X-Git-Url: http://git.ithinksw.org/ITFoundation.git/blobdiff_plain/744612b5d258474e367710b870a5caaed7d11ab9..0238d96a35ba0c9d948e03672cce0506f8a57b46:/ITSQLite3Database.h

diff --git a/ITSQLite3Database.h b/ITSQLite3Database.h
index ed13477..ee9163c 100644
--- a/ITSQLite3Database.h
+++ b/ITSQLite3Database.h
@@ -12,12 +12,13 @@
 #import <Foundation/Foundation.h>
 #import <sqlite3.h>
 
-static int sqlite3_bind_objc_object(sqlite3_stmt *statement, int index, id object);
-static id sqlite3_column_objc_object(sqlite3_stmt *statement, int columnIndex);
+extern int sqlite3_bind_objc_object(sqlite3_stmt *statement, int index, id object);
+extern id sqlite3_column_objc_object(sqlite3_stmt *statement, int columnIndex);
 
 @interface ITSQLite3Database : NSObject {
 	NSString *dbPath;
 	sqlite3 *db;
+	NSRecursiveLock *dbLock;
 }
 
 - (id)initWithPath:(NSString *)path;
@@ -29,13 +30,18 @@ static id sqlite3_column_objc_object(sqlite3_stmt *statement, int columnIndex);
 - (BOOL)rollback;
 - (BOOL)rollbackTransaction;
 
-- (BOOL)executeQuery:(NSString *)query va_args:(va_list)args;
 - (BOOL)executeQuery:(NSString *)query, ...;
 
-- (NSDictionary *)fetchRow:(NSString *)query va_args:(va_list)args;
+// returns a dictionary with column names as keys, or nil
 - (NSDictionary *)fetchRow:(NSString *)query, ...;
 
-- (NSArray *)fetchTable:(NSString *)query va_args:(va_list)args;
+// returns an array of dictionaries with column names as keys, or an empty array
 - (NSArray *)fetchTable:(NSString *)query, ...;
 
+// returns a single column value, or nil
+- (id)fetchRowColumn:(NSString *)query, ...;
+
+// returns an array of single column values, or an empty array
+- (NSArray *)fetchTableColumn:(NSString *)query, ...;
+
 @end