ObjPgSQL  Documentation

/*
 * Copyright (c) 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@nil.im>
 *
 * https://fossil.nil.im/objpgsql
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice is present in all copies.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#import "PGException.h"
#import "PGConnection+Private.h"

@implementation PGException
@synthesize connection = _connection;

+ (instancetype)exceptionWithConnection: (PGConnection *)connection
{
	return [[[self alloc] initWithConnection: connection] autorelease];
}

- initWithConnection: (PGConnection *)connection
{
	self = [super init];

	@try {
		_connection = [connection retain];
		_error = [[OFString alloc]
		    initWithCString: PQerrorMessage([_connection pg_connection])
			   encoding: [OFLocale encoding]];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_connection release];
	[_error release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"A PostgreSQL operation failed: %@",
					   _error];
}
@end