stevenzwu commented on a change in pull request #2863:
URL: https://github.com/apache/iceberg/pull/2863#discussion_r695007331
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File path: flink/src/main/java/org/apache/iceberg/flink/IcebergTableSink.java
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@@ -63,6 +72,7 @@ public SinkRuntimeProvider getSinkRuntimeProvider(Context
context) {
.tableLoader(tableLoader)
.tableSchema(tableSchema)
.equalityFieldColumns(equalityColumns)
+ .upsert(PropertyUtil.propertyAsBoolean(tableProperties,
UPSERT_MODE_ENABLED, UPSERT_MODE_ENABLED_DEFAULT))
Review comment:
do we need to pass in the table properties for the upsert flag?
`FlinkSink.Builder.build()` method internally open the table from TableLoader
(if not passed in). Can we extract the prop inside the `build()` method.
Also we probably can add a validation that `upsert` and `overwrite` aren't
enabled at the same time?
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