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implement limit function on axis (topcount, bottompercent, ...)
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/* | ||
// Licensed to Julian Hyde under one or more contributor license | ||
// agreements. See the NOTICE file distributed with this work for | ||
// additional information regarding copyright ownership. | ||
// | ||
// Julian Hyde 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.olap4j.query; | ||
|
||
/** | ||
* Defines in what order to perform sort operations. | ||
* | ||
* @author Paul Stoellberger | ||
* @since 1.0.1 | ||
*/ | ||
public enum LimitFunction { | ||
/** | ||
* Returns a specified number of items from the | ||
* top of a set, optionally ordering the set first. | ||
*/ | ||
TopCount, | ||
/** | ||
* Sorts a set and returns the top N elements | ||
* whose cumulative total is at least a specified percentage. | ||
*/ | ||
TopPercent, | ||
/** | ||
* Sorts a set and returns the top N elements | ||
* whose cumulative total is at least a specified value. | ||
*/ | ||
TopSum, | ||
/** | ||
* Returns a specified number of items from the | ||
* bottom of a set, optionally ordering the set first. | ||
*/ | ||
BottomCount, | ||
/** | ||
* Sorts a set and returns the bottom N elements | ||
* whose cumulative total is at least a specified percentage. | ||
*/ | ||
BottomPercent, | ||
/** | ||
* Sorts a set and returns the bottom N elements | ||
* whose cumulative total is at least a specified value. | ||
*/ | ||
BottomSum | ||
} | ||
// End LimitFunction.java |
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