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58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. 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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/*
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* Modified by Cloudius Systems
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*
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* Copyright 2015 Cloudius Systems
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*/
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#pragma once
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#include "types.hh"
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#include "native_scalar_function.hh"
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#include "dht/i_partitioner.hh"
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#include "utils/UUID.hh"
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namespace cql3 {
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namespace functions {
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class token_fct: public native_scalar_function {
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private:
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schema_ptr _schema;
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public:
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token_fct(schema_ptr s)
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: native_scalar_function("token",
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dht::global_partitioner().get_token_validator(),
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s->partition_key_type()->types())
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, _schema(s) {
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}
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bytes_opt execute(serialization_format sf, const std::vector<bytes_opt>& parameters) override {
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auto buf = _schema->partition_key_type()->serialize_optionals(parameters);
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auto view = partition_key_view::from_bytes(std::move(buf));
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auto tok = dht::global_partitioner().get_token(*_schema, view);
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warn(unimplemented::cause::VALIDATION);
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return dht::global_partitioner().token_to_bytes(tok);
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}
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};
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}
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}
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