hackergin commented on code in PR #22939:
URL: https://github.com/apache/flink/pull/22939#discussion_r1254467327
##########
flink-table/flink-table-planner/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java:
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@@ -2624,7 +2624,7 @@ private SqlNode registerFrom(
usingScope,
register,
operand,
- enclosingNode,
+ call,
Review Comment:
@luoyuxia I modify this as time travel with as expression not work well .
SELECT * FROM test_tb FOR SYSTEM_TIME AF OF TIMESTAMP '2023-01-01 01:00' as
t2
If I don't modity this, in FlinkCalciteSqlValidator:registerNamespace
method, ns.getEnclosingNode will not be SqlSnapshot.
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