67 lines
1.7 KiB
Objective-C
67 lines
1.7 KiB
Objective-C
/*
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Copyright (C) 2004-2005 SKYRIX Software AG
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This file is part of OpenGroupware.org.
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OGo is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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OGo is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with OGo; see the file COPYING. If not, write to the
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Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA.
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*/
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#import <Foundation/NSArray.h>
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#import <Foundation/NSString.h>
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#import "EOAdaptorChannel+GCS.h"
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@implementation EOAdaptorChannel(GCS)
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- (BOOL) tableExistsWithName: (NSString *) tableName
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{
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NSException *ex;
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NSString *sql;
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BOOL didOpen;
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didOpen = NO;
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if (![self isOpen]) {
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if (![self openChannel])
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return NO;
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didOpen = YES;
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}
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sql = [NSString stringWithFormat: @"SELECT COUNT(*) FROM %@ WHERE 1 = 2",
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tableName];
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ex = [self evaluateExpressionX: sql];
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[self cancelFetch];
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if (didOpen) [self closeChannel];
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return (ex == nil);
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}
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- (void) dropTables: (NSArray *) tableNames
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{
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unsigned int count, max;
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NSString *sql;
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max = [tableNames count];
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for (count = 0; count < max; count++)
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{
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sql = [NSString stringWithFormat: @"DROP TABLE %@",
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[tableNames objectAtIndex: count]];
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[self evaluateExpressionX: sql];
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}
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}
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@end /* EOAdaptorChannel(GCS) */
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