/**
* 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.LongColNotEqualLongColumn;
import org.apache.hadoop.hive.ql.exec.vector.expressions.LongColNotEqualLongScalar;
import org.apache.hadoop.hive.ql.exec.vector.expressions.LongScalarNotEqualLongColumn;
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;
/**
* GenericUDF Class for operation Not EQUAL.
*/
@Description(name = "<>", value = "a _FUNC_ b - Returns TRUE if a is not equal to b")
@VectorizedExpressions({LongColNotEqualLongColumn.class, LongColNotEqualDoubleColumn.class,
DoubleColNotEqualLongColumn.class, DoubleColNotEqualDoubleColumn.class,
LongColNotEqualLongScalar.class, LongColNotEqualDoubleScalar.class,
DoubleColNotEqualLongScalar.class, DoubleColNotEqualDoubleScalar.class,
LongScalarNotEqualLongColumn.class, LongScalarNotEqualDoubleColumn.class,
DoubleScalarNotEqualLongColumn.class, DoubleScalarNotEqualDoubleColumn.class,
StringGroupColNotEqualStringGroupColumn.class, FilterStringGroupColNotEqualStringGroupColumn.class,
StringGroupColNotEqualStringScalar.class,
StringGroupColNotEqualVarCharScalar.class, StringGroupColNotEqualCharScalar.class,
StringScalarNotEqualStringGroupColumn.class,
VarCharScalarNotEqualStringGroupColumn.class, CharScalarNotEqualStringGroupColumn.class,
FilterStringGroupColNotEqualStringScalar.class, FilterStringScalarNotEqualStringGroupColumn.class,
FilterStringGroupColNotEqualVarCharScalar.class, FilterVarCharScalarNotEqualStringGroupColumn.class,
FilterStringGroupColNotEqualCharScalar.class, FilterCharScalarNotEqualStringGroupColumn.class,
FilterLongColNotEqualLongColumn.class, FilterLongColNotEqualDoubleColumn.class,
FilterDoubleColNotEqualLongColumn.class, FilterDoubleColNotEqualDoubleColumn.class,
FilterLongColNotEqualLongScalar.class, FilterLongColNotEqualDoubleScalar.class,
FilterDoubleColNotEqualLongScalar.class, FilterDoubleColNotEqualDoubleScalar.class,
FilterLongScalarNotEqualLongColumn.class, FilterLongScalarNotEqualDoubleColumn.class,
FilterDoubleScalarNotEqualLongColumn.class, FilterDoubleScalarNotEqualDoubleColumn.class,
FilterDecimalColNotEqualDecimalColumn.class, FilterDecimalColNotEqualDecimalScalar.class,
FilterDecimalScalarNotEqualDecimalColumn.class,
TimestampColNotEqualTimestampColumn.class,
TimestampColNotEqualTimestampScalar.class, TimestampScalarNotEqualTimestampColumn.class,
TimestampColNotEqualLongColumn.class,
TimestampColNotEqualLongScalar.class, TimestampScalarNotEqualLongColumn.class,
TimestampColNotEqualDoubleColumn.class,
TimestampColNotEqualDoubleScalar.class, TimestampScalarNotEqualDoubleColumn.class,
LongColNotEqualTimestampColumn.class,
LongColNotEqualTimestampScalar.class, LongScalarNotEqualTimestampColumn.class,
DoubleColNotEqualTimestampColumn.class,
DoubleColNotEqualTimestampScalar.class, DoubleScalarNotEqualTimestampColumn.class,
FilterTimestampColNotEqualTimestampColumn.class,
FilterTimestampColNotEqualTimestampScalar.class, FilterTimestampScalarNotEqualTimestampColumn.class,
FilterTimestampColNotEqualLongColumn.class,
FilterTimestampColNotEqualLongScalar.class, FilterTimestampScalarNotEqualLongColumn.class,
FilterTimestampColNotEqualDoubleColumn.class,
FilterTimestampColNotEqualDoubleScalar.class, FilterTimestampScalarNotEqualDoubleColumn.class,
FilterLongColNotEqualTimestampColumn.class,
FilterLongColNotEqualTimestampScalar.class, FilterLongScalarNotEqualTimestampColumn.class,
FilterDoubleColNotEqualTimestampColumn.class,
FilterDoubleColNotEqualTimestampScalar.class, FilterDoubleScalarNotEqualTimestampColumn.class,
IntervalYearMonthScalarNotEqualIntervalYearMonthColumn.class, FilterIntervalYearMonthScalarNotEqualIntervalYearMonthColumn.class,
IntervalYearMonthColNotEqualIntervalYearMonthScalar.class, FilterIntervalYearMonthColNotEqualIntervalYearMonthScalar.class,
IntervalDayTimeColNotEqualIntervalDayTimeColumn.class, FilterIntervalDayTimeColNotEqualIntervalDayTimeColumn.class,
IntervalDayTimeScalarNotEqualIntervalDayTimeColumn.class, FilterIntervalDayTimeScalarNotEqualIntervalDayTimeColumn.class,
IntervalDayTimeColNotEqualIntervalDayTimeScalar.class, FilterIntervalDayTimeColNotEqualIntervalDayTimeScalar.class,
DateColNotEqualDateScalar.class,FilterDateColNotEqualDateScalar.class,
DateScalarNotEqualDateColumn.class,FilterDateScalarNotEqualDateColumn.class,
})
@NDV(maxNdv = 2)
public class GenericUDFOPNotEqual extends GenericUDFBaseCompare {
public GenericUDFOPNotEqual(){
this.opName = "NOT EQUAL";
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:
result.set(!soi0.getPrimitiveWritableObject(o0).equals(
soi1.getPrimitiveWritableObject(o1)));
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:
result.set(boi0.get(o0) != boi1.get(o1));
break;
case COMPARE_STRING:
result.set(!soi0.getPrimitiveJavaObject(o0).equals(
soi1.getPrimitiveJavaObject(o1)));
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 negative() {
return new GenericUDFOPEqual();
}
}