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Diffstat (limited to 'Frameworks/MCPKit/MCPFoundationKit/MCPFastQueries.m')
| -rw-r--r-- | Frameworks/MCPKit/MCPFoundationKit/MCPFastQueries.m | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/Frameworks/MCPKit/MCPFoundationKit/MCPFastQueries.m b/Frameworks/MCPKit/MCPFoundationKit/MCPFastQueries.m new file mode 100644 index 00000000..951d29af --- /dev/null +++ b/Frameworks/MCPKit/MCPFoundationKit/MCPFastQueries.m @@ -0,0 +1,113 @@ +// +// $Id: MCPFastQueries.m 1056 2009-07-18 10:42:29Z stuart02 $ +// +// MCPFastQueries.m +// MCPKit +// +// Created by Serge Cohen (serge.cohen@m4x.org) on 03/06/2002. +// Copyright (c) 2001 Serge Cohen. All rights reserved. +// +// Forked by the Sequel Pro team (sequelpro.com), April 2009 +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +// More info at <http://mysql-cocoa.sourceforge.net/> +// More info at <http://code.google.com/p/sequel-pro/> + +#import "MCPFastQueries.h" +#import "MCPResultPlus.h" + +/** + * This actegory is made up to keep the extra methods out or the core of the framework. + * + * Basicly this is the place to add methods which are useful, but are just wrappers to the methods of the + * core (MCPConnection, MCPResult). The purpous being to have a single line call available for current tasks + * which otherwise would need a couple of lines and object defined. + */ +@implementation MCPConnection (MCPFastQueries) + +/** + * Send the query aQuery to the server and retrieve the row id if the table have a autoincrement column. + * Returns 0 if nothing have been inserted. + */ +- (my_ulonglong)insertQuery:(NSString *)query +{ + [self queryString:query]; + + return [self insertId]; +} + +/** + * Send the query aQuery to the server and retrieve the number of affected rows (should work with !{update}, + * !{delete}, !{insert} and !{select} type of queries). + * + * NB: This can also be used with a !{select} query if you are only interested in the number of row complying + * with the query; you'll get no chance to get the result from the query, except by sending the query + * again (with !{queryString:}) + */ +- (my_ulonglong)updateQuery:(NSString *)query +{ + [self queryString:query]; + + return [self affectedRows]; +} + +/** + * Get the first field of the first row of the result from the query (aQuery). Should return nil if no object + * at all are selected. + */ +- (id)getFirstFieldFromQuery:(NSString *)query +{ + return [[[self queryString:query] fetchRowAsType:MCPTypeArray] objectAtIndex:0]; +} + +/** + * Get the firdst row of the result from the query aQuery, in a collection of type determined by aType + * (MCPTypeArray or MCPTypeDictionary) + */ +- (id) getFirstRowFromQuery:(NSString *)query asType:(MCPReturnType)type +{ + return [[self queryString:query] fetchRowAsType:type]; +} + +/** + * Get a bidimensional table of the whole rows of the result from the query aQuery. The type of the result is + * choosen by aType, it can be (MCPTypeArray, MCPTypeDictionary, MCPTypeFlippedArray & MCPTypeFlippedDictionary). + * Description of the types can be found in method !{fetch2DResultAsType:}. + */ +- (id)getAllRowsFromQuery:(NSString *)query asType:(MCPReturnType)type + +{ + return [[self queryString:query] fetch2DResultAsType:type]; +} + +/** + * Get a column (as an NSArray) of the result from the query aQuery. The column is choosen from it's index, + * starting from 0. + */ +- (NSArray *)getQuery:(NSString *)query colWithIndex:(unsigned int)col +{ + return [[self queryString:query] fetchColAtIndex:col]; +} + +/** + * Get a column (as an NSArray) of the result from the query aQuery. The column is choosen from it's name. + */ +- (NSArray *)getQuery:(NSString *)query colWithName:(NSString *)colName +{ + return [[self queryString:query] fetchColWithName:colName]; +} + +@end |