shuwenwei commented on code in PR #14617:
URL: https://github.com/apache/iotdb/pull/14617#discussion_r2063063788
##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/schema/source/TableDeviceQuerySource.java:
##########
@@ -283,4 +347,39 @@ public long getMaxMemory(final ISchemaRegion schemaRegion)
{
: 0))
:
TSFileDescriptor.getInstance().getConfig().getMaxTsBlockSizeInBytes();
}
+
+ private static class RleBinaryColumnBuilder extends BinaryColumnBuilder {
+
+ private final BinaryColumnBuilder innerBuilder;
+
+ public RleBinaryColumnBuilder(final BinaryColumnBuilder innerBuilder) {
+ super(null, 0);
+ this.innerBuilder = innerBuilder;
+ }
+
+ @Override
+ public int getPositionCount() {
+ return innerBuilder.getPositionCount();
+ }
+
+ @Override
+ public ColumnBuilder writeBinary(final Binary value) {
+ return innerBuilder.writeBinary(value);
+ }
+
+ @Override
+ public ColumnBuilder appendNull() {
+ return innerBuilder.appendNull();
+ }
+
+ @Override
+ public Column build() {
+ return new RunLengthEncodedColumn(innerBuilder.build(),
getPositionCount());
Review Comment:
The column generated by innerBuilder may cause an IllegalArgumentException.
<img width="949" alt="截屏2025-04-28 15 38 23"
src="https://github.com/user-attachments/assets/e44e5f46-5b0e-4814-899d-6296c0e8104b";
/>
![Uploading 截屏2025-04-28 15.40.00.png…]()
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