select method
Implementation
DBHelper select(dynamic columns) {
if (columns.runtimeType.toString().contains("String")) {
if (!_query.contains("SELECT")) {
_query += "SELECT $columns FROM $table ";
} else {
_query += _query.replaceAll("*", columns);
}
} else if (columns.runtimeType.toString().contains("List<String>")) {
if (!_query.contains("SELECT")) {
_query += "SELECT ${columns.join(",")} FROM $table ";
} else {
_query += _query.replaceAll("*", columns.join(","));
}
}
return this;
}