Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/1885#discussion_r59722991
--- Diff:
flink-batch-connectors/flink-jdbc/src/main/java/org/apache/flink/api/java/io/jdbc/JDBCInputFormat.java
---
@@ -232,7 +255,7 @@ private void addValue(OUT reuse) throws IOException,
SQLException {
reuse.setField(resultSet.getInt(pos + 1), pos);
break;
case java.sql.Types.FLOAT:
-
reuse.setField(resultSet.getDouble(pos + 1), pos);
+
reuse.setField(resultSet.getFloat(pos + 1), pos);
--- End diff --
I'm aware of the confusion. However that is something users will have to
live with; we can't just change the data so that a user doesn't run into an
exception he _should_ run into.
All we can do is document the mapping and hope that people will read it.
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