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scylladb/tests/data_model.cc

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/*
* Copyright (C) 2019 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include "data_model.hh"
#include <boost/algorithm/string/join.hpp>
#include "schema_builder.hh"
namespace tests::data_model {
void mutation_description::remove_column(row& r, const sstring& name) {
auto it = boost::range::find_if(r, [&] (const cell& c) {
return c.column_name == name;
});
if (it != r.end()) {
r.erase(it);
}
}
mutation_description::mutation_description(key partition_key)
: _partition_key(std::move(partition_key))
{ }
void mutation_description::add_static_cell(const sstring& column, value v) {
_static_row.emplace_back(cell { column, std::move(v) });
}
void mutation_description::add_static_expiring_cell(const sstring& column, atomic_value v,
gc_clock::duration ttl,
gc_clock::time_point expiry_point) {
_static_row.emplace_back(cell { column, std::move(v), expiry_info { ttl, expiry_point } });
}
void mutation_description::add_clustered_cell(const key& ck, const sstring& column, value v) {
_clustered_rows[ck].cells.emplace_back(cell { column, std::move(v) });
}
void mutation_description::add_clustered_expiring_cell(const key& ck, const sstring& column, atomic_value v,
gc_clock::duration ttl, gc_clock::time_point expiry_point) {
_clustered_rows[ck].cells.emplace_back(cell { column, std::move(v), expiry_info { ttl, expiry_point } });
}
void mutation_description::add_clustered_row_marker(const key& ck, api::timestamp_type timestamp) {
_clustered_rows[ck].marker = timestamp;
}
void mutation_description::remove_static_column(const sstring& name) {
remove_column(_static_row, name);
}
void mutation_description::remove_regular_column(const sstring& name) {
for (auto& [ ckey, cr ] : _clustered_rows) {
(void)ckey;
remove_column(cr.cells, name);
}
}
void mutation_description::add_range_tombstone(const key& start, const key& end) {
_range_tombstones.emplace_back(range_tombstone { start, end });
}
mutation mutation_description::build(schema_ptr s) const {
auto m = mutation(s, partition_key::from_exploded(*s, _partition_key));
for (auto& [ column, value_or_collection, expiring ] : _static_row) {
auto cdef = s->get_column_definition(utf8_type->decompose(column));
assert(cdef);
std::visit(make_visitor(
[&] (const atomic_value& v) {
assert(cdef->is_atomic());
if (!expiring) {
m.set_static_cell(*cdef, atomic_cell::make_live(*cdef->type, data_timestamp, v));
} else {
m.set_static_cell(*cdef, atomic_cell::make_live(*cdef->type, data_timestamp, v,
expiring->expiry_point, expiring->ttl));
}
},
[&] (const collection& c) {
assert(!cdef->is_atomic());
assert(!expiring);
auto ctype = static_pointer_cast<const collection_type_impl>(cdef->type);
collection_type_impl::mutation mut;
for (auto& [ key, value ] : c) {
mut.cells.emplace_back(key, atomic_cell::make_live(*ctype->value_comparator(), data_timestamp,
value, atomic_cell::collection_member::yes));
}
m.set_static_cell(*cdef, ctype->serialize_mutation_form(std::move(mut)));
}
), value_or_collection);
}
for (auto& [ ckey, cr ] : _clustered_rows) {
auto& [ marker, cells ] = cr;
auto ck = clustering_key::from_exploded(*s, ckey);
for (auto& [ column, value_or_collection, expiring ] : cells) {
auto cdef = s->get_column_definition(utf8_type->decompose(column));
assert(cdef);
std::visit(make_visitor(
[&] (const atomic_value& v) {
assert(cdef->is_atomic());
if (!expiring) {
m.set_clustered_cell(ck, *cdef, atomic_cell::make_live(*cdef->type, data_timestamp, v));
} else {
m.set_clustered_cell(ck, *cdef, atomic_cell::make_live(*cdef->type, data_timestamp, v,
expiring->expiry_point, expiring->ttl));
}
},
[&] (const collection& c) {
assert(!cdef->is_atomic());
auto ctype = static_pointer_cast<const collection_type_impl>(cdef->type);
collection_type_impl::mutation mut;
for (auto& [ key, value ] : c) {
mut.cells.emplace_back(key, atomic_cell::make_live(*ctype->value_comparator(), data_timestamp,
value, atomic_cell::collection_member::yes));
}
m.set_clustered_cell(ck, *cdef, ctype->serialize_mutation_form(std::move(mut)));
}
), value_or_collection);
}
if (marker != api::missing_timestamp) {
m.partition().clustered_row(*s, ckey).apply(row_marker(marker));
}
}
clustering_key::less_compare cmp(*s);
for (auto& [ a, b ] : _range_tombstones) {
auto start = clustering_key::from_exploded(*s, a);
auto stop = clustering_key::from_exploded(*s, b);
if (cmp(stop, start)) {
std::swap(start, stop);
}
auto rt = ::range_tombstone(std::move(start), bound_kind::excl_start,
std::move(stop), bound_kind::excl_end,
tombstone(previously_removed_column_timestamp, gc_clock::time_point()));
m.partition().apply_delete(*s, std::move(rt));
}
return m;
}
std::vector<table_description::column>::iterator table_description::find_column(std::vector<column>& columns, const sstring& name) {
return boost::range::find_if(columns, [&] (const column& c) {
return std::get<sstring>(c) == name;
});
}
void table_description::add_column(std::vector<column>& columns, const sstring& name, data_type type) {
