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45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
/*
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* Modified by ScyllaDB
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*
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* Copyright (C) 2015-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: (LicenseRef-ScyllaDB-Source-Available-1.1 and Apache-2.0)
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*/
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#pragma once
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#include "native_scalar_function.hh"
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#include "dht/i_partitioner.hh"
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#include "unimplemented.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::token::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(std::span<const bytes_opt> parameters) override {
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if (std::any_of(parameters.begin(), parameters.end(), [](const auto& param){ return !param; })) {
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return std::nullopt;
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}
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auto key = partition_key::from_optional_exploded(*_schema, parameters);
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auto tok = dht::get_token(*_schema, key);
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warn(unimplemented::cause::VALIDATION);
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return tok.data();
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}
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};
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}
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}
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