implemented prepared statement for postgres and sqlite

backends/postgres/CMakeLists.txt

@@ -3,6 +3,8 @@ set(HEADER
   include/postgres_error.hpp
   include/postgres_result_reader.hpp
   include/postgres_dialect.hpp
+  include/postgres_statement.hpp
+  include/postgres_parameter_binder.h
 )
 
 set(SOURCES
@@ -10,17 +12,22 @@ set(SOURCES
   src/postgres_error.cpp
   src/postgres_result_reader.cpp
   src/postgres_dialect.cpp
+  src/postgres_statement.cpp
+  src/postgres_parameter_binder.cpp
 )
 
-add_library(matador-postgres SHARED ${SOURCES} ${HEADER})
-target_include_directories(matador-postgres PRIVATE
+set(LIBRARY_TARGET matador-postgres)
+
+add_library(${LIBRARY_TARGET} MODULE ${SOURCES} ${HEADER})
+
+set_target_properties(${LIBRARY_TARGET}
+  PROPERTIES
+  LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/backends"
+)
+
+target_include_directories(${LIBRARY_TARGET} PRIVATE
   ${PROJECT_SOURCE_DIR}/include
   ${PROJECT_SOURCE_DIR}/backends/postgres/include
   ${PostgreSQL_INCLUDE_DIRS})
 
-target_link_libraries(matador-postgres matador ${PostgreSQL_LIBRARIES})
-
-set_target_properties(matador-postgres
-  PROPERTIES
-  LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/backends"
-)
+target_link_libraries(${LIBRARY_TARGET} matador ${PostgreSQL_LIBRARIES})