868ac42a8b
For tables of special types that can be located: MV, CDC, and paxos table, we should not use tombstone_gc=repair mode because colocated tablets are never repaired, hence they will not have repair_time set and will never be GC'd using 'repair' mode.
120 lines
4.5 KiB
C++
120 lines
4.5 KiB
C++
/*
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* Copyright 2016-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: (LicenseRef-ScyllaDB-Source-Available-1.0 and Apache-2.0)
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*/
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#include <seastar/core/coroutine.hh>
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#include "cql3/statements/alter_view_statement.hh"
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#include "cql3/statements/prepared_statement.hh"
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#include "service/migration_manager.hh"
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#include "service/storage_proxy.hh"
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#include "validation.hh"
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#include "view_info.hh"
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#include "data_dictionary/data_dictionary.hh"
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#include "cql3/query_processor.hh"
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namespace cql3 {
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namespace statements {
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alter_view_statement::alter_view_statement(cf_name view_name, std::optional<cf_prop_defs> properties)
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: schema_altering_statement{std::move(view_name)}
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, _properties{std::move(properties)}
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{
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}
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future<> alter_view_statement::check_access(query_processor& qp, const service::client_state& state) const
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{
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try {
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const data_dictionary::database db = qp.db();
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auto&& s = db.find_schema(keyspace(), column_family());
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if (s->is_view()) {
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return state.has_column_family_access(keyspace(), s->view_info()->base_name(), auth::permission::ALTER);
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}
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} catch (const data_dictionary::no_such_column_family& e) {
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// Will be validated afterwards.
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}
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return make_ready_future<>();
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}
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view_ptr alter_view_statement::prepare_view(data_dictionary::database db) const {
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schema_ptr schema = validation::validate_column_family(db, keyspace(), column_family());
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if (!schema->is_view()) {
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throw exceptions::invalid_request_exception("Cannot use ALTER MATERIALIZED VIEW on Table");
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}
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if (!_properties) {
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throw exceptions::invalid_request_exception("ALTER MATERIALIZED VIEW WITH invoked, but no parameters found");
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}
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auto schema_extensions = _properties->make_schema_extensions(db.extensions());
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_properties->validate(db, keyspace(), schema_extensions);
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bool is_colocated = [&] {
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if (!db.find_keyspace(keyspace()).get_replication_strategy().uses_tablets()) {
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return false;
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}
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auto base_schema = db.find_schema(schema->view_info()->base_id());
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if (!base_schema) {
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return false;
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}
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return std::ranges::equal(
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schema->partition_key_columns(),
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base_schema->partition_key_columns(),
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[](const column_definition& a, const column_definition& b) { return a.name() == b.name(); });
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}();
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if (is_colocated) {
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auto gc_opts = _properties->get_tombstone_gc_options(schema_extensions);
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if (gc_opts && gc_opts->mode() == tombstone_gc_mode::repair) {
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throw exceptions::invalid_request_exception("The 'repair' mode for tombstone_gc is not allowed on co-located materialized view tables.");
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}
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}
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auto builder = schema_builder(schema);
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_properties->apply_to_builder(builder, std::move(schema_extensions), db, keyspace(), !is_colocated);
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if (builder.get_gc_grace_seconds() == 0) {
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throw exceptions::invalid_request_exception(
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"Cannot alter gc_grace_seconds of a materialized view to 0, since this "
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"value is used to TTL undelivered updates. Setting gc_grace_seconds too "
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"low might cause undelivered updates to expire before being replayed.");
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}
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if (builder.default_time_to_live().count() > 0) {
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throw exceptions::invalid_request_exception(
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"Cannot set or alter default_time_to_live for a materialized view. "
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"Data in a materialized view always expire at the same time than "
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"the corresponding data in the parent table.");
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}
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return view_ptr(builder.build());
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}
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future<std::tuple<::shared_ptr<cql_transport::event::schema_change>, utils::chunked_vector<mutation>, cql3::cql_warnings_vec>> alter_view_statement::prepare_schema_mutations(query_processor& qp, const query_options&, api::timestamp_type ts) const {
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auto m = co_await service::prepare_view_update_announcement(qp.proxy(), prepare_view(qp.db()), ts);
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using namespace cql_transport;
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auto ret = ::make_shared<event::schema_change>(
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event::schema_change::change_type::UPDATED,
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event::schema_change::target_type::TABLE,
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keyspace(),
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column_family());
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co_return std::make_tuple(std::move(ret), std::move(m), std::vector<sstring>());
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}
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std::unique_ptr<cql3::statements::prepared_statement>
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alter_view_statement::prepare(data_dictionary::database db, cql_stats& stats) {
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return std::make_unique<prepared_statement>(audit_info(), make_shared<alter_view_statement>(*this));
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}
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}
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}
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