[GitHub] [flink] danny0405 opened a new pull request #8548: [FLINK-6962] [table] Add a create table SQL DDL

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danny0405 opened a new pull request #8548: [FLINK-6962] [table] Add a create table SQL DDL
URL: https://github.com/apache/flink/pull/8548
 
 
   ## What is the purpose of the change
   
   This pull request create a new module flink-sql-parser as a sub-module of flink-table. As a startup, only createTable/dropTable ddl grammar are supported for this patch. There also introduces a bridge class named `SqlExecutableStatement` which handle all the interaction between `SqlNode` to `TableEnvironment`.
   
   ## Brief change log
     - *Create a new module named flink-sql-parser*
     - *Support create/drop table DDL grammar*
     - *TaskManagers retrieve the TaskInfo from the blob cache*
   
   
   ## Verifying this change
   
   This change is already covered by existing tests, such as *FlinkSqlParserImplTest* and *FlinkSqlUnParserTest*.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): yes The flink-table-planner and flink-table-planner-blink will depends on this new module flink-sql-parser
     - 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
     - How is the feature documented? not documented
   

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