listTables method
List the database tables names.
Implementation
@override
Future<List<String>> listTables() async {
var res = await container!.runSQL(r'\d');
if (res == null || res.isEmpty) return <String>[];
var body = res.split(RegExp(r'--+\+--+\+--+\+'))[1];
var parts = body.split(RegExp(r'[\r\n]'));
var names = parts
.where((p) => p.contains(RegExp(r'\s+\|\s+\w+\s+\|')))
.map((p) => p.split(RegExp(r'\s+\|\s+'))[1].trim())
.toList();
return names;
}