pan3793 opened a new pull request, #53230:
URL: https://github.com/apache/spark/pull/53230
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### What changes were proposed in this pull request?
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The Connect JDBC driver is built on top of the Connect JVM client, so it
should declare the Connect JVM client as the dependency, and Maven will resolve
transitive deps correctly.
Note, many RDBMS products provide a single no-deps JDBC driver jar to
simplify downstream projects' integration, while this is not achieved at the
current stage, and may be considered in the future.
### Why are the changes needed?
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Fix Connect JDBC driver dependency management.
For example, it should not pull protobuf libs which are already shaded in
connect-jdbc-client.
https://mvnrepository.com/artifact/org.apache.spark/spark-connect-client-jdbc_2.13/4.1.0-preview4
### Does this PR introduce _any_ user-facing change?
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No, the Connect JDBC driver is not released yet.
### How was this patch tested?
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Pass GHA, plus manual verifications.
- Checked the effective `pom.xml` which is located at
`sql/connect/client/jdbc/dependency-reduced-pom.xml` after compiling, only one
compile scope dep.
```xml
<dependency>
<groupId>org.apache.spark</groupId>
<artifactId>spark-connect-client-jvm_2.13</artifactId>
<version>4.2.0-SNAPSHOT</version>
<scope>compile</scope>
</dependency>
```
- Verified locally by running tests using Maven/SBT
Maven
```
build/mvn -Phive,hive-thriftserver -pl sql/connect/client/jdbc -am clean
install -DskipTests
build/mvn -Phive,hive-thriftserver -pl sql/connect/client/jdbc test
```
SBT
```
build/sbt -Phive,hive-thriftserver "connect-client-jdbc/test"
```
- Verified CLI cases with BeeLine by creating a binary release artifact
using Maven/SBT
Launch a Connect Server first, then
```
dev/make-distribution.sh [--sbt-enabled] -Phive,hive-thriftserver
cd dist
SPARK_CONNECT_BEELINE=1 bin/beeline -u jdbc:sc://localhost:15002 -e
"select 'Hello, Spark Connect!', version() as server_version;"
```
### Was this patch authored or co-authored using generative AI tooling?
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No.
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