bfd14b4123
Add a with_schema() helper to decorate a partition key with its schema for pretty-printing purposes, and matching operator<<. This is useful to print partition keys where the operator, who may not be familiar with the encoding, may see them.
132 lines
4.0 KiB
C++
132 lines
4.0 KiB
C++
/*
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <iostream>
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#include "keys.hh"
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#include "dht/i_partitioner.hh"
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#include "clustering_bounds_comparator.hh"
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#include <boost/algorithm/string.hpp>
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#include <boost/any.hpp>
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std::ostream& operator<<(std::ostream& out, const partition_key& pk) {
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return out << "pk{" << to_hex(pk) << "}";
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}
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std::ostream& operator<<(std::ostream& out, const partition_key::with_schema_wrapper& pk) {
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auto type_iterator = pk.pkey.get_compound_type(pk.s)->types().begin();
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bool first = true;
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for (auto&& e : pk.pkey.components(pk.s)) {
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if (!first) {
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out << ":";
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}
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first = false;
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out << (*type_iterator)->to_string(to_bytes(e));
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++type_iterator;
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}
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return out;
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}
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std::ostream& operator<<(std::ostream& out, const partition_key_view& pk) {
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return out << "pk{" << to_hex(pk.representation()) << "}";
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}
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std::ostream& operator<<(std::ostream& out, const clustering_key_prefix& ckp) {
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return out << "ckp{" << to_hex(ckp) << "}";
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}
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const legacy_compound_view<partition_key_view::c_type>
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partition_key_view::legacy_form(const schema& s) const {
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return { *get_compound_type(s), _bytes };
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}
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int
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partition_key_view::legacy_tri_compare(const schema& s, partition_key_view o) const {
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auto cmp = legacy_compound_view<c_type>::tri_comparator(*get_compound_type(s));
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return cmp(this->representation(), o.representation());
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}
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int
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partition_key_view::ring_order_tri_compare(const schema& s, partition_key_view k2) const {
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auto t1 = dht::global_partitioner().get_token(s, *this);
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auto t2 = dht::global_partitioner().get_token(s, k2);
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if (t1 != t2) {
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return t1 < t2 ? -1 : 1;
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}
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return legacy_tri_compare(s, k2);
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}
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partition_key partition_key::from_nodetool_style_string(const schema_ptr s, const sstring& key) {
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std::vector<sstring> vec;
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boost::split(vec, key, boost::is_any_of(":"));
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auto it = std::begin(vec);
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if (vec.size() != s->partition_key_type()->types().size()) {
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throw std::invalid_argument("partition key '" + key + "' has mismatch number of components");
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}
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std::vector<bytes> r;
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r.reserve(vec.size());
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for (auto t : s->partition_key_type()->types()) {
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r.emplace_back(t->from_string(*it++));
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}
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return partition_key::from_range(std::move(r));
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}
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std::ostream& operator<<(std::ostream& out, const bound_kind k) {
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switch(k) {
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case bound_kind::excl_end:
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return out << "excl end";
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case bound_kind::incl_start:
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return out << "incl start";
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case bound_kind::incl_end:
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return out << "incl end";
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case bound_kind::excl_start:
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return out << "excl start";
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}
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abort();
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}
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bound_kind invert_kind(bound_kind k) {
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switch(k) {
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case bound_kind::excl_start: return bound_kind::incl_end;
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case bound_kind::incl_start: return bound_kind::excl_end;
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case bound_kind::excl_end: return bound_kind::incl_start;
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case bound_kind::incl_end: return bound_kind::excl_start;
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}
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abort();
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}
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int32_t weight(bound_kind k) {
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switch(k) {
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case bound_kind::excl_end:
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return -2;
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case bound_kind::incl_start:
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return -1;
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case bound_kind::incl_end:
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return 1;
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case bound_kind::excl_start:
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return 2;
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}
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abort();
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}
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const thread_local clustering_key_prefix bound_view::_empty_prefix = clustering_key::make_empty();
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