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a8cc5ed491
Validation of a CREATE MATERIALIZED VIEW statement takes place inside the prepare_schema_mutations() method. I would like to generate warnings during this validation, but there's currently no way to pass them. Let's add one more return value - a vector of CQL warnings generated during the execution of this statement. A new alias is added to make it clear what the function is returning: ```c++ // A vector of CQL warnings generated during execution of a statement. using cql_warnings_vec = std::vector<sstring>; ``` Later the warnings will be sent to the user by the function schema_altering_statment::execute(), which is the only caller of prepare_schema_mutations(). Signed-off-by: Jan Ciolek <jan.ciolek@scylladb.com>
40 lines
984 B
C++
40 lines
984 B
C++
/*
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* Copyright (C) 2015-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: (AGPL-3.0-or-later and Apache-2.0)
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*/
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#pragma once
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#include "cql3/statements/schema_altering_statement.hh"
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namespace cql3 {
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class query_processor;
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class cf_name;
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namespace statements {
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class drop_table_statement : public schema_altering_statement {
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bool _if_exists;
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public:
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drop_table_statement(cf_name cf_name, bool if_exists);
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virtual future<> check_access(query_processor& qp, const service::client_state& state) const override;
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virtual void validate(query_processor&, const service::client_state& state) const override;
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future<std::tuple<::shared_ptr<cql_transport::event::schema_change>, std::vector<mutation>, cql3::cql_warnings_vec>> prepare_schema_mutations(query_processor& qp, api::timestamp_type) const override;
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virtual std::unique_ptr<prepared_statement> prepare(data_dictionary::database db, cql_stats& stats) override;
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};
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}
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}
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