Ingo Bürk created FLINK-22770:
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Summary: Expose SET/RESET from the parser
Key: FLINK-22770
URL: https://issues.apache.org/jira/browse/FLINK-22770
Project: Flink
Issue Type: New Feature
Components: Table SQL / API, Table SQL / Planner
Affects Versions: 1.13.0
Reporter: Ingo Bürk
The SET/RESET statements (DCL¹) are currently implemented using regular
expressions in the ExtendedParser. They should instead be properly added to the
grammar and parser.
In a second step, the ExtendedParser implementation for it can be removed.
However, this would be a breaking change as key/value would then have to be
quoted (as they are in other places, i.e. table options) and no longer be
treated as SQL identifiers.
¹ SET also exists in a no-argument version where it becomes DQL. For the scope
of this issue I'm excluding this here.
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