Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/20057#discussion_r168883676
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/jdbc/TeradataDialect.scala ---
@@ -31,4 +31,16 @@ private case object TeradataDialect extends JdbcDialect {
case BooleanType => Option(JdbcType("CHAR(1)", java.sql.Types.CHAR))
case _ => None
}
+
+ /**
+ * The SQL query used to truncate a table.
--- End diff --
ditto.
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