yihua commented on code in PR #19029:
URL: https://github.com/apache/hudi/pull/19029#discussion_r3429220988
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hudi-common/src/main/java/org/apache/hudi/common/config/HoodieCommonConfig.java:
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@@ -83,6 +83,15 @@ public class HoodieCommonConfig extends HoodieConfig {
+ " operation will fail schema compatibility check. Set this option
to true will make the missing "
+ " column be filled with null values to successfully complete the
write operation.");
+ public static final ConfigProperty<Boolean>
ALLOW_TIMESTAMP_PRECISION_EVOLUTION = ConfigProperty
+ .key("hoodie.write.schema.allow.timestamp.precision.evolution")
+ .defaultValue(false)
+ .markAdvanced()
+ .sinceVersion("1.3.0")
+ .withDocumentation("Controls whether schema evolution may change a
column between timestamp-millis and "
Review Comment:
`long -> local-timestamp` is backward compatible for readers. The logical
type `local-timestamp` is now supported on master, so we can keep this part out
for simplicity.
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