rdsr commented on a change in pull request #207: Add external schema mappings
for files written with name-based schemas #40
URL: https://github.com/apache/incubator-iceberg/pull/207#discussion_r330287265
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File path: core/src/main/java/org/apache/iceberg/avro/BuildAvroProjection.java
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@@ -165,13 +165,14 @@ public Schema array(Schema array, Supplier<Schema>
element) {
try {
Schema keyValueSchema = array.getElementType();
Schema.Field keyField = keyValueSchema.getFields().get(0);
+ Schema.Field keyProjection = element.get().getField("key");
Schema.Field valueField = keyValueSchema.getFields().get(1);
Schema.Field valueProjection = element.get().getField("value");
// element was changed, create a new array
- if (valueProjection.schema() != valueField.schema()) {
+ if (keyProjection.schema() != keyField.schema() ||
valueProjection.schema() != valueField.schema()) {
return
AvroSchemaUtil.createProjectionMap(keyValueSchema.getFullName(),
- AvroSchemaUtil.getFieldId(keyField), keyField.name(),
keyField.schema(),
+ AvroSchemaUtil.getFieldId(keyField), keyField.name(),
keyProjection.schema(),
Review comment:
That makes sense. I'll remove
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