[#7895]improvement(flink-connector): update flink connector document to make it better#7920
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[#7895]improvement(flink-connector): update flink connector document to make it better#7920
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FANNG1
reviewed
Aug 4, 2025
FANNG1
reviewed
Aug 4, 2025
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| 3. Execute the Flink SQL query. | ||
| 3. Add necessary jar files to Flink's `lib` sub-folder. | ||
| To run Flink with Gravitino connector and then access the data sources like Hive, Iceberg and others, you need to put the necessary jar files into Flink's `lib` folder. For example, to access Hive, you need to add at least these jar files: `flink-connector-hive_{version}.jar`, `hive-metastore-{version}.jar`, `hive-exec-{version}-core.jar`, `hive-serde-{version}.jar`, `hive-shims-common-{version}.jar`, `hive-storage-api-{version}.jar`, etc. |
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Flink package doesn't contain hive jars?
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Right, it doesn't contain hive jars by default; so we need to copy many jar files. This is the original list:
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There are different ways to add hive dependencies. I would suggest adding a reference to https://nightlies.apache.org/flink/flink-docs-master/docs/connectors/table/hive/overview/#dependencies
FANNG1
reviewed
Aug 4, 2025
| - [`gravitino-flink-connector-runtime-1.18_2.12-${gravitino-version}.jar`](https://mvnrepository.com/artifact/org.apache.gravitino/gravitino-flink-connector-runtime-1.18) | ||
| - JDBC driver | ||
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| Next, edit the JDBC catalog in Gravitino, add the `flink.bypass.default-database` property, and give it an value of the default database. |
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Could you polish this sentence? it's odd to use edit, user may doesn't create jdbc catalog yet.
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Done, please check it again.
FANNG1
approved these changes
Aug 6, 2025
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What changes were proposed in this pull request?
The flink document has something wrong, which may make the user confusing.
Why are the changes needed?
Fix: #7895
Does this PR introduce any user-facing change?
No, only documentation.
How was this patch tested?
Tested by manual, with latest 0.9.1 release and Flink 1.18 version.