[jira] [Assigned] (FLINK-12810) Support to run a TableAPI query like 'table.select('a, 'b, 'c)' in Blink runner

["Jingsong Lee (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-12810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jingsong Lee reassigned FLINK-12810:
------------------------------------

    Assignee: Jing Zhang

> Support to run a TableAPI query like 'table.select('a, 'b, 'c)' in Blink runner
> -------------------------------------------------------------------------------
>
>                 Key: FLINK-12810
>                 URL: https://issues.apache.org/jira/browse/FLINK-12810
>             Project: Flink
>          Issue Type: Task
>          Components: Table SQL / Planner
>            Reporter: Jing Zhang
>            Assignee: Jing Zhang
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Support to run a TableAPI query like 'table.select('a, 'b, 'c)', including:
> 1. add RexNodeConverter to convert Expression to RexNode
> 2. Introduce RexPlannerExpression to wraps a RexNode, which is similar to RexPlannerExpression in flink-planner module.
> 3. add QueryOperationConverter to convert QueryOperation tree to RelNode
> 4. Introduce PlannerQueryOperation to wraps a RelNode in QueryOperation, which is similar to PlannerQueryOperation in flink-planner module.
> 5. add OperationTreeBuilder and relative classes(ExpressionResolver, TableReferenceLookup, FieldReferenceLoopup, ExpandColumnFunctionsRule, LookupCallByNameRule, ResolverRule, StarReferenceFlattingRule, VerifyNoUnresolvedExpressionRule), which is almost copy from flink-planner module to blink-planner module, except that we remove dependency on PlannerExpression. **Note: This is temporal solution, since OperationTreeBuilder will be moved to api module finally.**
> 6. add implicit conversion in expressionDsl



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