jackye1995 commented on a change in pull request #4083:
URL: https://github.com/apache/iceberg/pull/4083#discussion_r804361534
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File path: core/src/main/java/org/apache/iceberg/avro/Avro.java
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@@ -217,17 +211,41 @@ static Context deleteContext(Map<String, String> config) {
Context dataContext = dataContext(config);
String codecAsString = config.get(DELETE_AVRO_COMPRESSION);
- CodecFactory codec = codecAsString != null ? toCodec(codecAsString) :
dataContext.codec();
+ String compressionLevel =
config.getOrDefault(DELETE_AVRO_COMPRESSION_LEVEL,
AVRO_COMPRESSION_LEVEL_DEFAULT);
+ CodecFactory codec = codecAsString != null ? toCodec(codecAsString,
compressionLevel) : dataContext.codec();
return new Context(codec);
}
- private static CodecFactory toCodec(String codecAsString) {
+ private static CodecFactory toCodec(String codecAsString, String
compressionLevel) {
+ CodecFactory codecFactory = null;
try {
- return
CodecName.valueOf(codecAsString.toUpperCase(Locale.ENGLISH)).get();
+ switch (Codec.valueOf(codecAsString.toUpperCase(Locale.ENGLISH))) {
+ case UNCOMPRESSED:
+ codecFactory = CodecFactory.nullCodec();
+ break;
+ case SNAPPY:
+ codecFactory = CodecFactory.snappyCodec();
+ break;
+ case ZSTD:
+ codecFactory = CodecFactory.zstandardCodec(
+ compressionLevelAsInt(compressionLevel,
ZSTD_COMPRESSION_LEVEL_DEFAULT));
+ break;
+ case GZIP:
+ codecFactory = CodecFactory.deflateCodec(
+ compressionLevelAsInt(compressionLevel,
GZIP_COMPRESSION_LEVEL_DEFAULT));
+ break;
+ default:
+ throw new IllegalArgumentException("Unsupported compression
codec: " + codecAsString);
+ }
} catch (IllegalArgumentException e) {
throw new IllegalArgumentException("Unsupported compression codec: "
+ codecAsString);
}
+ return codecFactory;
+ }
+
+ private static int compressionLevelAsInt(String tableCompressionLevel,
int defaultCompressionLevel) {
Review comment:
can use `PropertyUtil.propertyAsInt`, no need for another util method
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