huaxingao commented on code in PR #12771:
URL: https://github.com/apache/iceberg/pull/12771#discussion_r2083367857
##########
parquet/src/main/java/org/apache/iceberg/parquet/Parquet.java:
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@@ -401,6 +405,22 @@ public <D> FileAppender<D> build() throws IOException {
Preconditions.checkState(fileAADPrefix == null, "AAD prefix set with
null encryption key");
}
+ Map<String, String> colNameToParquetPathMap =
+ type.getColumns().stream()
+ .filter(col -> col.getPrimitiveType().getId() != null)
+ .filter(
+ col -> {
+ int fieldId = col.getPrimitiveType().getId().intValue();
+ return schema.findColumnName(fieldId) != null;
+ })
+ .collect(
+ Collectors.toMap(
+ col -> {
+ int fieldId =
col.getPrimitiveType().getId().intValue();
+ return schema.findColumnName(fieldId);
Review Comment:
Nit: The getId() and findColumnName() logic is used multiple times. Could we
extract it into a helper method?
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