assert(find_column(columns, name) == columns.end());
columns.emplace_back(name, type);
}
void table_description::add_old_column(const sstring& name, data_type type) {
_removed_columns.emplace_back(removed_column { name, type, previously_removed_column_timestamp });
}
void table_description::remove_column(std::vector<column>& columns, const sstring& name) {
auto it = find_column(columns, name);
assert(it != columns.end());
_removed_columns.emplace_back(removed_column { name, std::get<data_type>(*it), column_removal_timestamp });
columns.erase(it);
}
void table_description::alter_column_type(std::vector<column>& columns, const sstring& name, data_type new_type) {
auto it = find_column(columns, name);
assert(it != columns.end());
std::get<data_type>(*it) = new_type;
}
schema_ptr table_description::build_schema() const {
auto sb = schema_builder("ks", "cf");
for (auto&& [ name, type ] : _partition_key) {
sb.with_column(utf8_type->decompose(name), type, column_kind::partition_key);
}
for (auto&& [ name, type ] : _clustering_key) {
sb.with_column(utf8_type->decompose(name), type, column_kind::clustering_key);
}
for (auto&& [ name, type ] : _static_columns) {
sb.with_column(utf8_type->decompose(name), type, column_kind::static_column);
}
for (auto&& [ name, type ] : _regular_columns) {
sb.with_column(utf8_type->decompose(name), type);
}
for (auto&& [ name, type, timestamp ] : _removed_columns) {
sb.without_column(name, type, timestamp);
}
return sb.build();
}
std::vector<mutation> table_description::build_mutations(schema_ptr s) const {
auto ms = boost::copy_range<std::vector<mutation>>(
_mutations | boost::adaptors::transformed([&] (const mutation_description& md) {
return md.build(s);
})
);
boost::sort(ms, mutation_decorated_key_less_comparator());
return ms;
}
table_description::table_description(std::vector<column> partition_key, std::vector<column> clustering_key)
: _partition_key(std::move(partition_key))
, _clustering_key(std::move(clustering_key))
{ }
void table_description::add_static_column(const sstring& name, data_type type) {
_change_log.emplace_back(format("added static column \'{}\' of type \'{}\'", name, type->as_cql3_type()->to_string()));
add_column(_static_columns, name, type);
}
void table_description::add_regular_column(const sstring& name, data_type type) {
_change_log.emplace_back(format("added regular column \'{}\' of type \'{}\'", name, type->as_cql3_type()->to_string()));
add_column(_regular_columns, name, type);
}
void table_description::add_old_static_column(const sstring& name, data_type type) {
add_old_column(name, type);
}
void table_description::add_old_regular_column(const sstring& name, data_type type) {
add_old_column(name, type);
}
void table_description::remove_static_column(const sstring& name) {
_change_log.emplace_back(format("removed static column \'{}\'", name));
remove_column(_static_columns, name);
for (auto& m : _mutations) {
m.remove_static_column(name);
}
}
void table_description::remove_regular_column(const sstring& name) {
_change_log.emplace_back(format("removed regular column \'{}\'", name));
remove_column(_regular_columns, name);
for (auto& m : _mutations) {
m.remove_regular_column(name);
}
}
void table_description::alter_partition_column_type(const sstring& name, data_type new_type) {
_change_log.emplace_back(format("altered partition column \'{}\' type to \'{}\'", name, new_type->as_cql3_type()->to_string()));
alter_column_type(_partition_key, name, new_type);
}
void table_description::alter_clustering_column_type(const sstring& name, data_type new_type) {
_change_log.emplace_back(format("altered clustering column \'{}\' type to \'{}\'", name, new_type->as_cql3_type()->to_string()));
alter_column_type(_clustering_key, name, new_type);
}
void table_description::alter_static_column_type(const sstring& name, data_type new_type) {
_change_log.emplace_back(format("altered static column \'{}\' type to \'{}\'", name, new_type->as_cql3_type()->to_string()));
alter_column_type(_static_columns, name, new_type);
}
void table_description::alter_regular_column_type(const sstring& name, data_type new_type) {
_change_log.emplace_back(format("altered regular column \'{}\' type to \'{}\'", name, new_type->as_cql3_type()->to_string()));
alter_column_type(_regular_columns, name, new_type);
}
void table_description::rename_partition_column(const sstring& from, const sstring& to) {
_change_log.emplace_back(format("renamed partition column \'{}\' to \'{}\'", from, to));
auto it = find_column(_partition_key, from);
assert(it != _partition_key.end());
std::get<sstring>(*it) = to;
}
void table_description::rename_clustering_column(const sstring& from, const sstring& to) {
_change_log.emplace_back(format("renamed clustering column \'{}\' to \'{}\'", from, to));
auto it = find_column(_clustering_key, from);
assert(it != _clustering_key.end());
std::get<sstring>(*it) = to;
}
table_description::table table_description::build() const {
auto s = build_schema();
return { boost::algorithm::join(_change_log, "\n"), s, build_mutations(s) };
}
}