Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/14323#discussion_r72179986 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala --- @@ -138,6 +138,80 @@ object JdbcUtils extends Logging { throw new IllegalArgumentException(s"Can't get JDBC type for ${dt.simpleString}")) } + // A `JDBCValueGetter` is responsible for converting, getting a value from `Row` + // and then setting into a field for `PreparedStatement`. The last argument + // `Int` means the index for the value to be set in the SQL statement and also used + // for the value to retrieve from `Row`. + private type JDBCValueGetter = (PreparedStatement, Row, Int) => Unit --- End diff -- Sure! thanks!
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