TJX2014 commented on a change in pull request #28856:
URL: https://github.com/apache/spark/pull/28856#discussion_r444297027
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
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@@ -2589,6 +2589,8 @@ object Sequence {
}
}
+ // To generate time sequences, we use scale 1 in TemporalSequenceImpl
+ // for `TimestampType`, while MICROS_PER_DAY for `DateType`
Review comment:
Seems pgsql can only support int as follows：
postgres= create sequence seq_test;
CREATE SEQUENCE
postgres= select nextval('seq_test');
1
(1 行记录)
postgres= select nextval('seq_test');
2
(1 行记录)
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