yihua commented on code in PR #19304:
URL: https://github.com/apache/hudi/pull/19304#discussion_r4102915250
##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/keygen/KeyGenUtils.java:
##########
@@ -385,4 +408,91 @@ public static boolean
mayUseNewEncodingForComplexKeyGen(HoodieTableConfig tableC
return tableConfig.getTableVersion().lesserThan(HoodieTableVersion.NINE)
&& isComplexKeyGeneratorWithSingleRecordKeyField(tableConfig);
}
+
+ public static StoragePath getComplexKeyEncodingFilePath(StoragePath
basePath) {
+ return new StoragePath(basePath, AUXILIARYFOLDER_NAME + "/" +
COMPLEX_KEY_ENCODING_FILE_NAME);
+ }
+
+ public static Option<Boolean>
readComplexKeyEncodingFromAuxFile(HoodieStorage storage, StoragePath basePath) {
+ StoragePath encodingFilePath = getComplexKeyEncodingFilePath(basePath);
+ try {
+ if (storage.exists(encodingFilePath)) {
+ Properties props = new Properties();
+ try (InputStream inputStream = storage.open(encodingFilePath)) {
+ props.load(inputStream);
+ }
+ String value = props.getProperty(COMPLEX_KEYGEN_NEW_ENCODING.key());
+ if (value != null) {
+ return Option.of(Boolean.parseBoolean(value));
+ }
+ }
+ } catch (IOException e) {
+ LOG.warn("Failed to read complex key encoding from aux file: {}",
encodingFilePath, e);
+ }
+ return Option.empty();
+ }
+
+ public static void writeComplexKeyEncodingToAuxFile(HoodieStorage storage,
StoragePath basePath, boolean useNewEncoding) {
+ StoragePath encodingFilePath = getComplexKeyEncodingFilePath(basePath);
+ try {
+ Properties props = new Properties();
+ props.setProperty(COMPLEX_KEYGEN_NEW_ENCODING.key(),
String.valueOf(useNewEncoding));
+ try (OutputStream outputStream = storage.create(encodingFilePath, true))
{
+ props.store(outputStream, "Complex key generator encoding format");
+ }
+ LOG.info("Wrote complex key encoding to aux file: {}", useNewEncoding);
+ } catch (IOException e) {
+ throw new HoodieKeyException("Failed to write complex key encoding file
to " + encodingFilePath, e);
+ }
+ }
+
+ public static final boolean DEFAULT_NEW_ENCODING_FOR_NEW_TABLE = true;
Review Comment:
No longer relevant
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