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Retain the type of field while copying the default values. #109

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Merged
rzhang10 merged 2 commits into from
May 24, 2022
Merged

Retain the type of field while copying the default values. #109

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14c2a77
Retain the type of field while copying the default values.
maluchari May 18, 2022
bea9504
Addressed review comments
maluchari May 23, 2022
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8 changes: 4 additions & 4 deletions core/src/main/java/org/apache/iceberg/avro/BuildAvroProjection.java
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Original file line number Diff line number Diff line change
Expand Up @@ -92,13 +92,13 @@ public Schema record(Schema record, List<String> names, Iterable<Schema.Field> s

if (avroField != null) {
// if the expectedField has a defaultValue, but the avroField does not, we need to
// create a newField to copy over the non-null default value
// create a newField to copy over the non-null default value.
if (expectedField.hasDefaultValue() && !AvroSchemaUtil.hasNonNullDefaultValue(avroField)) {
Schema newFiledSchema = (expectedField.isOptional()) ?
AvroSchemaUtil.toOption(AvroSchemaUtil.convert(expectedField.type()), true) :
AvroSchemaUtil.convert(expectedField.type());
AvroSchemaUtil.toOption(avroField.schema(), true) :
avroField.schema();
Schema.Field newField =
new Schema.Field(avroField.name(), newFiledSchema, avroField.doc(), expectedField.getDefaultValue());
new Schema.Field(avroField.name(), newFiledSchema, avroField.doc(), expectedField.getDefaultValue());
newField.addProp(AvroSchemaUtil.FIELD_ID_PROP, expectedField.fieldId());
updatedFields.add(newField);
hasChange = true;
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