amogh-jahagirdar commented on code in PR #12102:
URL: https://github.com/apache/iceberg/pull/12102#discussion_r1932512713
##########
parquet/src/main/java/org/apache/iceberg/parquet/ParquetValueReaders.java:
##########
@@ -52,6 +59,81 @@ public static <T> ParquetValueReader<T> option(
return reader;
}
+ public static ParquetValueReader<Integer> unboxed(ColumnDescriptor desc) {
+ return new UnboxedReader<>(desc);
+ }
+
+ public static ParquetValueReader<String> strings(ColumnDescriptor desc) {
+ return new StringReader(desc);
+ }
+
+ public static ParquetValueReader<ByteBuffer> byteBuffers(ColumnDescriptor
desc) {
+ return new BytesReader(desc);
+ }
+
+ public static ParquetValueReader<Long> intsAsLongs(ColumnDescriptor desc) {
+ return new IntAsLongReader(desc);
+ }
+
+ public static ParquetValueReader<Double> floatsAsDoubles(ColumnDescriptor
desc) {
+ return new FloatAsDoubleReader(desc);
+ }
+
+ public static ParquetValueReader<BigDecimal> bigDecimals(ColumnDescriptor
desc) {
+ LogicalTypeAnnotation decimal =
desc.getPrimitiveType().getLogicalTypeAnnotation();
+ Preconditions.checkArgument(
+ decimal instanceof DecimalLogicalTypeAnnotation,
+ "Invalid timestamp logical type: " + decimal);
+
+ int scale = ((DecimalLogicalTypeAnnotation) decimal).getScale();
+
+ switch (desc.getPrimitiveType().getPrimitiveTypeName()) {
+ case FIXED_LEN_BYTE_ARRAY:
+ case BINARY:
+ return new BinaryAsDecimalReader(desc, scale);
+ case INT64:
+ return new LongAsDecimalReader(desc, scale);
+ case INT32:
+ return new IntegerAsDecimalReader(desc, scale);
+ }
Review Comment:
```suggestion
}
```
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