Updates Demo project

Author: AlvaroFranco

Demo/.DS_Store

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		3840A73019661A1500AADB8C /* caja.sql in Resources */ = {isa = PBXBuildFile; fileRef = 3840A72F19661A1500AADB8C /* caja.sql */; };
 		A73B900E18FFF55E009CECF0 /* test.sqlite in Resources */ = {isa = PBXBuildFile; fileRef = A77919F418FFECBA008FFC3A /* test.sqlite */; };
 		A74038AB18FFC523001D71DD /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A74038AA18FFC523001D71DD /* Foundation.framework */; };
 		A74038AD18FFC523001D71DD /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A74038AC18FFC523001D71DD /* CoreGraphics.framework */; };
@@ -38,6 +39,7 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		3840A72F19661A1500AADB8C /* caja.sql */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = caja.sql; sourceTree = "<group>"; };
 		A74038A718FFC523001D71DD /* AFSQLManager-Demo.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = "AFSQLManager-Demo.app"; sourceTree = BUILT_PRODUCTS_DIR; };
 		A74038AA18FFC523001D71DD /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
 		A74038AC18FFC523001D71DD /* CoreGraphics.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreGraphics.framework; path = System/Library/Frameworks/CoreGraphics.framework; sourceTree = SDKROOT; };
@@ -94,6 +96,7 @@
 			isa = PBXGroup;
 			children = (
 				A77919F418FFECBA008FFC3A /* test.sqlite */,
+				3840A72F19661A1500AADB8C /* caja.sql */,
 			);
 			name = Resources;
 			sourceTree = "<group>";
@@ -263,6 +266,7 @@
 			files = (
 				A74038C318FFC523001D71DD /* Images.xcassets in Resources */,
 				A74038B518FFC523001D71DD /* InfoPlist.strings in Resources */,
+				3840A73019661A1500AADB8C /* caja.sql in Resources */,
 				A74038BE18FFC523001D71DD /* Main.storyboard in Resources */,
 				A73B900E18FFF55E009CECF0 /* test.sqlite in Resources */,
 			);

Demo/AFSQLManager-Demo.xcodeproj/project.pbxproj

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>A74038A618FFC522001D71DD</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+		<key>A74038C718FFC523001D71DD</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
+</dict>
+</plist>

Demo/AFSQLManager-Demo.xcodeproj/project.xcworkspace/xcuserdata/alvaro.xcuserdatad/UserInterfaceState.xcuserstate

@@ -114,19 +114,21 @@ -(void)performQuery:(NSString *)query withBlock:(completionBlock)completion {
     NSString *fixedQuery = [query stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]];
 
     sqlite3_stmt *statement;
-
+    
     if (sqlite3_prepare_v2(_database, [fixedQuery UTF8String], -1, &statement, nil) == SQLITE_OK) {
 
         while (sqlite3_step(statement) == SQLITE_ROW) {
 
             NSMutableArray *row = [NSMutableArray array];
 
             for (int i = 0; i < sqlite3_column_count(statement); i++) {
-                                
-                [row addObject:((char *)sqlite3_column_text(statement, i)) ? [NSString stringWithUTF8String:(char *)sqlite3_column_text(statement, i)] : @""];
+                
+                [row addObject:((char *)sqlite3_column_text(statement, i)) ? [NSString stringWithUTF8String:(char *)sqlite3_column_text(statement, i)] : [NSNull null]];
             }
 
-            completion(row, nil, NO);
+            if (completion) {
+                completion(row, nil, NO);
+            }
         }
 
         sqlite3_finalize(statement);