X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=app%2FDoctrineMigrations%2FVersion20161001072726.php;h=f6930778c391fd42b9ca9e494b92f96d3afb615d;hb=a72f3dc308f2e4386f73e88af41db919ba0acaf3;hp=2e112949c221432909aefbfa4bf3d19d471c770c;hpb=206bade58a279d7f2e34c2dbada10366b90d2d6b;p=github%2Fwallabag%2Fwallabag.git

diff --git a/app/DoctrineMigrations/Version20161001072726.php b/app/DoctrineMigrations/Version20161001072726.php
index 2e112949..f6930778 100644
--- a/app/DoctrineMigrations/Version20161001072726.php
+++ b/app/DoctrineMigrations/Version20161001072726.php
@@ -21,7 +21,7 @@ class Version20161001072726 extends AbstractMigration implements ContainerAwareI
 
     private function getTable($tableName)
     {
-        return $this->container->getParameter('database_table_prefix') . $tableName;
+        return $this->container->getParameter('database_table_prefix').$tableName;
     }
 
     /**
@@ -29,12 +29,88 @@ class Version20161001072726 extends AbstractMigration implements ContainerAwareI
      */
     public function up(Schema $schema)
     {
-        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP FOREIGN KEY FK_F035C9E5BA364942');
-        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP FOREIGN KEY FK_F035C9E5BAD26311');
-        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_F035C9E5BA364942 FOREIGN KEY (entry_id) REFERENCES `entry` (id) ON DELETE CASCADE');
-        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_F035C9E5BAD26311 FOREIGN KEY (tag_id) REFERENCES `tag` (id) ON DELETE CASCADE');
-        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' DROP FOREIGN KEY FK_2E443EF2BA364942');
-        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' ADD CONSTRAINT FK_2E443EF2BA364942 FOREIGN KEY (entry_id) REFERENCES `entry` (id) ON DELETE CASCADE');
+        $this->skipIf($this->connection->getDatabasePlatform()->getName() == 'sqlite', 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
+
+        // remove all FK from entry_tag
+        switch ($this->connection->getDatabasePlatform()->getName()) {
+            case 'mysql':
+                $query = $this->connection->query("
+                    SELECT CONSTRAINT_NAME
+                    FROM information_schema.key_column_usage
+                    WHERE TABLE_NAME = '".$this->getTable('entry_tag')."' AND CONSTRAINT_NAME LIKE 'FK_%'
+                    AND TABLE_SCHEMA = '".$this->connection->getDatabase()."'"
+                );
+                $query->execute();
+
+                foreach ($query->fetchAll() as $fk) {
+                    $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
+                }
+                break;
+
+            case 'postgresql':
+                // http://dba.stackexchange.com/questions/36979/retrieving-all-pk-and-fk
+                $query = $this->connection->query("
+                    SELECT conrelid::regclass AS table_from
+                          ,conname
+                          ,pg_get_constraintdef(c.oid)
+                    FROM   pg_constraint c
+                    JOIN   pg_namespace n ON n.oid = c.connamespace
+                    WHERE  contype = 'f'
+                    AND    conrelid::regclass::text = '".$this->getTable('entry_tag')."'
+                    AND    n.nspname = 'public';"
+                );
+                $query->execute();
+
+                foreach ($query->fetchAll() as $fk) {
+                    $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP CONSTRAINT '.$fk['conname']);
+                }
+                break;
+        }
+
+        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_entry_tag_entry FOREIGN KEY (entry_id) REFERENCES '.$this->getTable('entry').' (id) ON DELETE CASCADE');
+        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_entry_tag_tag FOREIGN KEY (tag_id) REFERENCES '.$this->getTable('tag').' (id) ON DELETE CASCADE');
+
+        // remove entry FK from annotation
+
+        switch ($this->connection->getDatabasePlatform()->getName()) {
+            case 'mysql':
+                $query = $this->connection->query("
+                    SELECT CONSTRAINT_NAME
+                    FROM information_schema.key_column_usage
+                    WHERE TABLE_NAME = '".$this->getTable('annotation')."'
+                    AND CONSTRAINT_NAME LIKE 'FK_%'
+                    AND COLUMN_NAME = 'entry_id'
+                    AND TABLE_SCHEMA = '".$this->connection->getDatabase()."'"
+                );
+                $query->execute();
+
+                foreach ($query->fetchAll() as $fk) {
+                    $this->addSql('ALTER TABLE '.$this->getTable('annotation').' DROP FOREIGN KEY '.$fk['CONSTRAINT_NAME']);
+                }
+                break;
+
+            case 'postgresql':
+                // http://dba.stackexchange.com/questions/36979/retrieving-all-pk-and-fk
+                $query = $this->connection->query("
+                    SELECT conrelid::regclass AS table_from
+                          ,conname
+                          ,pg_get_constraintdef(c.oid)
+                    FROM   pg_constraint c
+                    JOIN   pg_namespace n ON n.oid = c.connamespace
+                    WHERE  contype = 'f'
+                    AND    conrelid::regclass::text = '".$this->getTable('annotation')."'
+                    AND    n.nspname = 'public'
+                    AND    pg_get_constraintdef(c.oid) LIKE '%entry_id%';"
+                );
+                $query->execute();
+
+                foreach ($query->fetchAll() as $fk) {
+                    $this->addSql('ALTER TABLE '.$this->getTable('annotation').' DROP CONSTRAINT '.$fk['conname']);
+                }
+                break;
+        }
+
+        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' ADD CONSTRAINT FK_annotation_entry FOREIGN KEY (entry_id) REFERENCES '.$this->getTable('entry').' (id) ON DELETE CASCADE');
     }
 
     /**
@@ -42,13 +118,6 @@ class Version20161001072726 extends AbstractMigration implements ContainerAwareI
      */
     public function down(Schema $schema)
     {
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() == 'sqlite', 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
-
-        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' DROP FOREIGN KEY FK_2E443EF2BA364942');
-        $this->addSql('ALTER TABLE '.$this->getTable('annotation').' ADD CONSTRAINT FK_2E443EF2BA364942 FOREIGN KEY (entry_id) REFERENCES entry (id)');
-        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP FOREIGN KEY FK_F035C9E5BA364942');
-        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' DROP FOREIGN KEY FK_F035C9E5BAD26311');
-        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_F035C9E5BA364942 FOREIGN KEY (entry_id) REFERENCES entry (id)');
-        $this->addSql('ALTER TABLE '.$this->getTable('entry_tag').' ADD CONSTRAINT FK_F035C9E5BAD26311 FOREIGN KEY (tag_id) REFERENCES tag (id)');
+        throw new SkipMigrationException('Too complex ...');
     }
 }