ba35788817
Instead of accepting a column resolver callable, accept a schema and column_kind or column_selector. Makes the interface easier to use and enables us to move implementation to .cc file.
535 lines
19 KiB
C++
535 lines
19 KiB
C++
/*
|
|
* Copyright (C) 2014 Cloudius Systems, Ltd.
|
|
*/
|
|
|
|
#include "utils/UUID_gen.hh"
|
|
#include "cql3/column_identifier.hh"
|
|
#include "schema.hh"
|
|
#include "schema_builder.hh"
|
|
#include <boost/algorithm/cxx11/any_of.hpp>
|
|
#include <boost/range/adaptor/transformed.hpp>
|
|
#include "version.hh"
|
|
|
|
constexpr int32_t schema::NAME_LENGTH;
|
|
|
|
const std::experimental::optional<sstring> schema::DEFAULT_COMPRESSOR = sstring("LZ4Compressor");
|
|
|
|
sstring to_sstring(column_kind k) {
|
|
switch (k) {
|
|
case column_kind::partition_key: return "PARTITION_KEY";
|
|
case column_kind::clustering_key: return "CLUSTERING_COLUMN";
|
|
case column_kind::static_column: return "STATIC";
|
|
case column_kind::regular_column: return "REGULAR";
|
|
case column_kind::compact_column: return "COMPACT_VALUE";
|
|
}
|
|
throw std::invalid_argument("unknown column kind");
|
|
}
|
|
|
|
sstring to_sstring(index_type t) {
|
|
switch (t) {
|
|
case index_type::keys: return "KEYS";
|
|
case index_type::custom: return "CUSTOM";
|
|
case index_type::composites: return "COMPOSITES";
|
|
case index_type::none: return "null";
|
|
}
|
|
throw std::invalid_argument("unknown index type");
|
|
}
|
|
|
|
template<typename Sequence>
|
|
std::vector<data_type>
|
|
get_column_types(const Sequence& column_definitions) {
|
|
std::vector<data_type> result;
|
|
for (auto&& col : column_definitions) {
|
|
result.push_back(col.type);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
::shared_ptr<cql3::column_specification>
|
|
schema::make_column_specification(const column_definition& def) {
|
|
auto id = ::make_shared<cql3::column_identifier>(def.name(), column_name_type(def));
|
|
return ::make_shared<cql3::column_specification>(_raw._ks_name, _raw._cf_name, std::move(id), def.type);
|
|
}
|
|
|
|
void schema::rebuild() {
|
|
_partition_key_type = make_lw_shared<compound_type<>>(get_column_types(partition_key_columns()));
|
|
_clustering_key_type = make_lw_shared<compound_type<>>(get_column_types(clustering_key_columns()));
|
|
_clustering_key_prefix_type = make_lw_shared(_clustering_key_type->as_prefix());
|
|
|
|
_columns_by_name.clear();
|
|
_regular_columns_by_name.clear();
|
|
|
|
for (const column_definition& def : all_columns_in_select_order()) {
|
|
_columns_by_name[def.name()] = &def;
|
|
}
|
|
|
|
for (const column_definition& def : regular_columns()) {
|
|
_regular_columns_by_name[def.name()] = &def;
|
|
}
|
|
}
|
|
|
|
schema::raw_schema::raw_schema(utils::UUID id)
|
|
: _id(id)
|
|
{ }
|
|
|
|
schema::schema(const raw_schema& raw)
|
|
: _raw(raw)
|
|
, _offsets([this] {
|
|
auto& cols = _raw._columns;
|
|
std::array<size_t, 5> count = { 0, 0, 0, 0, 0 };
|
|
auto i = cols.begin();
|
|
auto e = cols.end();
|
|
for (auto k : { column_kind::partition_key, column_kind::clustering_key, column_kind::static_column, column_kind::regular_column, column_kind::compact_column }) {
|
|
auto j = std::stable_partition(i, e, [k](const auto& c) {
