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Subject [GitHub] [flink] bowenli86 opened a new pull request #8205: [FLINK-12238] [TABLE/SQL] Support database related operations in GenericHiveMetastoreCatalog and setup flink-connector-hive module
Date Thu, 18 Apr 2019 06:13:04 GMT
bowenli86 opened a new pull request #8205: [FLINK-12238] [TABLE/SQL] Support database related
operations in GenericHiveMetastoreCatalog and setup flink-connector-hive module
URL: https://github.com/apache/flink/pull/8205
 
 
   ## What is the purpose of the change
   
   This PR creates GenericHiveMetastoreCatalog which implements ReadableWritableCatalog. It's
designed to persist all Flink streaming and batch metadata by using Hive metastore as a persistent
storage. Add database related operation support as a first step. 
   
   ## Brief change log
   
   - created GenericHiveMetastoreCatalog and implemented database related APIs of ReadableWritableCatalog
   - set up flink-connector-hive module as a result
   - abstracted common unit tests for GenericInMemoryCatalog and GenericHiveMetastoreCatalog
and put them into CatalogTestBase so we can reuse these unit tests
   
   ## Verifying this change
   
   This change added tests and can be verified as follows:
   
   - Reuse previous db related unit tests in GenericInMemoryCatalogTest and move them CatalogTestBase
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (yes)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no)
     - The serializers: (no )
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing,
Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (yes)
     - If yes, how is the feature documented? (JavaDocs)
   
   Documentation for GenericHiveMetastoreCatalog will be added later when we finish implementing
ReadableWritableCatalog APIs
   

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