[TYPO3-core] RFC #11917: TCEforms suggest fails with empty label or label_alt field

[Andreas Wolf]

This is an SVN patch request.

Type: Bugfix

Bugtracker references:

http://bugs.typo3.org/view.php?id=11917


Branches:

trunk


Problem:

When the label or label_alt field of the TCA ctrl section of a table is
set, but empty, the default receiver class of TCEforms suggest creates a
SELECT clause like this:

<field> LIKE "bla%" OR LIKE "bla%"

The problem arises because there is no check for empty field names, as
usually the settings label and label_alt should not be defined if there
is no value for them. With some extensions (e.g. tt_news), this is the
case though.


Solution:

Check for empty field names.

The attached patch also fixes a problem with operator precedence in SQL
if more than one field is queried for the query string.


Regards
Andreas
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