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/*
* 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.spark.sql.vectorized;
import org.apache.spark.annotation.InterfaceStability;
import org.apache.spark.sql.catalyst.InternalRow;
import org.apache.spark.sql.catalyst.expressions.GenericInternalRow;
import org.apache.spark.sql.types.*;
import org.apache.spark.unsafe.types.CalendarInterval;
import org.apache.spark.unsafe.types.UTF8String;
/**
* Row abstraction in {@link ColumnVector}.
*/
@InterfaceStability.Evolving
public final class ColumnarRow extends InternalRow {
// The data for this row.
// E.g. the value of 3rd int field is `data.getChild(3).getInt(rowId)`.
private final ColumnVector data;
private final int rowId;
private final int numFields;
public ColumnarRow(ColumnVector data, int rowId) {
assert (data.dataType() instanceof StructType);
this.data = data;
this.rowId = rowId;
this.numFields = ((StructType) data.dataType()).size();
}
@Override
public int numFields() { return numFields; }
/**
* Revisit this. This is expensive. This is currently only used in test paths.
*/
@Override
public InternalRow copy() {
GenericInternalRow row = new GenericInternalRow(numFields);
for (int i = 0; i < numFields(); i++) {
if (isNullAt(i)) {
row.setNullAt(i);
} else {
DataType dt = data.getChild(i).dataType();
if (dt instanceof BooleanType) {
row.setBoolean(i, getBoolean(i));
} else if (dt instanceof ByteType) {
row.setByte(i, getByte(i));
} else if (dt instanceof ShortType) {
row.setShort(i, getShort(i));
} else if (dt instanceof IntegerType) {
row.setInt(i, getInt(i));
} else if (dt instanceof LongType) {
row.setLong(i, getLong(i));
} else if (dt instanceof FloatType) {
row.setFloat(i, getFloat(i));
} else if (dt instanceof DoubleType) {
row.setDouble(i, getDouble(i));
} else if (dt instanceof StringType) {
row.update(i, getUTF8String(i).copy());
} else if (dt instanceof BinaryType) {
row.update(i, getBinary(i));
} else if (dt instanceof DecimalType) {
DecimalType t = (DecimalType)dt;
row.setDecimal(i, getDecimal(i, t.precision(), t.scale()), t.precision());
} else if (dt instanceof DateType) {
row.setInt(i, getInt(i));
} else if (dt instanceof TimestampType) {
row.setLong(i, getLong(i));
} else {
throw new RuntimeException("Not implemented. " + dt);
}
}
}
return row;
}
@Override
public boolean anyNull() {
throw new UnsupportedOperationException();
}
@Override
public boolean isNullAt(int ordinal) { return data.getChild(ordinal).isNullAt(rowId); }
@Override
public boolean getBoolean(int ordinal) { return data.getChild(ordinal).getBoolean(rowId); }
@Override
public byte getByte(int ordinal) { return data.getChild(ordinal).getByte(rowId); }
@Override
public short getShort(int ordinal) { return data.getChild(ordinal).getShort(rowId); }
@Override
public int getInt(int ordinal) { return data.getChild(ordinal).getInt(rowId); }
@Override
public long getLong(int ordinal) { return data.getChild(ordinal).getLong(rowId); }
@Override
public float getFloat(int ordinal) { return data.getChild(ordinal).getFloat(rowId); }
@Override
public double getDouble(int ordinal) { return data.getChild(ordinal).getDouble(rowId); }
@Override
public Decimal getDecimal(int ordinal, int precision, int scale) {
return data.getChild(ordinal).getDecimal(rowId, precision, scale);
}
@Override
public UTF8String getUTF8String(int ordinal) {
return data.getChild(ordinal).getUTF8String(rowId);
}
@Override
public byte[] getBinary(int ordinal) {
return data.getChild(ordinal).getBinary(rowId);
}
@Override
public CalendarInterval getInterval(int ordinal) {
return data.getChild(ordinal).getInterval(rowId);
}
@Override
public ColumnarRow getStruct(int ordinal, int numFields) {
return data.getChild(ordinal).getStruct(rowId);
}
@Override
public ColumnarArray getArray(int ordinal) {
return data.getChild(ordinal).getArray(rowId);
}
@Override
public ColumnarMap getMap(int ordinal) {
return data.getChild(ordinal).getMap(rowId);
}
@Override
public Object get(int ordinal, DataType dataType) {
if (dataType instanceof BooleanType) {
return getBoolean(ordinal);
} else if (dataType instanceof ByteType) {
return getByte(ordinal);
} else if (dataType instanceof ShortType) {
return getShort(ordinal);
} else if (dataType instanceof IntegerType) {
return getInt(ordinal);
} else if (dataType instanceof LongType) {
return getLong(ordinal);
} else if (dataType instanceof FloatType) {
return getFloat(ordinal);
} else if (dataType instanceof DoubleType) {
return getDouble(ordinal);
} else if (dataType instanceof StringType) {
return getUTF8String(ordinal);
} else if (dataType instanceof BinaryType) {
return getBinary(ordinal);
} else if (dataType instanceof DecimalType) {
DecimalType t = (DecimalType) dataType;
return getDecimal(ordinal, t.precision(), t.scale());
} else if (dataType instanceof DateType) {
return getInt(ordinal);
} else if (dataType instanceof TimestampType) {
return getLong(ordinal);
} else if (dataType instanceof ArrayType) {
return getArray(ordinal);
} else if (dataType instanceof StructType) {
return getStruct(ordinal, ((StructType)dataType).fields().length);
} else if (dataType instanceof MapType) {
return getMap(ordinal);
} else {
throw new UnsupportedOperationException("Datatype not supported " + dataType);
}
}
@Override
public void update(int ordinal, Object value) { throw new UnsupportedOperationException(); }
@Override
public void setNullAt(int ordinal) { throw new UnsupportedOperationException(); }
}
