Rebuild with import and export functionalities

demo/database.gd

@@ -3,9 +3,9 @@ extends Node
 const SQLite = preload("res://bin/gdsqlite.gdns")
 var db
 #var db_name = "user://test"
-var db_name = "res://test"
+var db_name = "res://data/test"
 #var db_name = "test"
-var json_name = "test_backup"
+var json_name = "data/test_backup"
 var table_name = "company"
 
 var ids = [1,2,3,4,5,6,7]
@@ -92,14 +92,14 @@ func _ready():
 	print("Current database encoding is: ", db.query_result[0]["encoding"])
 
 	# Export the table to a json-file with a specified name
-	db.export_to_json("data/" + json_name + "_new")
+	db.export_to_json(json_name + "_new")
 
 	# Close the current database
 	db.close_db()
 
 	# Import (and, consequently, open) a database from an old backup json-file
 	print("Overwriting database content with old backup...")
-	db.import_from_json("data/" + json_name + "_old")
+	db.import_from_json(json_name + "_old")
 
 	# Check which employees were present in this old json-file
 	select_condition = ""
@@ -114,7 +114,7 @@ func _ready():
 
 	# Import the data (in a destructive manner) from the new backup json-file
 	print("Overwriting database content again with latest backup...")
-	db.import_from_json("data/" + json_name + "_new")
+	db.import_from_json(json_name + "_new")
 
 	# Close the imported database
 	db.close_db()

src/gdsqlite.cpp

@@ -126,7 +126,7 @@ bool SQLite::import_from_json(String import_path)
     for (int i = 0; i <= old_number_of_tables - 1; i++)
     {
         Dictionary table_dict = query_result[i];
-        old_table_names.append(String(table_dict["name"]));
+        old_table_names.append((const String &)table_dict["name"]);
     }
 
     std::vector<table_struct> tables_to_import;
@@ -191,7 +191,7 @@ bool SQLite::export_to_json(String export_path)
         Dictionary table_dict = database_dict[i]; 
         String json_string, query_string; 
 
-        query_string = "SELECT * FROM " + String(table_dict["name"]) + ";"; 
+        query_string = "SELECT * FROM " + (const String &)table_dict["name"] + ";"; 
         query(query_string); 
         table_dict["row_array"] = query_result; 
 
@@ -217,7 +217,7 @@ void SQLite::close_db()
         // Cannot close database!
         if (sqlite3_close_v2(db) != SQLITE_OK)
         {
-            Godot::print("Cannot close database!");
+            Godot::print("GDSQLite Error: Cannot close database!");
         }
         else
         {
@@ -394,7 +394,7 @@ bool SQLite::insert_rows(String p_name, Array p_row_array)
     {
         if (p_row_array[i].get_type() != Variant::DICTIONARY)
         {
-            Godot::print("All elements of the Array should be of type Dictionary");
+            Godot::print("GDSQLite Error: All elements of the Array should be of type Dictionary");
             return false;
         }
         if (!insert_row(p_name, p_row_array[i]))
@@ -417,7 +417,7 @@ Array SQLite::select_rows(String p_name, String p_conditions, Array p_columns_ar
     {
         if (p_columns_array[i].get_type() != Variant::STRING)
         {
-            Godot::print("All elements of the Array should be of type String");
+            Godot::print("GDSQLite Error: All elements of the Array should be of type String");
             return query_result;
         }
         query_string += (const String &)p_columns_array[i];