case NOW:
case CURRENT_TIMESTAMP: {
long now = session.getTransactionStart();
ValueTimestamp vt = ValueTimestamp.get(new Timestamp(now));
if (v0 != null) {
Mode mode = database.getMode();
vt = (ValueTimestamp) vt.convertScale(mode.convertOnlyToSmallerScale, v0.getInt());
}
result = vt;
break;
}
case DATABASE:
result = ValueString.get(database.getShortName());
break;
case USER:
case CURRENT_USER:
result = ValueString.get(session.getUser().getName());
break;
case IDENTITY:
result = session.getLastIdentity();
break;
case SCOPE_IDENTITY:
result = session.getScopeIdentity();
break;
case AUTOCOMMIT:
result = ValueBoolean.get(session.getAutoCommit());
break;
case READONLY:
result = ValueBoolean.get(database.isReadOnly());
break;
case DATABASE_PATH: {
String path = database.getDatabasePath();
result = path == null ? (Value) ValueNull.INSTANCE : ValueString.get(path);
break;
}
case LOCK_TIMEOUT:
result = ValueInt.get(session.getLockTimeout());
break;
case CAST:
case CONVERT: {
v0 = v0.convertTo(dataType);
Mode mode = database.getMode();
v0 = v0.convertScale(mode.convertOnlyToSmallerScale, scale);
v0 = v0.convertPrecision(getPrecision(), false);
result = v0;
break;
}