Reo-LEI commented on a change in pull request #2863:
URL: https://github.com/apache/iceberg/pull/2863#discussion_r704949371
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File path: flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
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@@ -321,7 +339,27 @@ private String operatorName(String suffix) {
equalityFieldIds.add(field.fieldId());
}
}
- IcebergStreamWriter<RowData> streamWriter = createStreamWriter(table,
flinkRowType, equalityFieldIds);
+
+ // Fallback to use upsert mode parsed from table properties if don't
specify in job level.
+ boolean upsertMode = upsert ||
PropertyUtil.propertyAsBoolean(table.properties(),
+ UPSERT_MODE_ENABLE, UPSERT_MODE_ENABLE_DEFAULT);
+
+ // Validate the equality fields and partition fields if we enable the
upsert mode.
+ if (upsertMode) {
+ Preconditions.checkState(!overwrite,
+ "OVERWRITE mode shouldn't be enable when configuring to use UPSERT
data stream.");
Review comment:
I have added a unittest to cover this, thanks for your reminder！:)
@kbendick
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