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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.hadoop.hive.ql.udf.generic;
import org.apache.hadoop.hive.ql.exec.Description;
import org.apache.hadoop.hive.ql.exec.vector.VectorizedExpressions;
import org.apache.hadoop.hive.ql.exec.vector.expressions.gen.*;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils;
import org.apache.hadoop.io.Text;
/**
* GenericUDF Class for operation EqualOrLessThan.
*/
@Description(name = "<=", value = "a _FUNC_ b - Returns TRUE if a is not greater than b")
@VectorizedExpressions({LongColLessEqualLongColumn.class, LongColLessEqualDoubleColumn.class,
DoubleColLessEqualLongColumn.class, DoubleColLessEqualDoubleColumn.class,
LongColLessEqualLongScalar.class, LongColLessEqualDoubleScalar.class,
DoubleColLessEqualLongScalar.class, DoubleColLessEqualDoubleScalar.class,
LongScalarLessEqualLongColumn.class, LongScalarLessEqualDoubleColumn.class,
DoubleScalarLessEqualLongColumn.class, DoubleScalarLessEqualDoubleColumn.class,
StringColLessEqualStringColumn.class, StringColLessEqualStringScalar.class,
StringScalarLessEqualStringColumn.class, FilterStringColLessEqualStringColumn.class,
FilterStringColLessEqualStringScalar.class, FilterStringScalarLessEqualStringColumn.class,
FilterLongColLessEqualLongColumn.class, FilterLongColLessEqualDoubleColumn.class,
FilterDoubleColLessEqualLongColumn.class, FilterDoubleColLessEqualDoubleColumn.class,
FilterLongColLessEqualLongScalar.class, FilterLongColLessEqualDoubleScalar.class,
FilterDoubleColLessEqualLongScalar.class, FilterDoubleColLessEqualDoubleScalar.class,
FilterLongScalarLessEqualLongColumn.class, FilterLongScalarLessEqualDoubleColumn.class,
FilterDoubleScalarLessEqualLongColumn.class, FilterDoubleScalarLessEqualDoubleColumn.class,
FilterDecimalColLessEqualDecimalColumn.class, FilterDecimalColLessEqualDecimalScalar.class,
FilterDecimalScalarLessEqualDecimalColumn.class})
public class GenericUDFOPEqualOrLessThan extends GenericUDFBaseCompare {
public GenericUDFOPEqualOrLessThan(){
this.opName = "EQUAL OR LESS THAN";
this.opDisplayName = "<=";
}
@Override
public Object evaluate(DeferredObject[] arguments) throws HiveException {
Object o0,o1;
o0 = arguments[0].get();
if (o0 == null) {
return null;
}
o1 = arguments[1].get();
if (o1 == null) {
return null;
}
switch(compareType) {
case COMPARE_TEXT:
Text t0, t1;
t0 = soi0.getPrimitiveWritableObject(o0);
t1 = soi1.getPrimitiveWritableObject(o1);
result.set(t0.compareTo(t1) <= 0);
break;
case COMPARE_INT:
result.set(ioi0.get(o0) <= ioi1.get(o1));
break;
case COMPARE_LONG:
result.set(loi0.get(o0) <= loi1.get(o1));
break;
case COMPARE_BYTE:
result.set(byoi0.get(o0) <= byoi1.get(o1));
break;
case COMPARE_BOOL:
boolean b0 = boi0.get(o0);
boolean b1 = boi1.get(o1);
result.set(!b0 || b1);
break;
case COMPARE_STRING:
String s0, s1;
s0 = soi0.getPrimitiveJavaObject(o0);
s1 = soi1.getPrimitiveJavaObject(o1);
result.set(s0.compareTo(s1) <= 0);
break;
case SAME_TYPE:
result.set(ObjectInspectorUtils.compare(
o0, argumentOIs[0], o1, argumentOIs[1]) <= 0);
break;
default:
Object converted_o0 = converter0.convert(o0);
if (converted_o0 == null) {
return null;
}
Object converted_o1 = converter1.convert(o1);
if (converted_o1 == null) {
return null;
}
result.set(ObjectInspectorUtils.compare(
converted_o0, compareOI,
converted_o1, compareOI) <= 0);
}
return result;
}
@Override
public GenericUDF flip() {
return new GenericUDFOPEqualOrGreaterThan();
}
}
