cloud-fan commented on code in PR #40359:
URL: https://github.com/apache/spark/pull/40359#discussion_r1132005699
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sql/core/src/main/scala/org/apache/spark/sql/jdbc/OracleDialect.scala:
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@@ -181,19 +181,35 @@ private case object OracleDialect extends JdbcDialect {
if (limit > 0) s"WHERE rownum <= $limit" else ""
}
+ override def getOffsetClause(offset: Integer): String = {
+ // Oracle doesn't support OFFSET clause.
+ // We can use rownum > n to skip some rows in the result set.
+ // Note: rn is an alias of rownum.
Review Comment:
every table in oracle has the `rn` column?
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