stevenzwu commented on PR #6614:
URL: https://github.com/apache/iceberg/pull/6614#issuecomment-1387599939
BTW, this usage pattern of `TableLoader` also exists in `FlinkSink`.
```
private <T> DataStreamSink<T> chainIcebergOperators() {
Preconditions.checkArgument(
inputCreator != null,
"Please use forRowData() or forMapperOutputType() to initialize
the input DataStream.");
Preconditions.checkNotNull(tableLoader, "Table loader shouldn't be
null");
DataStream<RowData> rowDataInput = inputCreator.apply(uidPrefix);
if (table == null) {
tableLoader.open();
try (TableLoader loader = tableLoader) {
this.table = loader.loadTable();
} catch (IOException e) {
throw new UncheckedIOException(
"Failed to load iceberg table from table loader: " +
tableLoader, e);
}
}
```
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