|
|
return c.kind == k;
|
|
});
|
|
count[size_t(k)] = std::distance(i, j);
|
|
i = j;
|
|
}
|
|
return std::array<size_t, 4> { count[0], count[0] + count[1], count[0] + count[1] + count[2], count[0] + count[1] + count[2] + count[3] };
|
|
}())
|
|
, _regular_columns_by_name(serialized_compare(_raw._regular_column_name_type))
|
|
{
|
|
struct name_compare {
|
|
data_type type;
|
|
name_compare(data_type type) : type(type) {}
|
|
bool operator()(const column_definition& cd1, const column_definition& cd2) const {
|
|
return type->less(cd1.name(), cd2.name());
|
|
}
|
|
};
|
|
|
|
thrift()._compound = is_compound();
|
|
|
|
std::sort(
|
|
_raw._columns.begin() + column_offset(column_kind::static_column),
|
|
_raw._columns.begin()
|
|
+ column_offset(column_kind::regular_column),
|
|
name_compare(utf8_type));
|
|
std::sort(
|
|
_raw._columns.begin()
|
|
+ column_offset(column_kind::regular_column),
|
|
_raw._columns.end(), name_compare(regular_column_name_type()));
|
|
|
|
std::sort(_raw._columns.begin(),
|
|
_raw._columns.begin() + column_offset(column_kind::clustering_key),
|
|
[] (auto x, auto y) { return x.id < y.id; });
|
|
std::sort(_raw._columns.begin() + column_offset(column_kind::clustering_key),
|
|
_raw._columns.begin() + column_offset(column_kind::static_column),
|
|
[] (auto x, auto y) { return x.id < y.id; });
|
|
|
|
column_id id = 0;
|
|
for (auto& def : _raw._columns) {
|
|
def.column_specification = make_column_specification(def);
|
|
assert(!def.id || def.id == id - column_offset(def.kind));
|
|
def.id = id - column_offset(def.kind);
|
|
|
|
def._thrift_bits = column_definition::thrift_bits();
|
|
|
|
{
|
|
// is_on_all_components
|
|
// TODO : In origin, this predicate is "componentIndex == null", which is true in
|
|
// a number of cases, some of which I've most likely missed...
|
|
switch (def.kind) {
|
|
case column_kind::partition_key:
|
|
// In origin, ci == null is true for a PK column where CFMetaData "keyValidator" is non-composite.
|
|
// Which is true of #pk == 1
|
|
def._thrift_bits.is_on_all_components = partition_key_size() == 1;
|
|
break;
|
|
case column_kind::compact_column:
|
|
// compact values are alone, so they have no index
|
|
def._thrift_bits.is_on_all_components = true;
|
|
break;
|
|
default:
|
|
// Or any other column where "comparator" is not compound
|
|
def._thrift_bits.is_on_all_components = !thrift().has_compound_comparator();
|
|
break;
|
|
}
|
|
}
|
|
|
|
++id;
|
|
}
|
|
|
|
rebuild();
|
|
}
|
|
|
|
schema::schema(std::experimental::optional<utils::UUID> id,
|
|
sstring ks_name,
|
|
sstring cf_name,
|
|
std::vector<column> partition_key,
|
|
std::vector<column> clustering_key,
|
|
std::vector<column> regular_columns,
|
|
std::vector<column> static_columns,
|
|
data_type regular_column_name_type,
|
|
sstring comment)
|
|
: schema([&] {
|
|
raw_schema raw(id ? *id : utils::UUID_gen::get_time_UUID());
|
|
|
|
raw._comment = std::move(comment);
|
|
raw._ks_name = std::move(ks_name);
|
|
raw._cf_name = std::move(cf_name);
|
|
raw._regular_column_name_type = regular_column_name_type;
|
|
|
|
auto build_columns = [&raw](std::vector<column>& columns, column_kind kind) {
|
|
for (auto& sc : columns) {
|
|
