allow crs without projection entries (fixes #6117)

Author: jef-n

resources/qgis.db

@@ -1987,21 +1987,6 @@ bool QgisApp::createDB()
                          "is_geo integer NOT NULL,"
                          "deprecated boolean);"
                          "CREATE INDEX idx_srsauthid on tbl_srs(auth_name,auth_id);"
-                         "DROP VIEW vw_srs;"
-                         "CREATE VIEW vw_srs as "
-                         "select a.description as description,"
-                         "a.srs_id as srs_id,"
-                         "a.is_geo as is_geo,"
-                         "b.name as name,"
-                         "a.parameters as parameters,"
-                         "a.auth_name as auth_name,"
-                         "a.auth_id as auth_id,"
-                         "a.deprecated as deprecated"
-                         " from "
-                         "tbl_srs a inner join tbl_projection b on a.projection_acronym=b.acronym"
-                         " order by "
-                         "b.name,"
-                         "a.description;"
                          "INSERT INTO tbl_srs(srs_id,description,projection_acronym,ellipsoid_acronym,parameters,srid,auth_name,auth_id,is_geo,deprecated) SELECT srs_id,description,projection_acronym,ellipsoid_acronym,parameters,srid,'','',is_geo,0 FROM tbl_srs_bak;"
                          "DROP TABLE tbl_srs_bak", 0, 0, &errmsg ) != SQLITE_OK
          )
@@ -2013,6 +1998,29 @@ bool QgisApp::createDB()
       }
     }
 
+    if ( sqlite3_exec( db,
+                       "DROP VIEW vw_srs;"
+                       "CREATE VIEW vw_srs AS"
+                       " SELECT"
+                       " a.description AS description"
+                       ",a.srs_id AS srs_id"
+                       ",a.is_geo AS is_geo"
+                       ",coalesce(b.name,a.projection_acronym) AS name"
+                       ",a.parameters AS parameters"
+                       ",a.auth_name AS auth_name"
+                       ",a.auth_id AS auth_id"
+                       ",a.deprecated AS deprecated"
+                       " FROM tbl_srs a"
+                       " LEFT OUTER JOIN tbl_projection b ON a.projection_acronym=b.acronym"
+                       " ORDER BY coalesce(b.name,a.projection_acronym),a.description", 0, 0, &errmsg ) != SQLITE_OK
+       )
+    {
+      QMessageBox::critical( this, tr( "Private qgis.db" ), tr( "Update of view in private qgis.db failed.\n%1" ).arg( QString::fromUtf8( errmsg ) ) );
+      sqlite3_free( errmsg );
+      sqlite3_close( db );
+      return false;
+    }
+
     sqlite3_close( db );
   }
   return true;