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kll_sketch_float_build.sqlx
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kll_sketch_float_build.sqlx
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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.
*/
config { hasOutput: true }
CREATE OR REPLACE AGGREGATE FUNCTION ${self()}(value FLOAT64)
RETURNS BYTES
OPTIONS (
description = '''Creates a sketch that represents the distribution of the given column.
Param value: the column of FLOAT64 values.
Defaults: k = 200.
Returns: a KLL Sketch, as bytes.
For more information:
- https://datasketches.apache.org/docs/KLL/KLLSketch.html
'''
) AS (
${ref("kll_sketch_float_build_k")}(value, NULL)
);