[feature](search) add exact dsl for search function #56710
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Pull Request Overview
This PR adds EXACT DSL functionality to the search function, enabling exact string matching without tokenization. This feature complements existing ANY/ALL operators that work with tokenized indexes by providing strict string equality matching.
Key changes:
- Added EXACT clause type to search DSL grammar and parser
- Updated backend function to handle EXACT queries using EQUAL_QUERY type
- Extensive test coverage for various EXACT matching scenarios
Reviewed Changes
Copilot reviewed 12 out of 12 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| SearchLexer.g4 | Added EXACT_LPAREN token for lexical analysis |
| SearchParser.g4 | Added exactValue rule to grammar |
| SearchDslParser.java | Added EXACT clause type and parsing logic |
| function_search.cpp | Added EXACT handling in backend query processing |
| test_search_exact_*.groovy | Comprehensive regression tests for EXACT functionality |
| test_search_exact_*.out | Expected test outputs for EXACT functionality |
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TPC-DS: Total hot run time: 190001 ms |
ClickBench: Total hot run time: 30.5 s |
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PR approved by at least one committer and no changes requested. |
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PR approved by anyone and no changes requested. |
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### What problem does this PR solve? Issue Number: close #xxx Related PR: #56139 Problem Summary: This PR adds EXACT DSL functionality to the search function, enabling exact string matching without tokenization. This feature complements existing ANY/ALL operators that work with tokenized indexes by providing strict string equality matching.
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### What problem does this PR solve? Issue Number: close #xxx Related PR: apache#56139 Problem Summary: This PR adds EXACT DSL functionality to the search function, enabling exact string matching without tokenization. This feature complements existing ANY/ALL operators that work with tokenized indexes by providing strict string equality matching.
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What problem does this PR solve?
Issue Number: close #xxx
Related PR: #56139
Problem Summary:
This PR adds EXACT DSL functionality to the search function, enabling exact string matching without tokenization. This feature complements existing ANY/ALL operators that work with tokenized indexes by providing strict string equality matching.
Release note
None
Check List (For Author)
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