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[jira] [Created] (FLINK-11206) sql statement parser enhancement

ambition created FLINK-11206:

             Summary: sql statement parser enhancement
                 Key: FLINK-11206
             Project: Flink
          Issue Type: Improvement
          Components: Table API & SQL
    Affects Versions: 1.7.0, 1.6.2
            Reporter: ambition

change calcite-core to calcite-server, use SqlDdlParserImpl to parse sql. SqlDdlParserImpl extends its grammar on the basis of SqlParser, which supports much more grammar than SqlParser, such as:
create or drop schema;
create or drop table;
create or drop view;
favorable for subsequent expansion and enrichment.

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