sarutak commented on a change in pull request #31491:
URL: https://github.com/apache/spark/pull/31491#discussion_r573841048
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File path: sql/core/src/test/scala/org/apache/spark/sql/jdbc/JDBCSuite.scala
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@@ -1781,4 +1783,28 @@ class JDBCSuite extends QueryTest
assert(options.asProperties.get("url") == url)
assert(options.asProperties.get("dbtable") == "table3")
}
+
+ test("SPARK-34379: Map JDBC RowID to StringType rather than LongType") {
+ val mockRsmd = mock(classOf[java.sql.ResultSetMetaData])
Review comment:
It cannot.
H2 has `_rowid_` as a hidden column but it's not compatible with JDBC ROWID.
`_rowid_` is represented as `long` and H2 doesn't support `getRowId`.
https://github.com/h2database/h2database/blob/6290b79a2418189c5faa0e0506bf6503fc7630e6/h2/src/main/org/h2/jdbc/JdbcResultSet.java#L3292
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