public function testCompareDifferentOrder()
{
$c1 = new Column('Foo');
$c2 = new Column('Bar');
$i1 = new Index('Foo_Bar_Index');
$i1->addColumn($c1);
$i1->addColumn($c2);
$c3 = new Column('Foo');
$c4 = new Column('Bar');
$i2 = new Index('Foo_Bar_Index');
$i2->addColumn($c4);
$i2->addColumn($c3);
$this->assertTrue(IndexComparator::computeDiff($i1, $i2));
}
/**
* Returns the number of differences.
*
* Compare the indices and unique indices of the fromTable and the toTable,
* and modifies the inner tableDiff if necessary.
*
* @param boolean $caseInsensitive
* @return integer
*/
public function compareIndices($caseInsensitive = false)
{
$indexDifferences = 0;
$fromTableIndices = array_merge($this->getFromTable()->getIndices(), $this->getFromTable()->getUnices());
$toTableIndices = array_merge($this->getToTable()->getIndices(), $this->getToTable()->getUnices());
foreach ($fromTableIndices as $fromTableIndexPos => $fromTableIndex) {
foreach ($toTableIndices as $toTableIndexPos => $toTableIndex) {
$sameName = $caseInsensitive ? strtolower($fromTableIndex->getName()) == strtolower($toTableIndex->getName()) : $fromTableIndex->getName() == $toTableIndex->getName();
if ($sameName) {
if (false === IndexComparator::computeDiff($fromTableIndex, $toTableIndex, $caseInsensitive)) {
//no changes
unset($fromTableIndices[$fromTableIndexPos]);
unset($toTableIndices[$toTableIndexPos]);
} else {
// same name, but different columns
$this->tableDiff->addModifiedIndex($fromTableIndex->getName(), $fromTableIndex, $toTableIndex);
unset($fromTableIndices[$fromTableIndexPos]);
unset($toTableIndices[$toTableIndexPos]);
$indexDifferences++;
}
}
}
}
foreach ($fromTableIndices as $fromTableIndex) {
$this->tableDiff->addRemovedIndex($fromTableIndex->getName(), $fromTableIndex);
$indexDifferences++;
}
foreach ($toTableIndices as $toTableIndex) {
$this->tableDiff->addAddedIndex($toTableIndex->getName(), $toTableIndex);
$indexDifferences++;
}
return $indexDifferences;
}