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[self close];
[super dealloc];
}
- (void)connect
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFEnumerator *keyEnumerator = [_parameters keyEnumerator];
OFEnumerator *objectEnumerator = [_parameters objectEnumerator];
void *pool = objc_autoreleasePoolPush();
OFEnumerator OF_GENERIC(OFString *) *keyEnumerator =
[_parameters keyEnumerator];
OFEnumerator OF_GENERIC(OFString *) *objectEnumerator =
[_parameters objectEnumerator];
OFMutableString *connectionInfo = nil;
OFString *key, *object;
while ((key = [keyEnumerator nextObject]) != nil &&
(object = [objectEnumerator nextObject]) != nil) {
if (connectionInfo != nil)
[connectionInfo appendFormat: @" %@=%@", key, object];
else
connectionInfo = [OFMutableString stringWithFormat:
@"%@=%@", key, object];
}
if ((_connnection = PQconnectdb([connectionInfo UTF8String])) == NULL)
@throw [OFOutOfMemoryException exception];
if (PQstatus(_connnection) == CONNECTION_BAD)
@throw [PGConnectionFailedException
exceptionWithConnection: self];
[pool release];
objc_autoreleasePoolPop(pool);
}
- (void)reset
{
PQreset(_connnection);
}
- (void)close
{
if (_connnection != NULL)
PQfinish(_connnection);
_connnection = NULL;
}
- (PGResult*)executeCommand: (OFConstantString*)command
- (PGResult *)executeCommand: (OFConstantString *)command
{
PGresult *result = PQexec(_connnection, [command UTF8String]);
if (PQresultStatus(result) == PGRES_FATAL_ERROR) {
PQclear(result);
@throw [PGCommandFailedException
exceptionWithConnection: self
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PQclear(result);
@throw [PGCommandFailedException
exceptionWithConnection: self
command: command];
}
}
- (PGResult*)executeCommand: (OFConstantString*)command
parameters: (id)parameter, ...
- (PGResult *)executeCommand: (OFConstantString *)command
parameters: (id)parameter, ...
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
void *pool = objc_autoreleasePoolPush();
PGresult *result;
const char **values;
va_list args, args2;
int argsCount;
va_start(args, parameter);
va_copy(args2, args);
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result = PQexecParams(_connnection, [command UTF8String],
argsCount, NULL, values, NULL, NULL, 0);
} @finally {
[self freeMemory: values];
}
[pool release];
objc_autoreleasePoolPop(pool);
switch (PQresultStatus(result)) {
case PGRES_TUPLES_OK:
return [PGResult PG_resultWithResult: result];
case PGRES_COMMAND_OK:
PQclear(result);
return nil;
default:
PQclear(result);
@throw [PGCommandFailedException
exceptionWithConnection: self
command: command];
}
}
- (void)insertRow: (OFDictionary*)row
intoTable: (OFString*)table
- (void)insertRow: (OFDictionary *)row
intoTable: (OFString *)table
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
void *pool = objc_autoreleasePoolPush();
OFMutableString *command;
OFEnumerator *enumerator;
const char **values;
PGresult *result;
OFString *key, *value;
size_t i, count;
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result = PQexecParams(_connnection, [command UTF8String],
(int)count, NULL, values, NULL, NULL, 0);
} @finally {
[self freeMemory: values];
}
[pool release];
objc_autoreleasePoolPop(pool);
if (PQresultStatus(result) != PGRES_COMMAND_OK) {
PQclear(result);
@throw [PGCommandFailedException
exceptionWithConnection: self
command: command];
}
PQclear(result);
}
- (void)insertRows: (OFArray*)rows
intoTable: (OFString*)table
- (void)insertRows: (OFArray OF_GENERIC(OFDictionary *) *)rows
intoTable: (OFString *)table
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFEnumerator *enumerator = [rows objectEnumerator];
OFDictionary *row;
while ((row = [enumerator nextObject]) != nil)
}
[pool release];
}
|