59498caeca
Moving `function`, `function_name` and `aggregate_function` into db namespace to avoid including cql3 namespace into query-request. For now, only minimal subset of cql3 function was moved to db.
75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
/*
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* Copyright (C) 2022-present ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
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*/
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#pragma once
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#include <seastar/core/sstring.hh>
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#include "seastarx.hh"
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#include <iosfwd>
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#include <functional>
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namespace db {
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sstring system_keyspace_name();
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namespace functions {
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class function_name final {
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public:
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sstring keyspace;
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sstring name;
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static function_name native_function(sstring name) {
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return function_name(db::system_keyspace_name(), name);
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}
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function_name() = default; // for ANTLR
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function_name(sstring keyspace, sstring name)
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: keyspace(std::move(keyspace)), name(std::move(name)) {
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}
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function_name as_native_function() const {
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return native_function(name);
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}
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bool has_keyspace() const {
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return !keyspace.empty();
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}
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bool operator==(const function_name& x) const {
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return keyspace == x.keyspace && name == x.name;
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}
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};
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inline
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std::ostream& operator<<(std::ostream& os, const function_name& fn) {
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if (!fn.keyspace.empty()) {
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os << fn.keyspace << ".";
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}
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return os << fn.name;
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}
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}
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}
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namespace std {
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template <>
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struct hash<db::functions::function_name> {
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size_t operator()(const db::functions::function_name& x) const {
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return std::hash<sstring>()(x.keyspace) ^ std::hash<sstring>()(x.name);
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}
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};
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}
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