f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
77 lines
2.1 KiB
C++
77 lines
2.1 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-1.0 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 "exceptions/exceptions.hh"
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#include <seastar/core/format.hh>
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#include <seastar/util/log.hh>
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#include "cql3/cql3_type.hh"
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namespace cql3 {
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namespace functions {
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// Most of the XAsBlob and blobAsX functions are basically no-op since everything is
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// bytes internally. They only "trick" the type system.
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inline
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shared_ptr<function>
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make_to_blob_function(data_type from_type) {
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auto name = from_type->as_cql3_type().to_string() + "asblob";
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return make_native_scalar_function<true>(name, bytes_type, { from_type },
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[] (std::span<const bytes_opt> parameters) {
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return parameters[0];
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});
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}
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inline
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shared_ptr<function>
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make_from_blob_function(data_type to_type) {
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sstring name = sstring("blobas") + to_type->as_cql3_type().to_string();
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return make_native_scalar_function<true>(name, to_type, { bytes_type },
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[name, to_type] (std::span<const bytes_opt> parameters) -> bytes_opt {
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auto&& val = parameters[0];
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if (!val) {
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return val;
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}
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try {
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to_type->validate(*val);
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return val;
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} catch (marshal_exception& e) {
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using namespace exceptions;
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throw invalid_request_exception(format("In call to function {}, value 0x{} is not a valid binary representation for type {}",
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name, to_hex(val), to_type->as_cql3_type().to_string()));
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}
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});
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}
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inline
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shared_ptr<function>
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make_varchar_as_blob_fct() {
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return make_native_scalar_function<true>("varcharasblob", bytes_type, { utf8_type },
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[] (std::span<const bytes_opt> parameters) -> bytes_opt {
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return parameters[0];
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});
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}
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inline
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shared_ptr<function>
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make_blob_as_varchar_fct() {
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return make_native_scalar_function<true>("blobasvarchar", utf8_type, { bytes_type },
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[] (std::span<const bytes_opt> parameters) -> bytes_opt {
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return parameters[0];
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});
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}
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}
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}
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