raw._columns.emplace_back(std::move(sc.name), std::move(sc.type), kind);
|
|
}
|
|
};
|
|
|
|
build_columns(partition_key, column_kind::partition_key);
|
|
build_columns(clustering_key, column_kind::clustering_key);
|
|
build_columns(static_columns, column_kind::static_column);
|
|
build_columns(regular_columns, column_kind::regular_column);
|
|
|
|
return raw;
|
|
}())
|
|
{}
|
|
|
|
schema::schema(const schema& o)
|
|
: _raw(o._raw)
|
|
, _offsets(o._offsets)
|
|
, _regular_columns_by_name(serialized_compare(_raw._regular_column_name_type))
|
|
{
|
|
rebuild();
|
|
}
|
|
|
|
sstring schema::thrift_key_validator() const {
|
|
if (partition_key_size() == 1) {
|
|
return partition_key_columns().begin()->type->name();
|
|
} else {
|
|
sstring type_params = ::join(", ", partition_key_columns()
|
|
| boost::adaptors::transformed(std::mem_fn(&column_definition::type))
|
|
| boost::adaptors::transformed(std::mem_fn(&abstract_type::name)));
|
|
return "org.apache.cassandra.db.marshal.CompositeType(" + type_params + ")";
|
|
}
|
|
}
|
|
|
|
bool
|
|
schema::has_collections() const {
|
|
return boost::algorithm::any_of(all_columns_in_select_order(), [] (const column_definition& cdef) {
|
|
return cdef.type->is_collection();
|
|
});
|
|
}
|
|
|
|
bool operator==(const schema& x, const schema& y)
|
|
{
|
|
return x._raw._id == y._raw._id
|
|
&& x._raw._ks_name == y._raw._ks_name
|
|
&& x._raw._cf_name == y._raw._cf_name
|
|
&& x._raw._columns == y._raw._columns
|
|
&& x._raw._comment == y._raw._comment
|
|
&& x._raw._default_time_to_live == y._raw._default_time_to_live
|
|
&& x._raw._regular_column_name_type->equals(y._raw._regular_column_name_type)
|
|
&& x._raw._bloom_filter_fp_chance == y._raw._bloom_filter_fp_chance;
|
|
}
|
|
|
|
index_info::index_info(::index_type idx_type,
|
|
std::experimental::optional<sstring> idx_name,
|
|
std::experimental::optional<index_options_map> idx_options)
|
|
: index_type(idx_type), index_name(idx_name), index_options(idx_options)
|
|
{}
|
|
|
|
column_definition::column_definition(bytes name, data_type type, column_kind kind, column_id component_index, index_info idx)
|
|
: _name(std::move(name)), type(std::move(type)), id(component_index), kind(kind), idx_info(std::move(idx))
|
|
{}
|
|
|
|
std::ostream& operator<<(std::ostream& os, const column_definition& cd) {
|
|
os << "ColumnDefinition{";
|
|
os << "name=" << cd.name_as_text();
|
|
os << ", type=" << cd.type->name();
|
|
os << ", kind=" << to_sstring(cd.kind);
|
|
os << ", componentIndex=" << (cd.has_component_index() ? std::to_string(cd.component_index()) : "null");
|
|
os << ", indexName=" << (cd.idx_info.index_name ? *cd.idx_info.index_name : "null");
|
|
os << ", indexType=" << to_sstring(cd.idx_info.index_type);
|
|
os << "}";
|
|
return os;
|
|
}
|
|
|
|
const column_definition*
|
|
schema::get_column_definition(const bytes& name) const {
|
|
auto i = _columns_by_name.find(name);
|
|
if (i == _columns_by_name.end()) {
|
|
return nullptr;
|
|
}
|
|
return i->second;
|
|
}
|
|
|
|
const column_definition&
|
|
schema::column_at(column_kind kind, column_id id) const {
|
|
return _raw._columns.at(column_offset(kind) + id);
|
|
}
|
|
|
|
std::ostream& operator<<(std::ostream& os, const schema& s) {
