/**
* Method declaration
*
*
* @param c
* @param channel
*
* @return
*
* @throws Exception
*/
private Result processDrop(Tokenizer c,
Channel channel)
{
channel.checkReadWrite();
channel.checkAdmin();
string sToken = c.getstring();
if (sToken.Equals("TABLE"))
{
sToken = c.getstring();
if (sToken.Equals("IF"))
{
sToken = c.getstring(); // EXISTS
sToken = c.getstring(); // <table>
dropTable(sToken, true);
}
else
{
dropTable(sToken, false);
}
channel.commit();
}
else if (sToken.Equals("USER"))
{
aAccess.dropUser(c.getstringToken());
}
else if (sToken.Equals("INDEX"))
{
sToken = c.getstring();
if (!c.wasLongName())
{
throw Trace.error(Trace.UNEXPECTED_TOKEN, sToken);
}
string table = c.getLongNameFirst();
string index = c.getLongNameLast();
Table t = getTable(table, channel);
t.checkDropIndex(index);
Table tn = t.moveDefinition(index);
tn.moveData(t);
dropTable(table);
linkTable(tn);
channel.commit();
}
else
{
throw Trace.error(Trace.UNEXPECTED_TOKEN, sToken);
}
return(new Result());
}