pandemonium_demo_projects/database/database_simple/Main.gd

89 lines
2.7 KiB
GDScript

extends Node
export(String) var database_location : String = "user://database.sqlite"
func _ready() -> void:
DatabaseManager.connect("initialized", self, "on_databases_initialized", [], CONNECT_ONESHOT)
var d : Directory = Directory.new()
var bd : String = database_location.get_base_dir()
var loc : String = d.get_filesystem_abspath_for(bd).append_path(database_location.get_file())
PLogger.log_message("Database file location: " + loc)
PLogger.log_message("(Editor->Project->Open User Data Folder)")
var file : File = File.new()
if !file.file_exists(loc):
PLogger.log_message("Database file doesn't exists, will run migrations!")
PLogger.log_message("(Editor->Project->Open User Data Folder)")
call_deferred("migrate")
else:
DatabaseManager.call_deferred("initialized")
var db : SQLite3Database = SQLite3Database.new()
db.connection_string = loc
DatabaseManager.add_database(db)
func migrate() -> void:
PLogger.log_message("Running migrations!")
DatabaseManager.connect("migration", self, "_migration")
DatabaseManager.migrate(true, false, 0)
DatabaseManager.call_deferred("initialized")
func on_databases_initialized() -> void:
# Load sessions after the databases are initialized
# This happens on the Main node.
call_deferred("load_data")
func _migration(clear: bool, should_seed: bool, pseed: int) -> void:
randomize()
var tb : TableBuilder = DatabaseManager.ddb.get_connection().get_table_builder()
tb.create_table("data_table");
tb.integer("id").auto_increment().next_row();
tb.varchar("data_varchar", 60).not_null().next_row();
tb.text("data_text").not_null().next_row();
tb.integer("data_int").not_null().next_row();
tb.real_double("data_double").not_null().next_row();
tb.primary_key("id");
tb.ccreate_table();
tb.run_query();
print("Running:")
print(tb.result)
var qb : QueryBuilder = DatabaseManager.ddb.get_connection().get_query_builder()
for i in range(10):
qb.reset()
qb.insert("data_table", "data_varchar,data_text,data_int,data_double").values()
qb.vals("vc" + str(randi()))
qb.vals("text" + str(randi()))
qb.vali(randi())
qb.vald(randf() * 100000)
qb.cvalues()
qb.end_command()
qb.run_query()
print("Running:")
print(qb.result)
func load_data() -> void:
print("Querying data from table:")
var qb : QueryBuilder = DatabaseManager.ddb.get_connection().get_query_builder()
var qr : QueryResult = qb.select("id,data_varchar,data_text,data_int,data_double").from("data_table").run()
while qr.next_row():
print("ROW:")
print("id: " + str(qr.get_cell_int(0)))
print("data_varchar: " + str(qr.get_cell(1)))
print("data_text: " + str(qr.get_cell(2)))
print("data_int: " + str(qr.get_cell_int(3)))
print("data_double: " + str(qr.get_cell_double(4)))