twalthr commented on a change in pull request #18764:
URL: https://github.com/apache/flink/pull/18764#discussion_r810898336
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File path:
flink-table/flink-sql-parser/src/main/codegen/includes/parserImpls.ftl
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@@ -1711,7 +1711,12 @@ SqlEndStatementSet SqlEndStatementSet() :
/**
* Parse a statement set.
-* END;
+*
+* STATEMENT SET BEGIN (RichSqlInsert();)+ END
+*
+* Note that when using this parser directive with OrderedQueryOrExpr,
+* you might have choice conflicts because STATEMENT is not a reserved keyword,
Review comment:
Can we make it a reserved keyword? I don't see a reason why not. We have
many reserved keywords and users can simply escape them.
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