typeToString method
convert a column type to a string
Implementation
String? typeToString() {
String? res;
switch (type) {
case DbColumnType.varchar:
res = "varchar";
break;
case DbColumnType.integer:
res = "integer";
break;
case DbColumnType.real:
res = "real";
break;
case DbColumnType.boolean:
res = "boolean";
break;
case DbColumnType.text:
res = "text";
break;
case DbColumnType.timestamp:
res = "timestamp";
break;
case DbColumnType.blob:
res = "blob";
break;
}
return res;
}