|
|
os << "org.apache.cassandra.config.CFMetaData@" << &s << "[";
|
|
os << "cfId=" << s._raw._id;
|
|
os << ",ksName=" << s._raw._ks_name;
|
|
os << ",cfName=" << s._raw._cf_name;
|
|
os << ",cfType=" << cf_type_to_sstring(s._raw._type);
|
|
os << ",comparator=" << cell_comparator::to_sstring(s);
|
|
os << ",comment=" << s._raw._comment;
|
|
os << ",readRepairChance=" << s._raw._read_repair_chance;
|
|
os << ",dcLocalReadRepairChance=" << s._raw._dc_local_read_repair_chance;
|
|
os << ",gcGraceSeconds=" << s._raw._gc_grace_seconds;
|
|
os << ",defaultValidator=" << s._raw._default_validator->name();
|
|
os << ",keyValidator=" << s.thrift_key_validator();
|
|
os << ",minCompactionThreshold=" << s._raw._min_compaction_threshold;
|
|
os << ",maxCompactionThreshold=" << s._raw._max_compaction_threshold;
|
|
os << ",columnMetadata=[";
|
|
int n = 0;
|
|
for (auto& cdef : s._raw._columns) {
|
|
if (n++ != 0) {
|
|
os << ", ";
|
|
}
|
|
os << cdef;
|
|
}
|
|
os << "]";
|
|
os << ",compactionStrategyClass=class org.apache.cassandra.db.compaction." << sstables::compaction_strategy::name(s._raw._compaction_strategy);
|
|
os << ",compactionStrategyOptions={";
|
|
n = 0;
|
|
for (auto& p : s._raw._compaction_strategy_options) {
|
|
if (n++ != 0) {
|
|
os << ", ";
|
|
}
|
|
os << p.first << "=" << p.second;
|
|
}
|
|
os << "}";
|
|
os << ",compressionParameters={";
|
|
n = 0;
|
|
for (auto& p : s._raw._compressor_params.get_options() ) {
|
|
if (n++ != 0) {
|
|
os << ", ";
|
|
}
|
|
os << p.first << "=" << p.second;
|
|
}
|
|
os << "}";
|
|
os << ",bloomFilterFpChance=" << s._raw._bloom_filter_fp_chance;
|
|
os << ",memtableFlushPeriod=" << s._raw._memtable_flush_period;
|
|
os << ",caching=" << s._raw._caching_options.to_sstring();
|
|
os << ",defaultTimeToLive=" << s._raw._default_time_to_live.count();
|
|
os << ",minIndexInterval=" << s._raw._min_index_interval;
|
|
os << ",maxIndexInterval=" << s._raw._max_index_interval;
|
|
os << ",speculativeRetry=" << s._raw._speculative_retry.to_sstring();
|
|
os << ",droppedColumns={}";
|
|
os << ",triggers=[]";
|
|
os << ",isDense=" << std::boolalpha << s._raw._is_dense;
|
|
os << "]";
|
|
return os;
|
|
}
|
|
|
|
const sstring&
|
|
column_definition::name_as_text() const {
|
|
return column_specification->name->text();
|
|
}
|
|
|
|
const bytes&
|
|
column_definition::name() const {
|
|
return _name;
|
|
}
|
|
|
|
bool column_definition::is_on_all_components() const {
|
|
return _thrift_bits.is_on_all_components;
|
|
}
|
|
|
|
bool operator==(const column_definition& x, const column_definition& y)
|
|
{
|
|
return x._name == y._name
|
|
&& x.type->equals(y.type)
|
|
&& x.id == y.id
|
|
&& x.kind == y.kind;
|
|
}
|
|
|
|
// Based on org.apache.cassandra.config.CFMetaData#generateLegacyCfId
|
|
utils::UUID
|
|
generate_legacy_id(const sstring& ks_name, const sstring& cf_name) {
|
|
return utils::UUID_gen::get_name_UUID(ks_name + cf_name);
|
|
}
|
|
|
|
bool thrift_schema::has_compound_comparator() const {
|
|
return _compound;
|
|
}
|
|
|
|
schema_builder::schema_builder(const sstring& ks_name, const sstring& cf_name,
|
|
std::experimental::optional<utils::UUID> id, data_type rct)
|
|
: _raw(id ? *id : utils::UUID_gen::get_time_UUID())
