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97 lines
2.8 KiB
JavaScript
97 lines
2.8 KiB
JavaScript
1 year ago
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/*
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* Copyright DataStax, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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/**
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* Creates a new SchemaFunction.
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* @classdesc Describes a CQL function.
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* @alias module:metadata~SchemaFunction
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* @constructor
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*/
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function SchemaFunction() {
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/**
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* Name of the cql function.
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* @type {String}
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*/
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this.name = null;
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/**
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* Name of the keyspace where the cql function is declared.
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*/
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this.keyspaceName = null;
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/**
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* Signature of the function.
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* @type {Array.<String>}
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*/
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this.signature = null;
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/**
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* List of the function argument names.
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* @type {Array.<String>}
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*/
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this.argumentNames = null;
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/**
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* List of the function argument types.
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* @type {Array.<{code, info}>}
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*/
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this.argumentTypes = null;
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/**
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* Body of the function.
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* @type {String}
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*/
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this.body = null;
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/**
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* Determines if the function is called when the input is null.
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* @type {Boolean}
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*/
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this.calledOnNullInput = null;
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/**
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* Name of the programming language, for example: java, javascript, ...
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* @type {String}
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*/
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this.language = null;
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/**
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* Type of the return value.
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* @type {{code: number, info: (Object|Array|null)}}
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*/
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this.returnType = null;
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/**
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* Indicates whether or not this function is deterministic. This means that
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* given a particular input, the function will always produce the same output.
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* @type {Boolean}
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*/
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this.deterministic = null;
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/**
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* Indicates whether or not this function is monotonic on all of its
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* arguments. This means that it is either entirely non-increasing or
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* non-decreasing. Even if the function is not monotonic on all of its
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* arguments, it's possible to specify that it is monotonic on one of
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* its arguments, meaning that partial applications of the function over
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* that argument will be monotonic.
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*
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* Monotonicity is required to use the function in a GROUP BY clause.
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* @type {Boolean}
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*/
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this.monotonic = null;
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/**
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* The argument names that the function is monotonic on.
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*
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* If {@link monotonic} is true, this will return all argument names.
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* Otherwise, this will return either one argument or an empty array.
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* @type {Array.<String>}
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*/
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this.monotonicOn = null;
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}
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module.exports = SchemaFunction;
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