danny0405 commented on issue #12988:
URL: https://github.com/apache/hudi/issues/12988#issuecomment-2739325285
You still need to specify the index type for the target delete table,
currently the index type is kind of a write config, here is the logic for the
index_bootstrap op:
```java
// Pipeline.java
public static DataStream<HoodieFlinkInternalRow> bootstrap(
Configuration conf,
RowType rowType,
DataStream<RowData> dataStream,
boolean bounded,
boolean overwrite) {
final boolean globalIndex =
conf.getBoolean(FlinkOptions.INDEX_GLOBAL_ENABLED);
if (overwrite || OptionsResolver.isBucketIndexType(conf)) {
return rowDataToHoodieRecord(conf, rowType, dataStream);
} else if (bounded && !globalIndex &&
OptionsResolver.isPartitionedTable(conf)) {
return boundedBootstrap(conf, rowType, dataStream);
} else {
return streamBootstrap(conf, rowType, dataStream, bounded);
}
}
```
If the index type is `BUCKET`, the index_bootstrap would be skipped.
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