/**
* Returns the number of differences.
*
* Compare the foreign keys of the fromTable and the toTable,
* and modifies the inner tableDiff if necessary.
*
* @param boolean $caseInsensitive
* @return integer
*/
public function compareForeignKeys($caseInsensitive = false)
{
$fkDifferences = 0;
$fromTableFks = $this->getFromTable()->getForeignKeys();
$toTableFks = $this->getToTable()->getForeignKeys();
foreach ($fromTableFks as $fromTableFkPos => $fromTableFk) {
foreach ($toTableFks as $toTableFkPos => $toTableFk) {
$sameName = $caseInsensitive ? strtolower($fromTableFk->getName()) == strtolower($toTableFk->getName()) : $fromTableFk->getName() == $toTableFk->getName();
if ($sameName && !$toTableFk->isPolymorphic()) {
if (false === ForeignKeyComparator::computeDiff($fromTableFk, $toTableFk, $caseInsensitive)) {
unset($fromTableFks[$fromTableFkPos]);
unset($toTableFks[$toTableFkPos]);
} else {
// same name, but different columns
$this->tableDiff->addModifiedFk($fromTableFk->getName(), $fromTableFk, $toTableFk);
unset($fromTableFks[$fromTableFkPos]);
unset($toTableFks[$toTableFkPos]);
$fkDifferences++;
}
}
}
}
foreach ($fromTableFks as $fromTableFk) {
if (!$fromTableFk->isSkipSql() && !$fromTableFk->isPolymorphic() && !in_array($fromTableFk, $toTableFks)) {
$this->tableDiff->addRemovedFk($fromTableFk->getName(), $fromTableFk);
$fkDifferences++;
}
}
foreach ($toTableFks as $toTableFk) {
if (!$toTableFk->isSkipSql() && !$toTableFk->isPolymorphic() && !in_array($toTableFk, $fromTableFks)) {
$this->tableDiff->addAddedFk($toTableFk->getName(), $toTableFk);
$fkDifferences++;
}
}
return $fkDifferences;
}
public function testToString()
{
$tableA = new Table('A');
$tableB = new Table('B');
$diff = new TableDiff($tableA, $tableB);
$diff->addAddedColumn('id', new Column('id', 'integer'));
$diff->addRemovedColumn('category_id', new Column('category_id', 'integer'));
$colFoo = new Column('foo', 'integer');
$colBar = new Column('bar', 'integer');
$tableA->addColumn($colFoo);
$tableA->addColumn($colBar);
$diff->addRenamedColumn($colFoo, $colBar);
$columnDiff = new ColumnDiff($colFoo, $colBar);
$diff->addModifiedColumn('foo', $columnDiff);
$fk = new ForeignKey('category');
$fk->setTable($tableA);
$fk->setForeignTableCommonName('B');
$fk->addReference('category_id', 'id');
$fkChanged = clone $fk;
$fkChanged->setForeignTableCommonName('C');
$fkChanged->addReference('bla', 'id2');
$fkChanged->setOnDelete('cascade');
$fkChanged->setOnUpdate('cascade');
$diff->addAddedFk('category', $fk);
$diff->addModifiedFk('category', $fk, $fkChanged);
$diff->addRemovedFk('category', $fk);
$index = new Index('test_index');
$index->setTable($tableA);
$index->setColumns([$colFoo]);
$indexChanged = clone $index;
$indexChanged->setColumns([$colBar]);
$diff->addAddedIndex('test_index', $index);
$diff->addModifiedIndex('test_index', $index, $indexChanged);
$diff->addRemovedIndex('test_index', $index);
$string = (string) $diff;
$expected = ' A:
addedColumns:
- id
removedColumns:
- category_id
modifiedColumns:
A.FOO:
modifiedProperties:
renamedColumns:
foo: bar
addedIndices:
- test_index
removedIndices:
- test_index
modifiedIndices:
- test_index
addedFks:
- category
removedFks:
- category
modifiedFks:
category:
localColumns: from ["category_id"] to ["category_id","bla"]
foreignColumns: from ["id"] to ["id","id2"]
onUpdate: from to CASCADE
onDelete: from to CASCADE
';
$this->assertEquals($expected, $string);
}
