[jira] [Created] (FLINK-11967) Add Column Operators/Operations

[Shang Yuanchun (Jira)]

sunjincheng created FLINK-11967:
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             Summary: Add Column Operators/Operations
                 Key: FLINK-11967
                 URL: https://issues.apache.org/jira/browse/FLINK-11967
             Project: Flink
          Issue Type: Sub-task
          Components: API / Table SQL
            Reporter: sunjincheng


In this Jira will add column operators/operations as follows:

1)   Table(schema) operators
 * Add columns
 * Replace columns
 * Drop columns
 * Rename columns

2）Fine-grained column/row operations
 * Column selection
 * Row package and flatten

See [google doc|https://docs.google.com/document/d/1tryl6swt1K1pw7yvv5pdvFXSxfrBZ3_OkOObymis2ck/edit]



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