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scylladb/cql3/statements/drop_index_statement.hh
Avi Kivity f3eade2f62 treewide: relicense to ScyllaDB-Source-Available-1.0
Drop the AGPL license in favor of a source-available license.
See the blog post [1] for details.

[1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
2024-12-18 17:45:13 +02:00

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1.7 KiB
C++

/*
* Copyright (C) 2017-present ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* SPDX-License-Identifier: (LicenseRef-ScyllaDB-Source-Available-1.0 and Apache-2.0)
*/
#pragma once
#include "cql3/statements/schema_altering_statement.hh"
#include <seastar/core/shared_ptr.hh>
#include <optional>
#include <memory>
#include "schema/schema_fwd.hh"
namespace cql3 {
class query_processor;
class index_name;
namespace statements {
class drop_index_statement : public schema_altering_statement {
sstring _index_name;
// A "drop index" statement does not specify the base table's name, just an
// index name. Nevertheless, the virtual column_family() method is supposed
// to return a reasonable table name. If the index doesn't exist, we return
// an empty name (this commonly happens with "if exists").
mutable std::optional<sstring> _cf_name;
bool _if_exists;
cql_stats* _cql_stats = nullptr;
public:
drop_index_statement(::shared_ptr<index_name> index_name, bool if_exists);
virtual const sstring& column_family() const override;
virtual future<> check_access(query_processor& qp, const service::client_state& state) const override;
virtual void validate(query_processor&, const service::client_state& state) const override;
future<std::tuple<::shared_ptr<cql_transport::event::schema_change>, std::vector<mutation>, cql3::cql_warnings_vec>> prepare_schema_mutations(query_processor& qp, const query_options& options, api::timestamp_type) const override;
virtual std::unique_ptr<prepared_statement> prepare(data_dictionary::database db, cql_stats& stats) override;
private:
schema_ptr lookup_indexed_table(query_processor& qp) const;
schema_ptr make_drop_idex_schema(query_processor& qp) const;
};
}
}