From 5544489096885e4e4be1ab6e54160caaa44c03dc Mon Sep 17 00:00:00 2001
From: stuconnolly <stuart02@gmail.com>
Date: Fri, 4 May 2012 14:36:30 +0000
Subject: Add initial support of moving views when renaming a database.
 Currently not hooked up yet. Part of issue #1235.

---
 Source/SPViewCopy.m | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 Source/SPViewCopy.m

(limited to 'Source/SPViewCopy.m')

diff --git a/Source/SPViewCopy.m b/Source/SPViewCopy.m
new file mode 100644
index 00000000..b7fde195
--- /dev/null
+++ b/Source/SPViewCopy.m
@@ -0,0 +1,90 @@
+//
+//  $Id$
+//
+//  SPViewCopy.m
+//  Sequel Pro
+//
+//  Created by Stuart Connolly (stuconnolly.com) on May 3, 2012
+//  Copyright (c) 2012 Stuart Connolly. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+//
+//  More info at <http://code.google.com/p/sequel-pro/>
+
+#import "SPDBActionCommons.h"
+#import "SPViewCopy.h"
+
+#import <SPMySQL/SPMySQL.h>
+
+@interface SPViewCopy ()
+
+- (NSString *)_createViewStatementFor:(NSString *)view inDatabase:(NSString *)sourceDatabase;
+
+@end
+
+@implementation SPViewCopy
+
+- (BOOL)moveView:(NSString *)view from:(NSString *)sourceDatabase to:(NSString *)targetDatabase
+{
+	NSMutableString *createStatement = [[NSMutableString alloc] initWithString:[self _createViewStatementFor:view inDatabase:sourceDatabase]];
+	
+	NSString *search = [NSString stringWithFormat:@"VIEW %@", [view backtickQuotedString]];
+	
+	NSRange range = [createStatement rangeOfString:search];
+	
+	if (range.location != NSNotFound) {
+		
+		NSUInteger replaced = [createStatement replaceOccurrencesOfString:search withString:[NSString stringWithFormat:@"VIEW %@.%@", [targetDatabase backtickQuotedString], [view backtickQuotedString]] options:0 range:range];
+		
+		if (replaced != 1) return NO;
+	
+		// Replace all occurrences of the old database name
+		[createStatement replaceOccurrencesOfString:[sourceDatabase backtickQuotedString]
+										 withString:[targetDatabase backtickQuotedString]
+											options:0
+											  range:NSMakeRange(0, [createStatement length])];
+		
+		[connection queryString:createStatement];		
+		
+		[createStatement release];
+				
+		return ![connection queryErrored];
+	}
+	
+	[createStatement release];
+	
+	return NO;
+}
+
+#pragma mark -
+#pragma mark Private API
+
+- (NSString *)_createViewStatementFor:(NSString *)view inDatabase:(NSString *)sourceDatabase 
+{
+	NSString *createStatement = [NSString stringWithFormat:@"SHOW CREATE VIEW %@.%@", [sourceDatabase backtickQuotedString], [view backtickQuotedString]];
+	
+	SPMySQLResult *theResult = [connection queryString:createStatement];
+	
+	return [theResult numberOfRows] > 0 ? [[theResult getRowAsArray] objectAtIndex:1] : @"";
+}
+
+@end
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