stevenzwu commented on code in PR #5220:
URL: https://github.com/apache/iceberg/pull/5220#discussion_r916344321
##########
flink/v1.15/flink/src/main/java/org/apache/iceberg/flink/source/IcebergSource.java:
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@@ -273,12 +287,21 @@ public Builder properties(Map<String, String> properties)
{
}
public IcebergSource<T> build() {
+ ScanContext context = contextBuilder.build();
+ if (readerFunction == null) {
+ try (TableLoader loader = tableLoader) {
+ loader.open();
+ Table table = tableLoader.loadTable();
+ RowDataReaderFunction rowDataReaderFunction = new
RowDataReaderFunction(flinkConfig, table.schema(),
+ context.project(), context.nameMapping(),
context.caseSensitive(), table.io(), table.encryption());
+ this.readerFunction = (ReaderFunction<T>) rowDataReaderFunction;
Review Comment:
not sure if there is a better way than runtime type cast.
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