ObjPgSQL  Check-in [d2fe40f160]

Overview
Comment:Nicer API.

-[executeCommand:parameters:] is now a variadic function instead of
taking an array as argument.

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SHA3-256: d2fe40f16065b5ccf5ba135af1ec95f09ed2f8ee96e661a7a7d085da833e972e
User & Date: js on 2012-10-05 20:17:45
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Context
2012-10-05
21:19
Add Xcode project. check-in: cf2fe18597 user: js tags: trunk
20:17
Nicer API. check-in: d2fe40f160 user: js tags: trunk
2012-10-04
22:18
Exclude fields that are NULL from the result. check-in: 6d068f6ae7 user: js tags: trunk
Changes
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Modified PGConnection.h from [6e2d36c890] to [260fd28f22].

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- (void)setParameters: (OFDictionary*)parameters;
- (OFDictionary*)parameters;
- (void)connect;
- (void)reset;
- (PGResult*)executeCommand: (OFString*)command;
- (PGResult*)executeCommand: (OFString*)command
		 parameters: (OFArray*)parameters;
		 parameters: (id)firstParameter, ...;
- (PGconn*)PG_connection;
@end

Modified PGConnection.m from [8d29eddb59] to [d345fef3f0].

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		return [PGResult PG_resultWithResult: result];

	PQclear(result);
	return nil;
}

- (PGResult*)executeCommand: (OFString*)command
		 parameters: (OFArray*)parameters_
		 parameters: (id)parameter, ...
{
	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
	PGresult *result;
	const char **values;
	va_list args, args2;
	size_t argsCount;

	va_start(args, parameter);
	va_copy(args2, args);

	for (argsCount = 1; va_arg(args2, id) != nil; argsCount++);

	values = [self allocMemoryWithSize: sizeof(*values)
				     count: [parameters_ count]];
				     count: argsCount];
	@try {
		OFEnumerator *enumerator = [parameters_ objectEnumerator];
		size_t i = 0;
		id parameter;

		while ((parameter = [enumerator nextObject]) != nil) {
		do {
			if ([parameter isKindOfClass: [OFNull class]])
				values[i++] = NULL;
			else
				values[i++] = [parameter UTF8String];
		}
		} while ((parameter = va_arg(args, id)) != nil);

		result = PQexecParams(conn, [command UTF8String],
		    [parameters_ count], NULL, values, NULL, NULL, 0);
		    argsCount, NULL, values, NULL, NULL, 0);
	} @finally {
		[self freeMemory: values];
	}

	[pool release];

	if (PQresultStatus(result) == PGRES_FATAL_ERROR) {
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Modified test.m from [e494e1ab6f] to [f9e8525602].

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	[connection executeCommand: @"CREATE TABLE test ("
				    @"    id integer,"
				    @"    name varchar(255),"
				    @"    content text"
				    @")"];
	[connection executeCommand: @"INSERT INTO test (id, name, content) "
				    @"VALUES($1, $2, $3)"
			parameters: @[@"1", @"foo", @"Hallo Welt!"]];
			parameters: @"1", @"foo", @"Hallo Welt!", nil];
	[connection executeCommand: @"INSERT INTO test (id, content) "
				    @"VALUES($1, $2)"
			parameters: @[@"2", @"Blup!!"]];
			parameters: @"2", @"Blup!!", nil];

	result = [connection executeCommand: @"SELECT * FROM test"];
	of_log(@"%@", result);
	of_log(@"JSON: %@", [result JSONRepresentation]);

	result = [connection executeCommand: @"SELECT COUNT(*) FROM test"];
	of_log(@"%@", result);

	[OFApplication terminate];
}
@end

Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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