chenjunjiedada commented on code in PR #4577:
URL: https://github.com/apache/iceberg/pull/4577#discussion_r851851785
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core/src/main/java/org/apache/iceberg/avro/BuildAvroProjection.java:
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@@ -106,10 +106,16 @@ public Schema record(Schema record, List<String> names,
Iterable<Schema.Field> s
"Missing required field: %s", field.name());
// Create a field that will be defaulted to null. We assign a unique
suffix to the field
// to make sure that even if records in the file have the field it is
not projected.
+ String origFieldName = field.name();
+ boolean isValidFieldName = AvroSchemaUtil.validAvroName(origFieldName);
+ String fieldName = isValidFieldName ? origFieldName :
AvroSchemaUtil.sanitize(origFieldName);
Review Comment:
extra space after '='
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