danny0405 commented on a change in pull request #9712: [FLINK-13656]
[sql-parser][table-planner][table-planner-blink] Bump Calcite dependency to
1.21.0
URL: https://github.com/apache/flink/pull/9712#discussion_r327905534
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File path: flink-table/flink-sql-parser/src/main/codegen/data/Parser.tdd
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@@ -439,6 +424,14 @@
"SqlDropView"
]
+ # Binary operators tokens
Review comment:
This is extended from the core parser which is used for customizing the
binary operator tokens, for example, in PostgreSQL, we can have a `::` token to
implies `CAST` operator: `a :: INT` is equals to `CAST(a as INT)`.
For Flink, we does not need this now, the parser just complains if we does
not have such section.
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