prodeezy commented on a change in pull request #498: Adding partition transform
builder methods to set custom target field names
URL: https://github.com/apache/incubator-iceberg/pull/498#discussion_r328753324
##########
File path: api/src/main/java/org/apache/iceberg/PartitionSpec.java
##########
@@ -357,76 +357,100 @@ public Builder withSpecId(int newSpecId) {
return sourceColumn;
}
- public Builder identity(String sourceName) {
- checkAndAddPartitionName(sourceName);
+
+ public Builder identity(String sourceName, String targetName) {
+ checkAndAddPartitionName(targetName);
Types.NestedField sourceColumn = findSourceColumn(sourceName);
fields.add(new PartitionField(
- sourceColumn.fieldId(), sourceName,
Transforms.identity(sourceColumn.type())));
+ sourceColumn.fieldId(), targetName,
Transforms.identity(sourceColumn.type())));
return this;
}
- public Builder year(String sourceName) {
- String name = sourceName + "_year";
- checkAndAddPartitionName(name);
+ public Builder identity(String sourceName) {
+ return identity(sourceName, sourceName);
+ }
+
+ public Builder year(String sourceName, String targetName) {
+
Review comment:
done
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