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_r328903596
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File path: api/src/main/java/org/apache/iceberg/PartitionSpec.java
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@@ -331,7 +331,11 @@ private Builder(Schema schema) {
this.schema = schema;
}
- private void checkAndAddPartitionName(String name) {
+ private void checkAndAddPartitionName(String name, String transform) {
+ if (!transform.equalsIgnoreCase("identity")) {
Review comment:
Done. Only change I made to your logic is I handled both cases in separate
if-else condition blocks as the identity case is unique from the other
transform cases.
```
if (identitySourceColumnId != null) {
// for identity transform case we allow conflicts between partition
and schema field name as
// long as they are sourced from the same schema field
Preconditions.checkArgument(schemaField == null ||
schemaField.fieldId() == identitySourceColumnId,
"Cannot create identity partition not sourced from same field in
schema: %s", name);
} else {
// for all other transforms we don't allow conflicts between
partition name and schema field name
Preconditions.checkArgument(schemaField == null,
"Cannot create partition from name that exists in schema: %s",
name);
}
```
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