yihua commented on code in PR #9876:
URL: https://github.com/apache/hudi/pull/9876#discussion_r1367806866
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hudi-client/hudi-client-common/src/main/java/org/apache/hudi/config/HoodieWriteConfig.java:
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@@ -755,6 +756,24 @@ public class HoodieWriteConfig extends HoodieConfig {
.withDocumentation("Whether to write record positions to the block
header for data blocks containing updates and delete blocks. "
+ "The record positions can be used to improve the performance of
merging records from base and log files.");
+ public static final ConfigProperty<Boolean> WRITE_PARTIAL_UPDATES =
ConfigProperty
+ .key("hoodie.write.partial.updates")
+ .defaultValue(false)
+ .markAdvanced()
+ .sinceVersion("1.0.0")
+ .withDocumentation("Whether to write partial updates to the data blocks
containing updates "
+ + "in MOR tables. The data blocks containing partial updates have a
schema with a "
+ + "subset of fields compared to the full schema of the table.
Partial updates are "
+ + "automatically turned on for Spark SQL MERGE INTO statement with
upserts to MOR tables.");
+
+ public static final ConfigProperty<String> WRITE_PARTIAL_UPDATE_SCHEMA =
ConfigProperty
+ .key("hoodie.write.partial.update.schema")
+ .defaultValue("")
+ .markAdvanced()
Review Comment:
Makes sense. will fix it.
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