public static function showFieldsInformation($tableName)
{
switch (self::$version) {
case '2005':
return "SELECT fieldName=a.name, \n \t\t\t\t\t\tfieldType=b.name, \n\t\t\t\t\t\tfieldTypeLength=a.length,\n\t\t\t\t\t fieldDefault=isnull(e.text,''), \n\t\t\t\t\t fieldIsnull=case when a.isnullable=1 then 'YES' else 'NO' end, \n\t\t\t\t\t fieldIdentity=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then 'YES' else 'NO' end,\n\t\t\t\t\t fieldPrimary=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in (\n\t\t\t\t\t SELECT name FROM sysindexes WHERE indid in(\n\t\t\t\t\t SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid\n\t\t\t\t\t ))) then 'PRI' else '' end,\n\t\t\t\t\t fieldDesc=isnull(g.[value],'')\n\t\t\t\t\t FROM syscolumns a left join systypes b on a.xtype=b.xusertype inner join sysobjects d on a.id=d.id \n\t\t\t\t\t and d.xtype='U' and d.name='{$tableName}'\n\t\t\t\t\t left join syscomments e on a.cdefault=e.id left join sys.extended_properties g on a.id=G.major_id and a.colid=g.minor_id \n\t\t\t\t\t order by a.id,a.colorder";
break;
case '2000':
return "SELECT fieldName=a.name, \n \t\t\t\t\t\tfieldType=b.name, \n\t\t\t\t\t\tfieldTypeLength=a.length,\n\t\t\t\t\t fieldDefault=isnull(e.text,''), \n\t\t\t\t\t fieldIsnull=case when a.isnullable=1 then 'YES' else 'NO' end, \n\t\t\t\t\t fieldIdentity=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then 'YES' else 'NO' end,\n\t\t\t\t\t fieldPrimary=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and parent_obj=a.id and name in (\n\t\t\t\t\t SELECT name FROM sysindexes WHERE indid in(\n\t\t\t\t\t SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid\n\t\t\t\t\t ))) then 'PRI' else '' end,\n\t\t\t\t\t fieldDesc=isnull(g.[value],'')\n\t\t\t\t\t FROM syscolumns a left join systypes b on a.xtype=b.xusertype inner join sysobjects d on a.id=d.id \n\t\t\t\t\t and d.xtype='U' and d.name='{$tableName}'\n\t\t\t\t\t left join syscomments e on a.cdefault=e.id left join sys.extended_properties g on a.id=g.id and a.colid=g.smallid \n\t\t\t\t\t order by a.id,a.colorder";
break;
default:
showDbMsg('error db version');
}
}
public function halt($msg, $sqlerrno = NULL, $sqlerror = NUll)
{
showDbMsg($msg, $sqlerrno, $sqlerror);
}
