DDC-562 - Finally able to generate Unique Constraint on @OneToOne foreign keys

lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php

@@ -774,7 +774,11 @@ class ClassMetadataInfo
                     'referencedColumnName' => 'id'
                 ));
             }
-            foreach ($mapping['joinColumns'] as $joinColumn) {
+            foreach ($mapping['joinColumns'] AS $key => $joinColumn) {
+                if ($mapping['type'] == self::ONE_TO_ONE) {
+                    $mapping['joinColumns'][$key]['unique'] = true;
+                }
+
                 $mapping['sourceToTargetKeyColumns'][$joinColumn['name']] = $joinColumn['referencedColumnName'];
                 $mapping['joinColumnFieldNames'][$joinColumn['name']] = isset($joinColumn['fieldName'])
                         ? $joinColumn['fieldName'] : $joinColumn['name'];

lib/Doctrine/ORM/Tools/SchemaTool.php

@@ -361,9 +361,13 @@ class SchemaTool
             $foreignClass = $this->_em->getClassMetadata($mapping['targetEntity']);
 
             if ($mapping['type'] & ClassMetadata::TO_ONE && $mapping['isOwningSide']) {
-                $primaryKeyColumns = $uniqueConstraints = array(); // unnecessary for this relation-type
+                $primaryKeyColumns = $uniqueConstraints = array(); // PK is unnecessary for this relation-type
 
                 $this->_gatherRelationJoinColumns($mapping['joinColumns'], $table, $foreignClass, $mapping, $primaryKeyColumns, $uniqueConstraints);
+
+                foreach($uniqueConstraints AS $indexName => $unique) {
+                    $table->addUniqueIndex($unique['columns'], is_numeric($indexName) ? null : $indexName);
+                }
             } else if ($mapping['type'] == ClassMetadata::ONE_TO_MANY && $mapping['isOwningSide']) {
                 //... create join table, one-many through join table supported later
                 throw ORMException::notSupported();
@@ -381,13 +385,11 @@ class SchemaTool
                 // Build second FK constraint (relation table => target table)
                 $this->_gatherRelationJoinColumns($joinTable['inverseJoinColumns'], $theJoinTable, $foreignClass, $mapping, $primaryKeyColumns, $uniqueConstraints);
 
-                foreach($uniqueConstraints AS $indexName => $unique) {
-                    $theJoinTable->addUniqueIndex(
-                        $unique['columns'], is_numeric($indexName) ? null : $indexName
-                    );
-                }
-
                 $theJoinTable->setPrimaryKey($primaryKeyColumns);
+
+                foreach($uniqueConstraints AS $indexName => $unique) {
+                    $theJoinTable->addUniqueIndex($unique['columns'], is_numeric($indexName) ? null : $indexName);
+                }
             }
         }
     }

tests/Doctrine/Tests/ORM/Functional/BasicFunctionalTest.php

@@ -705,6 +705,10 @@ class BasicFunctionalTest extends \Doctrine\Tests\OrmFunctionalTestCase
         $this->_em->flush();
         $this->assertEquals(1, $this->_em->getConnection()->fetchColumn("select count(*) from cms_addresses"));
 
+        // remove $address to free up unique key id
+        $this->_em->remove($address);
+        $this->_em->flush();
+
         $newAddress = new CmsAddress();
         $newAddress->city = "NewBonn";
         $newAddress->zip = "12354";

tests/Doctrine/Tests/ORM/Functional/SchemaTool/MySqlSchemaToolTest.php

@@ -26,8 +26,7 @@ class MySqlSchemaToolTest extends \Doctrine\Tests\OrmFunctionalTestCase
 
         $tool = new SchemaTool($this->_em);
         $sql = $tool->getCreateSchemaSql($classes);
-        $this->assertEquals(8, count($sql));
+        $this->assertEquals("CREATE TABLE cms_addresses (id INT AUTO_INCREMENT NOT NULL, user_id INT DEFAULT NULL, country VARCHAR(50) NOT NULL, zip VARCHAR(50) NOT NULL, city VARCHAR(50) NOT NULL, UNIQUE INDEX cms_addresses_user_id_uniq (user_id), PRIMARY KEY(id)) ENGINE = InnoDB", $sql[0]);
-        $this->assertEquals("CREATE TABLE cms_addresses (id INT AUTO_INCREMENT NOT NULL, user_id INT DEFAULT NULL, country VARCHAR(50) NOT NULL, zip VARCHAR(50) NOT NULL, city VARCHAR(50) NOT NULL, PRIMARY KEY(id)) ENGINE = InnoDB", $sql[0]);
         $this->assertEquals("CREATE TABLE cms_users (id INT AUTO_INCREMENT NOT NULL, status VARCHAR(50) NOT NULL, username VARCHAR(255) NOT NULL, name VARCHAR(255) NOT NULL, UNIQUE INDEX cms_users_username_uniq (username), PRIMARY KEY(id)) ENGINE = InnoDB", $sql[1]);
         $this->assertEquals("CREATE TABLE cms_users_groups (user_id INT NOT NULL, group_id INT NOT NULL, PRIMARY KEY(user_id, group_id)) ENGINE = InnoDB", $sql[2]);
         $this->assertEquals("CREATE TABLE cms_phonenumbers (phonenumber VARCHAR(50) NOT NULL, user_id INT DEFAULT NULL, PRIMARY KEY(phonenumber)) ENGINE = InnoDB", $sql[3]);
@@ -35,6 +34,8 @@ class MySqlSchemaToolTest extends \Doctrine\Tests\OrmFunctionalTestCase
         $this->assertEquals("ALTER TABLE cms_users_groups ADD FOREIGN KEY (user_id) REFERENCES cms_users(id)", $sql[5]);
         $this->assertEquals("ALTER TABLE cms_users_groups ADD FOREIGN KEY (group_id) REFERENCES cms_groups(id)", $sql[6]);
         $this->assertEquals("ALTER TABLE cms_phonenumbers ADD FOREIGN KEY (user_id) REFERENCES cms_users(id)", $sql[7]);
+        
+        $this->assertEquals(8, count($sql));
     }
     
     public function testGetCreateSchemaSql2()

tests/Doctrine/Tests/ORM/Functional/SchemaTool/PostgreSqlSchemaToolTest.php

@@ -32,19 +32,21 @@ class PostgreSqlSchemaToolTest extends \Doctrine\Tests\OrmFunctionalTestCase
 
