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Build an array of field reference information instead of just counting them.

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This commit is contained in:
Michael Stenta 2017-11-22 13:28:35 -05:00
parent a978f7caa1
commit d373726fa0
1 changed files with 33 additions and 5 deletions
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38
modules/farm/farm_constraint/farm_constraint.farm_constraint.inc
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@ -28,7 +28,8 @@ function farm_constraint_farm_constraint($type, $id) {
// Get information about all field instances.
$instances = field_info_field_map();
// Iterate through the instances.
// Iterate through the instances to find references.
$references = array();
foreach ($instances as $field_name => $instance) {
// If the field type is not one of the ones we care about, skip it.
@ -76,12 +77,39 @@ function farm_constraint_farm_constraint($type, $id) {
// Finally, query the table to see if there are any references to this
// entity.
$references = db_query('SELECT COUNT(entity_id) FROM {' . $table . '} WHERE ' . $column . ' = :id AND deleted != 1', array(':id' => $id))->fetchField();
$result = db_query('SELECT entity_type, entity_id FROM {' . $table . '} WHERE ' . $column . ' = :id AND deleted != 1', array(':id' => $id));
// If references were found, a constraint was detected! Return TRUE.
if (!empty($references)) {
return TRUE;
// Iterate through the results and add to the references array.
foreach ($result as $row) {
if (!empty($row)) {
$references[] = array(
'entity_type' => $row->entity_type,
'entity_id' => $row->entity_id,
'field' => $field_name,
'table' => $table,
'column' => $column,
);
}
}
}
// If references were found, a constraint was detected! Return TRUE.
if (!empty($references)) {
return TRUE;
}
}
/**
* Find all field references to an entity.
*
* @param $type
* The entity type.
* @param $id
* The entity id.
*
* @return array
* Returns an array of references to the entity.
*/
function farm_constraint_field_references($type, $id) {
}