Index: ObjPgSQL.xcodeproj/project.pbxproj
==================================================================
--- ObjPgSQL.xcodeproj/project.pbxproj
+++ ObjPgSQL.xcodeproj/project.pbxproj
@@ -19,11 +19,11 @@
 		4BCC7454161F82820074ED30 /* PGCommandFailedException.m in Sources */ = {isa = PBXBuildFile; fileRef = 4BCC744E161F82820074ED30 /* PGCommandFailedException.m */; };
 		4BCC7455161F82820074ED30 /* PGConnectionFailedException.h in Headers */ = {isa = PBXBuildFile; fileRef = 4BCC744F161F82820074ED30 /* PGConnectionFailedException.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		4BCC7456161F82820074ED30 /* PGConnectionFailedException.m in Sources */ = {isa = PBXBuildFile; fileRef = 4BCC7450161F82820074ED30 /* PGConnectionFailedException.m */; };
 		4BCC7457161F82820074ED30 /* PGException.h in Headers */ = {isa = PBXBuildFile; fileRef = 4BCC7451161F82820074ED30 /* PGException.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		4BCC7458161F82820074ED30 /* PGException.m in Sources */ = {isa = PBXBuildFile; fileRef = 4BCC7452161F82820074ED30 /* PGException.m */; };
-		4BCC7460161F842F0074ED30 /* libpq.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 4BCC745F161F842F0074ED30 /* libpq.dylib */; };
+		4BCC74B0162036A70074ED30 /* libpq.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 4BCC74AF162036A70074ED30 /* libpq.dylib */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
 		4BCC7424161F81760074ED30 /* ObjPgSQL.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = ObjPgSQL.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		4BCC743C161F82000074ED30 /* ObjFW.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = ObjFW.framework; path = /Library/Frameworks/ObjFW.framework; sourceTree = "<absolute>"; };
@@ -38,21 +38,21 @@
 		4BCC744E161F82820074ED30 /* PGCommandFailedException.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = PGCommandFailedException.m; path = exceptions/PGCommandFailedException.m; sourceTree = SOURCE_ROOT; };
 		4BCC744F161F82820074ED30 /* PGConnectionFailedException.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = PGConnectionFailedException.h; path = exceptions/PGConnectionFailedException.h; sourceTree = SOURCE_ROOT; };
 		4BCC7450161F82820074ED30 /* PGConnectionFailedException.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = PGConnectionFailedException.m; path = exceptions/PGConnectionFailedException.m; sourceTree = SOURCE_ROOT; };
 		4BCC7451161F82820074ED30 /* PGException.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = PGException.h; path = exceptions/PGException.h; sourceTree = SOURCE_ROOT; };
 		4BCC7452161F82820074ED30 /* PGException.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = PGException.m; path = exceptions/PGException.m; sourceTree = SOURCE_ROOT; };
-		4BCC745F161F842F0074ED30 /* libpq.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libpq.dylib; path = usr/lib/libpq.dylib; sourceTree = SDKROOT; };
 		4BCC7464161F85DF0074ED30 /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = SOURCE_ROOT; };
+		4BCC74AF162036A70074ED30 /* libpq.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libpq.dylib; path = /usr/local/lib/libpq.dylib; sourceTree = "<absolute>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
 		4BCC7420161F81760074ED30 /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				4BCC74B0162036A70074ED30 /* libpq.dylib in Frameworks */,
 				4BCC743D161F82000074ED30 /* ObjFW.framework in Frameworks */,
-				4BCC7460161F842F0074ED30 /* libpq.dylib in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXFrameworksBuildPhase section */
 
@@ -113,11 +113,11 @@
 			sourceTree = "<group>";
 		};
 		4BCC7461161F843F0074ED30 /* Libraries */ = {
 			isa = PBXGroup;
 			children = (
-				4BCC745F161F842F0074ED30 /* libpq.dylib */,
+				4BCC74AF162036A70074ED30 /* libpq.dylib */,
 			);
 			name = Libraries;
 			sourceTree = "<group>";
 		};
 /* End PBXGroup section */
@@ -279,10 +279,14 @@
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				FRAMEWORK_VERSION = A;
 				GCC_PRECOMPILE_PREFIX_HEADER = NO;
 				INFOPLIST_FILE = Info.plist;
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					/usr/local/lib,
+				);
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = framework;
 			};
 			name = Debug;
 		};
@@ -293,10 +297,14 @@
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
 				FRAMEWORK_VERSION = A;
 				GCC_PRECOMPILE_PREFIX_HEADER = NO;
 				INFOPLIST_FILE = Info.plist;
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					/usr/local/lib,
+				);
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				WRAPPER_EXTENSION = framework;
 			};
 			name = Release;
 		};

