alexeykudinkin commented on code in PR #6196:
URL: https://github.com/apache/hudi/pull/6196#discussion_r974651748
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hudi-common/src/main/java/org/apache/hudi/common/config/HoodieCommonConfig.java:
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@@ -38,7 +38,7 @@ public class HoodieCommonConfig extends HoodieConfig {
public static final ConfigProperty<Boolean> RECONCILE_SCHEMA = ConfigProperty
.key("hoodie.datasource.write.reconcile.schema")
- .defaultValue(false)
+ .defaultValue(true)
Review Comment:
@yihua it's more of a discussion what should be the default behavior:
- Should we (by default) favor existing table's schema a SoT and rewrite
incoming batch into it (unless Schema Evolution is enabled, in that case we
will try to evolve the schema)
- Should we (by default) favor incoming batch's schema as the schema we
want table to be rewritten in
I still think that the #1 is a safer option as a default (optimizing for
least amount of surprise to the user)
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