         $tool = new SchemaTool($this->_em);
         $sql = $tool->getCreateSchemaSql($classes);
-        $this->assertEquals(count($sql), 11);
         
         $this->assertEquals("CREATE TABLE cms_addresses (id INT NOT NULL, user_id INT DEFAULT NULL, country VARCHAR(50) NOT NULL, zip VARCHAR(50) NOT NULL, city VARCHAR(50) NOT NULL, PRIMARY KEY(id))", $sql[0]);
-        $this->assertEquals("CREATE TABLE cms_users (id INT NOT NULL, status VARCHAR(50) NOT NULL, username VARCHAR(255) NOT NULL, name VARCHAR(255) NOT NULL, PRIMARY KEY(id))", $sql[1]);
+        $this->assertEquals("CREATE UNIQUE INDEX cms_addresses_user_id_uniq ON cms_addresses (user_id)", $sql[1]);
-        $this->assertEquals("CREATE UNIQUE INDEX cms_users_username_uniq ON cms_users (username)", $sql[2]);
+        $this->assertEquals("CREATE TABLE cms_users (id INT NOT NULL, status VARCHAR(50) NOT NULL, username VARCHAR(255) NOT NULL, name VARCHAR(255) NOT NULL, PRIMARY KEY(id))", $sql[2]);
-        $this->assertEquals("CREATE TABLE cms_users_groups (user_id INT NOT NULL, group_id INT NOT NULL, PRIMARY KEY(user_id, group_id))", $sql[3]);
+        $this->assertEquals("CREATE UNIQUE INDEX cms_users_username_uniq ON cms_users (username)", $sql[3]);
-        $this->assertEquals("CREATE TABLE cms_phonenumbers (phonenumber VARCHAR(50) NOT NULL, user_id INT DEFAULT NULL, PRIMARY KEY(phonenumber))", $sql[4]);
+        $this->assertEquals("CREATE TABLE cms_users_groups (user_id INT NOT NULL, group_id INT NOT NULL, PRIMARY KEY(user_id, group_id))", $sql[4]);
-        $this->assertEquals("CREATE SEQUENCE cms_addresses_id_seq INCREMENT BY 10 MINVALUE 1 START 1", $sql[5]);
+        $this->assertEquals("CREATE TABLE cms_phonenumbers (phonenumber VARCHAR(50) NOT NULL, user_id INT DEFAULT NULL, PRIMARY KEY(phonenumber))", $sql[5]);
-        $this->assertEquals("CREATE SEQUENCE cms_users_id_seq INCREMENT BY 10 MINVALUE 1 START 1", $sql[6]);
+        $this->assertEquals("CREATE SEQUENCE cms_addresses_id_seq INCREMENT BY 10 MINVALUE 1 START 1", $sql[6]);
-        $this->assertEquals("ALTER TABLE cms_addresses ADD FOREIGN KEY (user_id) REFERENCES cms_users(id) NOT DEFERRABLE INITIALLY IMMEDIATE", $sql[7]);
+        $this->assertEquals("CREATE SEQUENCE cms_users_id_seq INCREMENT BY 10 MINVALUE 1 START 1", $sql[7]);
-        $this->assertEquals("ALTER TABLE cms_users_groups ADD FOREIGN KEY (user_id) REFERENCES cms_users(id) NOT DEFERRABLE INITIALLY IMMEDIATE", $sql[8]);
+        $this->assertEquals("ALTER TABLE cms_addresses ADD FOREIGN KEY (user_id) REFERENCES cms_users(id) NOT DEFERRABLE INITIALLY IMMEDIATE", $sql[8]);
-        $this->assertEquals("ALTER TABLE cms_users_groups ADD FOREIGN KEY (group_id) REFERENCES cms_groups(id) NOT DEFERRABLE INITIALLY IMMEDIATE", $sql[9]);
+        $this->assertEquals("ALTER TABLE cms_users_groups ADD FOREIGN KEY (user_id) REFERENCES cms_users(id) NOT DEFERRABLE INITIALLY IMMEDIATE", $sql[9]);
-        $this->assertEquals("ALTER TABLE cms_phonenumbers ADD FOREIGN KEY (user_id) REFERENCES cms_users(id) NOT DEFERRABLE INITIALLY IMMEDIATE", $sql[10]);
+        $this->assertEquals("ALTER TABLE cms_users_groups ADD FOREIGN KEY (group_id) REFERENCES cms_groups(id) NOT DEFERRABLE INITIALLY IMMEDIATE", $sql[10]);
+        $this->assertEquals("ALTER TABLE cms_phonenumbers ADD FOREIGN KEY (user_id) REFERENCES cms_users(id) NOT DEFERRABLE INITIALLY IMMEDIATE", $sql[11]);
+        
+        $this->assertEquals(count($sql), 12);
     }
     
     public function testGetCreateSchemaSql2()