|
|
{
|
|
_raw._ks_name = ks_name;
|
|
_raw._cf_name = cf_name;
|
|
_raw._regular_column_name_type = rct;
|
|
}
|
|
|
|
schema_builder::schema_builder(const schema_ptr s)
|
|
: schema_builder(s->_raw)
|
|
{}
|
|
|
|
schema_builder::schema_builder(const schema::raw_schema& raw)
|
|
: _raw(raw)
|
|
{}
|
|
|
|
column_definition& schema_builder::find_column(const cql3::column_identifier& c) {
|
|
auto i = std::find_if(_raw._columns.begin(), _raw._columns.end(), [c](auto& p) {
|
|
return p.name() == c.name();
|
|
});
|
|
if (i != _raw._columns.end()) {
|
|
return *i;
|
|
}
|
|
throw std::invalid_argument(sprint("No such column %s", c.name()));
|
|
}
|
|
|
|
void schema_builder::add_default_index_names(database& db) {
|
|
auto s = db.find_schema(ks_name(), cf_name());
|
|
|
|
if (s) {
|
|
for (auto& sc : _raw._columns) {
|
|
if (sc.idx_info.index_type == index_type::none) {
|
|
continue;
|
|
}
|
|
auto* c = s->get_column_definition(sc.name());
|
|
if (c == nullptr || !c->idx_info.index_name) {
|
|
continue;
|
|
}
|
|
if (sc.idx_info.index_name
|
|
&& sc.idx_info.index_name != c->idx_info.index_name) {
|
|
throw exceptions::configuration_exception(
|
|
sprint(
|
|
"Can't modify index name: was '%s' changed to '%s'",
|
|
*c->idx_info.index_name,
|
|
*sc.idx_info.index_name));
|
|
|
|
}
|
|
sc.idx_info.index_name = c->idx_info.index_name;
|
|
}
|
|
}
|
|
|
|
|
|
auto existing_names = db.existing_index_names();
|
|
for (auto& sc : _raw._columns) {
|
|
if (sc.idx_info.index_type != index_type::none && sc.idx_info.index_name) {
|
|
sstring base_name = cf_name() + "_" + *sc.idx_info.index_name + "_idx";
|
|
auto i = std::remove_if(base_name.begin(), base_name.end(), [](char c) {
|
|
return ::isspace(c);
|
|
});
|
|
base_name.erase(i, base_name.end());
|
|
auto index_name = base_name;
|
|
int n = 0;
|
|
while (existing_names.count(index_name)) {
|
|
index_name = base_name + "_" + to_sstring(++n);
|
|
}
|
|
sc.idx_info.index_name = index_name;
|
|
}
|
|
}
|
|
}
|
|
|
|
schema_builder& schema_builder::with_column(const column_definition& c) {
|
|
return with_column(bytes(c.name()), data_type(c.type), index_info(c.idx_info), column_kind(c.kind), c.position());
|
|
}
|
|
|
|
schema_builder& schema_builder::with_column(bytes name, data_type type, column_kind kind) {
|
|
return with_column(name, type, index_info(), kind);
|
|
}
|
|
|
|
schema_builder& schema_builder::with_column(bytes name, data_type type, index_info info, column_kind kind) {
|
|
// component_index will be determined by schema cosntructor
|
|
return with_column(name, type, info, kind, 0);
|
|
}
|
|
|
|
schema_builder& schema_builder::with_column(bytes name, data_type type, index_info info, column_kind kind, column_id component_index) {
|
|
_raw._columns.emplace_back(name, type, kind, component_index, info);
|
|
return *this;
|
|
}
|
|
|
|
schema_ptr schema_builder::build() {
|
|
return make_lw_shared<schema>(schema(_raw));
|
|
}
|
|
|
|
schema_ptr schema_builder::build(compact_storage cp) {
|
|
schema s(_raw);
|
|
|
|
// Dense means that no part of the comparator stores a CQL column name. This means
|
|
// COMPACT STORAGE with at least one columnAliases (otherwise it's a thrift "static" CF).
