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scylladb/exceptions/unrecognized_entity_exception.hh
Jan Ciolek 55fb91bf10 exceptions: remove relation field from unrecognized_entity_exception
The exception unrecognized_entity_exception used to have two fields:
* entity - the name that wasn't recognized
* relation_str - part of the WHERE clause that contained this entity

In 4e0a089f3e the places that throw
this exception were modified, the thrower started passing unrecognized
column name to both fields - entity and relation_str. It was easier to
do things this way, accessing the whole WHERE clause can be problematic.

The problem is that this caused error messages to get weird, e.g:
"Undefined name x in where clause ('x')".
x is not the WHERE clause, it's the unrecognized name.

Let's remove the `relation_str` field as it isn't used anymore,
it only causes confusion. After this change the message would be:
"Unrecognized name x"
Which makes much more sense.

Refs #10632

Signed-off-by: Jan Ciolek <jan.ciolek@scylladb.com>

Closes #13944
2023-05-24 19:35:26 +03:00

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/*
* Copyright (C) 2015-present ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
*/
#pragma once
#include "exceptions.hh"
#include <seastar/core/shared_ptr.hh>
#include "cql3/column_identifier.hh"
namespace exceptions {
/**
* Exception thrown when an entity is not recognized.
*/
class unrecognized_entity_exception : public invalid_request_exception {
public:
/**
* The unrecognized entity.
*/
cql3::column_identifier entity;
/**
* Creates a new <code>UnrecognizedEntityException</code>.
* @param entity the unrecognized entity
*/
unrecognized_entity_exception(cql3::column_identifier entity)
: invalid_request_exception(format("Unrecognized name {}", entity))
, entity(std::move(entity))
{ }
};
}