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[Bug 924728] Re: PHPDS_query keyField=__auto__ causes primary key headaches

 

I noted just now that passing protected $keyField = ''; solves this
problem by building array normally. Going to leave this bug open until I
document this.

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https://bugs.launchpad.net/bugs/924728

Title:
  PHPDS_query keyField=__auto__ causes primary key headaches

Status in Open Source PHP RAD Framework with UI.:
  In Progress

Bug description:
  By default a query is assumed to make the array key the id of the
  primary key field. This caused problems with other developers before
  as it assumes that the primary field will be unique and auto-
  incremented. I think the logic behind this is very limited and will in
  the future cause other potential bugs. The current bug I am battling
  is this:

  Assuming we dont have an id field and only have to key field,
  something like this:

  CREATE TABLE `pds_core_user_role_permissions` (
    `user_role_id` int(10) NOT NULL DEFAULT '0',
    `menu_id` varchar(32) NOT NULL,
    PRIMARY KEY (`user_role_id`,`menu_id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8;

  Assuming we add values like these,

  INSERT INTO pds_core_user_role_permissions VALUES ('1', '1016054546');
  INSERT INTO pds_core_user_role_permissions VALUES ('1', '1210756465');
  INSERT INTO pds_core_user_role_permissions VALUES ('1', '131201277');
  INSERT INTO pds_core_user_role_permissions VALUES ('1', '1363712008');
  INSERT INTO pds_core_user_role_permissions VALUES ('1', '1405303115');
  INSERT INTO pds_core_user_role_permissions VALUES ('1', '1411278578');
  INSERT INTO pds_core_user_role_permissions VALUES ('1', '1440418834');

  Now the system will only return a single row when queried as __auto__
  assumed incorrectly. It basicly assigned 1 as the key array field
  hence overriding it every time.

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References