hackergin commented on code in PR #22939:
URL: https://github.com/apache/flink/pull/22939#discussion_r1268195677
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flink-table/flink-table-planner/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java:
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@@ -2927,7 +2948,37 @@ private void convertTemporalTable(Blackboard bb, SqlCall
call) {
// convert inner query, could be a table name or a derived table
SqlNode expr = snapshot.getTableRef();
- convertFrom(bb, expr);
+ SqlNode tableRef = snapshot.getTableRef();
+ // Since we have simplified the SqlSnapshot in the validate phase, we
only need to check
Review Comment:
I mean reduce the period expression.
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