2008. május 17., szombat

How to connect to a mySQL database


Problem/Question/Abstract:

How to connect to a mySQL database

Answer:

Perhaps you have already seen the uses clause. You may download mySQL.pas from www.fichtner.net/delphi

uses mySQL;

procedure Connect;
var
  myServer: PMysql;
  Tables: PMYSQL_RES;
  TableRows: my_ulonglong;
  Table: PMYSQL_ROW;
begin
  myServer := mysql_init(nil);
  if myServer <> nil then
  begin
    if mysql_options(myServer, MYSQL_OPT_CONNECT_TIMEOUT, '30') = 0 then
    begin
      if mysql_real_connect(myServer, 'host', 'user', 'password', 'database', 3306,
        nil, CLIENT_COMPRESS) <> nil then
      begin
        Tables := mysql_list_tables(myServer, nil);
        if Tables <> nil then
        begin
          TableRows := mysql_num_rows(Tables);
          while TableRows > 0 do
          begin
            Table := mysql_fetch_row(Tables);
            Tabelle := Table[0];
            Dec(TableRows);
          end;
        end;
      end;
    end;
  end;
end;

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