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Bug #75145

open

selectTree with MM table does not work without MM_opposite_field

Added by Robert Vock over 8 years ago.

Status:
New
Priority:
Should have
Assignee:
-
Category:
FormEngine aka TCEforms
Target version:
-
Start date:
2016-03-16
Due date:
% Done:

0%

Estimated time:
TYPO3 Version:
7
PHP Version:
Tags:
Complexity:
Is Regression:
No
Sprint Focus:

Description

When using TCA for a select and using the renderType='selectTree' it's not possible to edit fields, which have no configuration for MM_opposite_field.

A simple example is the categories field for pages and tt_content. If you unset the MM_opposite_field, it's not possible to edit the categories of pages and tt_content.

It's a strange bug in TYPO3\CMS\Core\Database\RelationHandler. I am not quite sure, but I believe the bug exists in the readMM-method. When you change the MM_match_fields to tablename instead of tablenames, it works again:

Works:

config
    type = select
    renderType = selectTree
    foreign_table = tx_example_related_data
    maxitems = 9999
    MM = tx_example_mm
    MM_match_fields
        fieldname = field1
        tablename = tx_example_product
    size = 10
    treeConfig
    parentField = parent

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