public function getDiff($params)
{
// Connect and test accessibility
$this->manager->connect($params);
$this->manager->testResources($params);
// Schema diff
$schemaDiff = [];
if ($params->type !== 'data') {
if ($params->input['kind'] === 'db') {
$dbSchema = new DBSchema($this->manager);
$schemaDiff = $dbSchema->getDiff();
} else {
$tableSchema = new TableSchema($this->manager);
$schemaDiff = $tableSchema->getDiff($params->input['source']['table']);
}
}
// Data diff
$dataDiff = [];
if ($params->type !== 'schema') {
if ($params->input['kind'] === 'db') {
$dbData = new DBData($this->manager);
$dataDiff = $dbData->getDiff();
} else {
$tableData = new TableData($this->manager);
$dataDiff = $tableData->getDiff($params->input['source']['table']);
}
}
return ['schema' => $schemaDiff, 'data' => $dataDiff];
}
function getDiff()
{
$params = ParamsFactory::get();
$diffs = [];
// Collation
$dbName = $this->manager->getDB('target')->getDatabaseName();
$sourceCollation = $this->getDBVariable('source', 'collation_database');
$targetCollation = $this->getDBVariable('target', 'collation_database');
if ($sourceCollation !== $targetCollation) {
$diffs[] = new SetDBCollation($dbName, $sourceCollation, $targetCollation);
}
// Charset
$sourceCharset = $this->getDBVariable('source', 'character_set_database');
$targetCharset = $this->getDBVariable('target', 'character_set_database');
if ($sourceCharset !== $targetCharset) {
$diffs[] = new SetDBCharset($dbName, $sourceCharset, $targetCharset);
}
// Tables
$tableSchema = new TableSchema($this->manager);
$sourceTables = $this->manager->getTables('source');
$targetTables = $this->manager->getTables('target');
if (isset($params->tablesToIgnore)) {
$sourceTables = array_diff($sourceTables, $params->tablesToIgnore);
$targetTables = array_diff($targetTables, $params->tablesToIgnore);
}
$addedTables = array_diff($sourceTables, $targetTables);
foreach ($addedTables as $table) {
$diffs[] = new AddTable($table, $this->manager->getDB('source'));
}
$commonTables = array_intersect($sourceTables, $targetTables);
foreach ($commonTables as $table) {
$tableDiff = $tableSchema->getDiff($table);
$diffs = array_merge($diffs, $tableDiff);
}
$deletedTables = array_diff($targetTables, $sourceTables);
foreach ($deletedTables as $table) {
$diffs[] = new DropTable($table, $this->manager->getDB('target'));
}
return $diffs;
}