Move postgresql backend's include files to a new db subdir.

Fix build and remove unneeded include in tag.cpp

src/backends/postgresql/CMakeLists.txt

@@ -8,8 +8,9 @@ add_library(${PROJECT_NAME} STATIC
 	dbsource.cpp
 )
 
-#target_include_directories(${PROJECT_NAME}
+target_include_directories(${PROJECT_NAME}
-#)
+	PUBLIC ${CMAKE_SOURCE_DIR}/include/backends/postgresql
+)
 #target_include_directories(${PROJECT_NAME} SYSTEM
 #)
 

src/backends/postgresql/dbsource.cpp

@@ -15,8 +15,8 @@
  * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "backends/postgresql/dbsource.hpp"
+#include "db/dbsource.hpp"
-#include "backends/postgresql/settings.hpp"
+#include "db/settings.hpp"
 #include "pq/connection.hpp"
 #include "helpers/infix_iterator.hpp"
 #include <ciso646>

src/backends/postgresql/delete.cpp

@@ -15,8 +15,8 @@
  * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "backends/postgresql/delete.hpp"
+#include "db/delete.hpp"
-#include "backends/postgresql/settings.hpp"
+#include "db/settings.hpp"
 #include "pq/connection.hpp"
 #include "helpers/infix_iterator.hpp"
 #include <sstream>

src/backends/postgresql/locate.cpp

@@ -15,8 +15,8 @@
  * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "backends/postgresql/locate.hpp"
+#include "db/locate.hpp"
-#include "backends/postgresql/settings.hpp"
+#include "db/settings.hpp"
 #include "pq/connection.hpp"
 #include "dindexer-machinery/tiger.hpp"
 #include <utility>

src/backends/postgresql/scan.cpp

@@ -15,8 +15,8 @@
  * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "backends/postgresql/scan.hpp"
+#include "db/scan.hpp"
-#include "backends/postgresql/settings.hpp"
+#include "db/settings.hpp"
 #include "pq/connection.hpp"
 #include "dindexer-machinery/recorddata.hpp"
 #include <string>

src/backends/postgresql/tag.cpp

@@ -15,10 +15,9 @@
  * along with "dindexer".  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "backends/postgresql/tag.hpp"
+#include "db/tag.hpp"
-#include "backends/postgresql/settings.hpp"
+#include "db/settings.hpp"
 #include "pq/connection.hpp"
-#include "dindexer-common/settings.hpp"
 #include <ciso646>
 
 namespace dinbpostgres {