muyihao commented on code in PR #11914:
URL: https://github.com/apache/hudi/pull/11914#discussion_r1769525755
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hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/SchemaEvolutionContext.java:
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@@ -98,19 +101,63 @@ public SchemaEvolutionContext(InputSplit split, JobConf
job) throws IOException
public SchemaEvolutionContext(InputSplit split, JobConf job,
Option<HoodieTableMetaClient> metaClientOption) throws IOException {
this.split = split;
this.job = job;
- this.metaClient = metaClientOption.isPresent() ? metaClientOption.get() :
setUpHoodieTableMetaClient();
- if (this.metaClient == null) {
+ if (!job.getBoolean(HIVE_EVOLUTION_ENABLE, true)) {
+ LOG.info("schema evolution is disabled for split: {}", split);
internalSchemaOption = Option.empty();
+ this.metaClient = null;
return;
}
+ this.metaClient = metaClientOption.isPresent() ? metaClientOption.get() :
setUpHoodieTableMetaClient();
+ this.internalSchemaOption = getInternalSchemaFromCache();
+ LOG.info("finish init schema evolution for split: {}", split);
+ }
+
+ public Option<InternalSchema> getInternalSchemaFromCache() throws
IOException {
+ Option<InternalSchema> internalSchema = getCachedData(
+ HoodieCombineHiveInputFormat.INTERNAL_SCHEMA_CACHE_KEY_PREFIX,
+ json -> SerDeHelper.fromJson(json)
+ );
+ if (internalSchema != null && internalSchema.isPresent()) {
+ LOG.info("get internal schema from conf for split: {}" + split);
Review Comment:
Will remove it
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