public QueryTree Reorder()
{
QueryTree PostProcess = new QueryTree();
while (currentToken < Subject.QueryTokens.Count && Peak.Type != TokenType.SemiColon)
{
if (Parsers.ContainsKey(Subject.QueryTokens[currentToken].Type))
{
PostProcess.Root = Parsers[Subject.QueryTokens[currentToken].Type]();
}
}
return(PostProcess);
}
public QueryExecutioner(QueryTree Q_Entry, Database DB, TouchTable t)
{
Touch = t;
Query = Q_Entry;
database = DB;
Execs = new Dictionary <TokenType, Executive>()
{
{ TokenType.SELECT_cmd, Select },
{ TokenType.INSERT_cmd, Insert },
{ TokenType.UPDATE_cmd, Update },
{ TokenType.DELETE_cmd, Delete },
{ TokenType.CREATE_cmd, Create },
{ TokenType.ALTER_cmd, Alter }
};
Joiners = new Dictionary <TokenType, Executive>()
{
{ TokenType.INNER_KW, InnerJoin },
{ TokenType.OUTER_KW, OuterJoin },
{ TokenType.LEFT_KW, LeftJoin },
{ TokenType.RIGHT_KW, RightJoin },
};
Alters = new Dictionary <TokenType, Executive>()
{
{ TokenType.ADD_KW, AlterAdd },
{ TokenType.DROP_cmd, AlterDrop },
{ TokenType.ALTER_cmd, AlterModify },
{ TokenType.RENAME_cmd, AltereName }
};
Conditionals = new Dictionary <TokenType, Executive>()
{
{ TokenType.WHERE_KW, Where }
};
}