|
|
s._raw._is_dense = (cp == compact_storage::yes) && (s.clustering_key_size() > 0);
|
|
|
|
if (s.clustering_key_size() == 0) {
|
|
if (cp == compact_storage::yes) {
|
|
s._raw._is_compound = false;
|
|
} else {
|
|
s._raw._is_compound = true;
|
|
}
|
|
} else {
|
|
if ((cp == compact_storage::yes) && s.clustering_key_size() == 1) {
|
|
s._raw._is_compound = false;
|
|
} else {
|
|
s._raw._is_compound = true;
|
|
}
|
|
}
|
|
|
|
if (s._raw._is_dense) {
|
|
// In Origin, dense CFs always have at least one regular column
|
|
if (s.regular_columns_count() == 0) {
|
|
s._raw._columns.emplace_back(bytes(""), s.regular_column_name_type(), column_kind::regular_column, 0, index_info());
|
|
}
|
|
|
|
if (s.regular_columns_count() != 1) {
|
|
throw exceptions::configuration_exception(sprint("Expecting exactly one regular column. Found %d", s.regular_columns_count()));
|
|
}
|
|
s._raw._columns.at(s.column_offset(column_kind::regular_column)).kind = column_kind::compact_column;
|
|
|
|
// We need to rebuild the schema in case we added some column. This is way simpler than trying to factor out the relevant code
|
|
// from the constructor
|
|
}
|
|
return make_lw_shared<schema>(schema(s._raw));
|
|
}
|
|
|
|
// Useful functions to manipulate the schema's comparator field
|
|
namespace cell_comparator {
|
|
|
|
static constexpr auto _composite_str = "org.apache.cassandra.db.marshal.CompositeType";
|
|
static constexpr auto _collection_str = "org.apache.cassandra.db.marshal.ColumnToCollectionType";
|
|
|
|
static bool always_include_default() {
|
|
static thread_local bool def = version::version::current() < version::version(2, 2);
|
|
return def;
|
|
};
|
|
|
|
static sstring compound_name(const schema& s) {
|
|
sstring compound(_composite_str);
|
|
|
|
compound += "(";
|
|
if (s.clustering_key_size()) {
|
|
for (auto &t : s.clustering_key_columns()) {
|
|
compound += t.type->name() + ",";
|
|
}
|
|
}
|
|
if (always_include_default() || (s.clustering_key_size() == 0)) {
|
|
compound += s.regular_column_name_type()->name() + ",";
|
|
}
|
|
|
|
if (s.has_collections()) {
|
|
compound += _collection_str;
|
|
compound += "(";
|
|
for (auto& t: s.regular_columns()) {
|
|
if (t.type->is_collection()) {
|
|
auto ct = static_pointer_cast<const collection_type_impl>(t.type);
|
|
compound += "00000000:" + ct->name() + ",";
|
|
}
|
|
}
|
|
compound.back() = ')';
|
|
compound += ",";
|
|
}
|
|
// last one will be a ',', just replace it.
|
|
compound.back() = ')';
|
|
return compound;
|
|
}
|
|
|
|
sstring to_sstring(const schema& s) {
|
|
if (!s.is_compound()) {
|
|
return s.regular_column_name_type()->name();
|
|
} else {
|
|
return compound_name(s);
|
|
}
|
|
}
|
|
|
|
bool check_compound(sstring comparator) {
|
|
static sstring compound(_composite_str);
|
|
return comparator.compare(0, compound.size(), compound) == 0;
|
|
}
|
|
}
|