Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/426#discussion_r26206133
--- Diff:
flink-java/src/main/java/org/apache/flink/api/java/io/CsvInputFormat.java ---
@@ -152,6 +177,38 @@ public void setFields(boolean[] sourceFieldMask,
Class<?>[] fieldTypes) {
public Class<?>[] getFieldTypes() {
return super.getGenericFieldTypes();
}
+
+ public void setFieldsMap(String[] fieldsMap) {
+ Preconditions.checkNotNull(fieldsMap);
+ Preconditions.checkState(typeInformation instanceof
PojoTypeInfo);
+
+ PojoTypeInfo<OUT> pojoTypeInfo = (PojoTypeInfo<OUT>)
typeInformation;
+
+ String[] fields = pojoTypeInfo.getFieldNames();
+ Class<?>[] fieldTypes = getFieldTypes();
+ this.fieldsMap = Arrays.copyOfRange(fieldsMap, 0,
fieldsMap.length);
+
+ boolean[] includeMask = new boolean[fieldsMap.length];
+ Class<?>[] newFieldTypes = new Class<?>[fieldsMap.length];
+
+ for (int i = 0; i < fieldsMap.length; i++) {
+ if (fieldsMap[i] == null) {
--- End diff --
IMO, ``null`` values should not be allowed in the ``fieldsMap``. Can you
throw an exception in that case?
The ``fieldsMap`` should be a list of fields that are mapped to columns in
the CSV file. As said before, the columns that are read by the format are
defined by the ``includeMask``.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