Index: PGConnection.h
==================================================================
--- PGConnection.h
+++ PGConnection.h
@@ -20,6 +20,10 @@
 - (void)reset;
 - (PGResult*)executeCommand: (OFString*)command;
 - (PGResult*)executeCommand: (OFString*)command
 		 parameters: (id)firstParameter, ...;
 - (PGconn*)PG_connection;
+- (void)insertRow: (OFDictionary*)row
+	intoTable: (OFString*)table;
+- (void)insertRows: (OFArray*)rows
+	 intoTable: (OFString*)table;
 @end

Index: PGConnection.m
==================================================================
--- PGConnection.m
+++ PGConnection.m
@@ -123,11 +123,90 @@
 		return [PGResult PG_resultWithResult: result];
 
 	PQclear(result);
 	return nil;
 }
+
+- (void)insertRow: (OFDictionary*)row
+	intoTable: (OFString*)table
+{
+	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
+	OFMutableString *command;
+	OFEnumerator *enumerator;
+	const char **values;
+	PGresult *result;
+	OFString *key, *value;
+	size_t i, count;
+
+	command = [OFMutableString stringWithString: @"INSERT INTO "];
+	[command appendString: table];
+	[command appendString: @" ("];
+
+	count = [row count];
+
+	i = 0;
+	enumerator = [row keyEnumerator];
+	while ((key = [enumerator nextObject]) != nil) {
+		if (i > 0)
+			[command appendString: @", "];
+
+		[command appendString: key];
+
+		i++;
+	}
+
+	[command appendString: @") VALUES ("];
+
+	values = [self allocMemoryWithSize: sizeof(*values)
+				     count: count];
+	@try {
+		i = 0;
+		enumerator = [row objectEnumerator];
+		while ((value = [enumerator nextObject]) != nil) {
+			if (i > 0)
+				[command appendString: @", "];
+
+			values[i] = [value UTF8String];
+
+			[command appendFormat: @"$%zd", ++i];
+		}
+
+		[command appendString: @")"];
+
+		result = PQexecParams(conn, [command UTF8String], (int)count,
+		    NULL, values, NULL, NULL, 0);
+	} @finally {
+		[self freeMemory: values];
+	}
+
+	[pool release];
+
+	if (PQresultStatus(result) != PGRES_COMMAND_OK) {
+		PQclear(result);
+		@throw [PGCommandFailedException
+		    exceptionWithClass: [self class]
+			    connection: self
+			       command: command];
+	}
+
+	PQclear(result);
+}
+
+- (void)insertRows: (OFArray*)rows
+	 intoTable: (OFString*)table
+{
+	OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
+	OFEnumerator *enumerator = [rows objectEnumerator];
+	OFDictionary *row;
+
+	while ((row = [enumerator nextObject]) != nil)
+		[self insertRow: row
+		      intoTable: table];
+
+	[pool release];
+}
 
 - (PGconn*)PG_connection
 {
 	return conn;
 }
 @end

Index: test.m
==================================================================
--- test.m
+++ test.m
@@ -32,10 +32,12 @@
 				    @"VALUES($1, $2, $3)"
 			parameters: @"1", @"foo", @"Hallo Welt!", nil];
 	[connection executeCommand: @"INSERT INTO test (id, content) "
 				    @"VALUES($1, $2)"
 			parameters: @"2", @"Blup!!", nil];
+	[connection insertRow: @{ @"content": @"Hallo!", @"name": @"foo" }
+		    intoTable: @"test"];
 
 	result = [connection executeCommand: @"SELECT * FROM test"];
 	of_log(@"%@", result);
 	of_log(@"JSON: %@", [result JSONRepresentation]);