[PR] Fix quoted tree path parsing in table views [iotdb]

["Caideyipi (via GitHub)" <gi...@apache.org>]

Caideyipi opened a new pull request, #18884:
URL: https://github.com/apache/iotdb/pull/18884

   ## Problem
   
   A table-model view whose tree prefix path contains a space fails when the path is written with quoted identifiers:
   
   ```sql
   AS root."`tv143_cmp_3`"."`a b`".**
   ```
   
   The parser produced `root.`tv143_cmp_3`.``a b``.**`, which is rejected as an illegal path.
   
   ## Cause
   
   The relational parser already preserves backticks returned by `parseNodeString` for identifiers that require them, but `parsePrefixPath` wrapped every node in another pair of backticks.
   
   ## Fix
   
   Preserve an existing backtick-wrapped node name and only add backticks when the parsed node name is not already quoted. Add parser and integration regressions covering the tree-to-table view query.
   
   ## Tests
   
   - `mvn spotless:apply -pl iotdb-core/datanode`
   - `mvn spotless:apply -pl integration-test -P with-integration-tests`
   - `mvn compile -pl iotdb-core/datanode -am -DskipTests`
   - `CreateViewPrefixPathTest` (1 test, 0 failures)
   - `IoTDBTableIT#testCreateViewFromTreePathWithSpaces` was attempted; the local integration environment could not start the ConfigNode and refused the connection.
   


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Re: [PR] Fix quoted tree path parsing in table views [iotdb]

["jt2594838 (via GitHub)" <gi...@apache.org>]

jt2594838 merged PR #18884:
URL: https://github.com/apache/iotdb/pull/18884


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