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https://issues.apache.org/jira/browse/FLINK-11206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16725707#comment-16725707
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ambition commented on FLINK-11206:
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sorry, I just see this doc
https://docs.google.com/document/d/1TTP-GCC8wSsibJaSUyFZ_5NBAHYEB1FVmPpP7RgDGBA/edit#
> sql statement parser enhancement
> --------------------------------
>
> Key: FLINK-11206
> URL: https://issues.apache.org/jira/browse/FLINK-11206
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Affects Versions: 1.6.2, 1.7.0
> Reporter: ambition
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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:
> {code:java}
> create or drop schema;
> create or drop table;
> create or drop view;
> ...{code}
> favorable for subsequent expansion and enrichment.
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