fix unique indexes in CREATE TABLE statements on SQL Anywhere

lib/Doctrine/DBAL/Platforms/SQLAnywherePlatform.php

@@ -1266,14 +1266,10 @@ class SQLAnywherePlatform extends AbstractPlatform
 
         if ( ! empty($options['indexes'])) {
             /** @var \Doctrine\DBAL\Schema\Index $index */
-            foreach ((array) $options['indexes'] as $name => $index) {
-                if ($index->isUnique()) {
-                    $columnListSql .= ', ' . $this->getUniqueConstraintDeclarationSQL($name, $index);
-                } else {
+            foreach ((array) $options['indexes'] as $index) {
                 $indexSql[] = $this->getCreateIndexSQL($index, $tableName);
             }
         }
-        }
 
         if ( ! empty($options['primary'])) {
             $flags = '';

tests/Doctrine/Tests/DBAL/Platforms/SQLAnywherePlatformTest.php

@@ -52,7 +52,8 @@ class SQLAnywherePlatformTest extends AbstractPlatformTestCase
     public function getGenerateTableWithMultiColumnUniqueIndexSql()
     {
         return array(
-            'CREATE TABLE test (foo VARCHAR(255) DEFAULT NULL, bar VARCHAR(255) DEFAULT NULL, CONSTRAINT UNIQ_D87F7E0C8C73652176FF8CAA UNIQUE (foo, bar))',
+            'CREATE TABLE test (foo VARCHAR(255) DEFAULT NULL, bar VARCHAR(255) DEFAULT NULL)',
+            'CREATE UNIQUE INDEX UNIQ_D87F7E0C8C73652176FF8CAA ON test (foo, bar)'
         );
     }