xuzifu666 commented on code in PR #5193:
URL: https://github.com/apache/calcite/pull/5193#discussion_r3821466744
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core/src/main/codegen/templates/Parser.jj:
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@@ -2516,9 +2516,7 @@ SqlNode TableRef3(ExprContext exprContext, boolean
lateral) :
// Standard SQL (and Postgres) allow applying "AS alias" to a JOIN,
// e.g. "FROM (a CROSS JOIN b) AS c". The new alias obscures the
// internal aliases, and columns cannot be referenced if they are
- // not unique. TODO: Support this behavior; see
- // [CALCITE-5168] Allow AS after parenthesized JOIN
- checkNotJoin(tableRef);
+ // not unique. See [CALCITE-5168] Allow AS after parenthesized
JOIN.
Review Comment:
You are right, it is not need to introduce, I remove it.
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