spark SpecializedGetters 源码
spark SpecializedGetters 代码
文件路径：/sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/SpecializedGetters.java
/*
* 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.catalyst.expressions;
import org.apache.spark.sql.catalyst.InternalRow;
import org.apache.spark.sql.catalyst.util.ArrayData;
import org.apache.spark.sql.types.DataType;
import org.apache.spark.sql.types.Decimal;
import org.apache.spark.sql.catalyst.util.MapData;
import org.apache.spark.unsafe.types.CalendarInterval;
import org.apache.spark.unsafe.types.UTF8String;
public interface SpecializedGetters {
boolean isNullAt(int ordinal);
boolean getBoolean(int ordinal);
byte getByte(int ordinal);
short getShort(int ordinal);
int getInt(int ordinal);
long getLong(int ordinal);
float getFloat(int ordinal);
double getDouble(int ordinal);
Decimal getDecimal(int ordinal, int precision, int scale);
UTF8String getUTF8String(int ordinal);
byte[] getBinary(int ordinal);
CalendarInterval getInterval(int ordinal);
InternalRow getStruct(int ordinal, int numFields);
ArrayData getArray(int ordinal);
MapData getMap(int ordinal);
Object get(int ordinal, DataType dataType);
}
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