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feat(knn): indexed Lance vector-join execution stage (Spark 4.2) [2/3] #799

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feat(knn): indexed Lance vector-join execution stage (Spark 4.2) [2/3] #799

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1fd01fc
feat(knn): Lance vector-index probe core primitives (Spark 4.2)
sezruby Aug 26, 2026
0b9e1e8
fix(knn): correct metric direction, NaN admission, payload fold, and …
sezruby Aug 26, 2026
13961a1
feat(knn): indexed Lance vector-join execution stage [2/3]
sezruby Aug 26, 2026
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5 changes: 5 additions & 0 deletions .bumpversion.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,11 @@ filename = "lance-spark-4.2_2.13/pom.xml"
search = "<version>{current_version}</version>"
replace = "<version>{new_version}</version>"

[[tool.bumpversion.files]]
filename = "lance-spark-knn-4.2_2.13/pom.xml"
search = "<version>{current_version}</version>"
replace = "<version>{new_version}</version>"

# Bundle module pom.xml files - parent version
[[tool.bumpversion.files]]
filename = "lance-spark-bundle-3.4_2.12/pom.xml"
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112 changes: 112 additions & 0 deletions lance-spark-knn-4.2_2.13/pom.xml
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@@ -0,0 +1,112 @@
<?xml version='1.0' encoding='UTF-8'?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<parent>
<groupId>org.lance</groupId>
<artifactId>lance-spark-root</artifactId>
<version>0.8.0-beta.1</version>
<relativePath>../pom.xml</relativePath>
</parent>

<artifactId>lance-spark-knn-4.2_2.13</artifactId>
<name>${project.artifactId}</name>
<description>Indexed nearest-by join on Lance — Spark 4.2 SQL Catalyst integration (SPARK-56395)</description>
<packaging>jar</packaging>

<properties>
<scala.version>${scala213.version}</scala.version>
<scala.compat.version>${scala213.compat.version}</scala.compat.version>
<arrow.version>${arrow19.version}</arrow.version>
<java.release>${java17.release}</java.release>
</properties>

<dependencies>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-sql_${scala.compat.version}</artifactId>
<version>${spark42.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-catalyst_${scala.compat.version}</artifactId>
<version>${spark42.version}</version>
<scope>provided</scope>
</dependency>
<!--
The Lance connector base. Supplies LanceRuntime / LanceConstant (used by LanceProbe) and
pulls in lance-core for the Lance Java API. The knn core (LanceKnnJoinStage, LanceProbe,
Metric, ...) lives in this module's own src, so no separate knn artifact is needed.
Exclude the netty buffer patch: Spark 4.2 (provided) supplies arrow 19.0.0 already.
-->
<dependency>
<groupId>org.lance</groupId>
<artifactId>lance-spark-base_${scala.compat.version}</artifactId>
<version>${project.version}</version>
<exclusions>
<exclusion>
<groupId>org.apache.arrow</groupId>
<artifactId>arrow-memory-netty-buffer-patch</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- Test-runtime: the Spark 4.2 connector so the e2e test's format("lance") resolves. -->
<dependency>
<groupId>org.lance</groupId>
<artifactId>lance-spark-4.2_${scala.compat.version}</artifactId>
<version>${project.version}</version>
<scope>test</scope>
</dependency>
<!-- junit-jupiter (test) is inherited from the root pom's global dependencies. -->
</dependencies>

<build>
<plugins>
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>scala-maven-plugin</artifactId>
<version>${scala-maven-plugin.version}</version>
<executions>
<execution>
<id>scala-compile-first</id>
<phase>process-resources</phase>
<goals>
<goal>compile</goal>
</goals>
</execution>
<execution>
<id>scala-test-compile</id>
<phase>process-test-resources</phase>
<goals>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
<configuration>
<args>
<arg>-feature</arg>
<arg>-release</arg>
<arg>${java.release}</arg>
</args>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<release>${java.release}</release>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>java21</id>
<properties>
<java.release>21</java.release>
</properties>
</profile>
</profiles>
</project>
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