ajantha-bhat commented on a change in pull request #3887:
URL:
https://github.com/apache/carbondata/pull/3887#discussion_r479661505##########
File path: integration/presto/src/main/prestosql/org/apache/carbondata/presto/readers/ComplexTypeStreamReader.java
##########
@@ -0,0 +1,196 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *
http://www.apache.org/licenses/LICENSE-2.0+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.carbondata.presto.readers;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.Optional;
+
+import io.prestosql.spi.block.ArrayBlock;
+import io.prestosql.spi.block.RowBlock;
+import io.prestosql.spi.type.*;
+
+import org.apache.carbondata.core.metadata.datatype.DataType;
+import org.apache.carbondata.core.metadata.datatype.DataTypes;
+import org.apache.carbondata.core.metadata.datatype.StructField;
+import org.apache.carbondata.core.scan.result.vector.CarbonColumnVector;
+import org.apache.carbondata.core.scan.result.vector.impl.CarbonColumnVectorImpl;
+
+import io.prestosql.spi.block.Block;
+import io.prestosql.spi.block.BlockBuilder;
+
+import org.apache.carbondata.presto.CarbonVectorBatch;
+import org.apache.carbondata.presto.ColumnarVectorWrapperDirect;
+
+/**
+ * Class to read the complex type Stream [array/struct/map]
+ */
+
+public class ComplexTypeStreamReader extends CarbonColumnVectorImpl
+ implements PrestoVectorBlockBuilder {
+
+ protected int batchSize;
+
+ protected Type type;
+ protected BlockBuilder builder;
+
+ public ComplexTypeStreamReader(int batchSize, StructField field) {
+ super(batchSize, field.getDataType());
+ this.batchSize = batchSize;
+ this.type = getType(field);
+ ArrayList<CarbonColumnVector> childrenList = new ArrayList<>();
Review comment:
done
##########
File path: core/src/main/java/org/apache/carbondata/core/metadata/datatype/DecimalConverterFactory.java
##########
@@ -187,6 +197,43 @@ public void fillVector(Object valuesToBeConverted, int size,
vector.putDecimal(i, value, precision);
}
}
+ } else if (pageType == DataTypes.BYTE_ARRAY) {
+ // complex primitive decimal dimension
+ int offset = 0;
+ for (int j = 0; j < size; j++) {
+ // here decimal data will be Length[4 byte], scale[1 byte], value[Length byte]
+ int len = ByteBuffer.wrap(data, offset, DataTypes.INT.getSizeInBytes()).getInt();
+ offset += DataTypes.INT.getSizeInBytes();
Review comment:
done
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