initial support for aggregate functions

CMakeLists.txt

@@ -16,7 +16,7 @@ set(PROJECT_NAME usql)
 include_directories(${CMAKE_SOURCE_DIR}/clib ${CMAKE_SOURCE_DIR})
 
 set(SOURCE
-	exception.cpp lexer.cpp parser.cpp usql.cpp main.cpp table.cpp table.h row.cpp row.h csvreader.cpp csvreader.h ml_date.cpp settings.cpp clib/ml_string.cpp clib/linenoise.c)
+	exception.cpp lexer.cpp parser.cpp usql.cpp usql_ddl.cpp usql_dml.cpp main.cpp table.cpp row.cpp row.h csvreader.cpp ml_date.cpp settings.cpp clib/ml_string.cpp clib/linenoise.c)
 
 add_executable(${PROJECT_NAME} ${SOURCE})