doctest fails. @penghuo |
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doctest has grown to have three primary uses, more reading opendistro-for-elasticsearch/sql#497
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Signed-off-by: Lantao Jin <ltjin@amazon.com>
penghuo
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Apr 23, 2025
| os> source=accounts | eval result = case(age > 35, firstname, age < 30, lastname else employer) | fields result, firstname, lastname | ||
| fetched rows / total rows = 4/4 | ||
| +--------+-----------+----------+ | ||
| | result | firstname | lastname | |
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There was a problem hiding this comment.
add age and employer, fields result, age, firstname, lastname, employer
| | null | Dale | Adams | | ||
| +--------+-----------+----------+ | ||
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| os> source=accounts | eval result = case(age > 35, firstname, age < 30, lastname) | fields result, firstname, lastname |
Signed-off-by: Lantao Jin <ltjin@amazon.com>
qianheng-aws
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Apr 24, 2025
penghuo
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Apr 24, 2025
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I will backport this to branch 3.0 since it should be treated as bug:
Can you approve it? @penghuo @anasalkouz @model-collapse |
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Approved to backport |
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* Support CASE function with Calcite Signed-off-by: Lantao Jin <ltjin@amazon.com> * add anonymizer Signed-off-by: Lantao Jin <ltjin@amazon.com> * address comment and fix varchar literal bug Signed-off-by: Lantao Jin <ltjin@amazon.com> * add doc Signed-off-by: Lantao Jin <ltjin@amazon.com> * fix doctest Signed-off-by: Lantao Jin <ltjin@amazon.com> * fix doctest Signed-off-by: Lantao Jin <ltjin@amazon.com> --------- Signed-off-by: Lantao Jin <ltjin@amazon.com> (cherry picked from commit 47e6a2a) Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
penghuo
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Apr 25, 2025
* Support CASE function with Calcite * add anonymizer * address comment and fix varchar literal bug * add doc * fix doctest * fix doctest --------- (cherry picked from commit 47e6a2a) Signed-off-by: Lantao Jin <ltjin@amazon.com> Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
penghuo
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Jun 16, 2025
* Support CASE function with Calcite Signed-off-by: Lantao Jin <ltjin@amazon.com> * add anonymizer Signed-off-by: Lantao Jin <ltjin@amazon.com> * address comment and fix varchar literal bug Signed-off-by: Lantao Jin <ltjin@amazon.com> * add doc Signed-off-by: Lantao Jin <ltjin@amazon.com> * fix doctest Signed-off-by: Lantao Jin <ltjin@amazon.com> * fix doctest Signed-off-by: Lantao Jin <ltjin@amazon.com> --------- Signed-off-by: Lantao Jin <ltjin@amazon.com> Signed-off-by: xinyual <xinyual@amazon.com>
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Description
Support CASE function with Calcite (v3) and v2 engine.
Its syntax should be support in PPL OpenSearch as well.
https://github.com/opensearch-project/opensearch-spark/blob/6832737577119221819c49235c212020c0214fed/ppl-spark-integration/src/main/antlr4/OpenSearchPPLParser.g4#L489-L491
Fix the bug of string literal: enforce to CHAR(1) type or VARCHAR type to avoid CHAR(n)
Related Issues
Resolves #3536
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