fix generating COMMENT ON COLUMN statements for quoted identifiers

lib/Doctrine/DBAL/Platforms/AbstractPlatform.php

@@ -1594,9 +1594,12 @@ abstract class AbstractPlatform
      */
     public function getCommentOnColumnSQL($tableName, $columnName, $comment)
     {
+        $tableName = new Identifier($tableName);
+        $columnName = new Identifier($columnName);
         $comment = $this->quoteStringLiteral($comment);
 
-        return "COMMENT ON COLUMN " . $tableName . "." . $columnName . " IS " . $comment;
+        return "COMMENT ON COLUMN " . $tableName->getQuotedName($this) . "." . $columnName->getQuotedName($this) .
+            " IS " . $comment;
     }
 
     /**

lib/Doctrine/DBAL/Platforms/OraclePlatform.php

@@ -697,7 +697,11 @@ LEFT JOIN user_cons_columns r_cols
 
             $fields[] = $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
             if ($comment = $this->getColumnComment($column)) {
-                $commentsSQL[] = $this->getCommentOnColumnSQL($diff->name, $column->getName(), $comment);
+                $commentsSQL[] = $this->getCommentOnColumnSQL(
+                    $diff->getName($this)->getQuotedName($this),
+                    $column->getQuotedName($this),
+                    $comment
+                );
             }
         }
 
@@ -741,8 +745,8 @@ LEFT JOIN user_cons_columns r_cols
 
             if ($columnHasChangedComment) {
                 $commentsSQL[] = $this->getCommentOnColumnSQL(
-                    $diff->name,
-                    $column->getName(),
+                    $diff->getName($this)->getQuotedName($this),
+                    $column->getQuotedName($this),
                     $this->getColumnComment($column)
                 );
             }

lib/Doctrine/DBAL/Platforms/PostgreSqlPlatform.php

@@ -458,7 +458,11 @@ class PostgreSqlPlatform extends AbstractPlatform
             $comment = $this->getColumnComment($column);
 
             if (null !== $comment && '' !== $comment) {
-                $commentsSQL[] = $this->getCommentOnColumnSQL($diff->name, $column->getName(), $comment);
+                $commentsSQL[] = $this->getCommentOnColumnSQL(
+                    $diff->getName($this)->getQuotedName($this),
+                    $column->getQuotedName($this),
+                    $comment
+                );
             }
         }
 
@@ -523,8 +527,8 @@ class PostgreSqlPlatform extends AbstractPlatform
 
             if ($columnDiff->hasChanged('comment')) {
                 $commentsSQL[] = $this->getCommentOnColumnSQL(
-                    $diff->name,
-                    $column->getName(),
+                    $diff->getName($this)->getQuotedName($this),
+                    $column->getQuotedName($this),
                     $this->getColumnComment($column)
                 );
             }
@@ -624,9 +628,12 @@ class PostgreSqlPlatform extends AbstractPlatform
      */
     public function getCommentOnColumnSQL($tableName, $columnName, $comment)
     {
+        $tableName = new Identifier($tableName);
+        $columnName = new Identifier($columnName);
         $comment = $comment === null ? 'NULL' : $this->quoteStringLiteral($comment);
 
-        return "COMMENT ON COLUMN $tableName.$columnName IS $comment";
+        return "COMMENT ON COLUMN " . $tableName->getQuotedName($this) . "." . $columnName->getQuotedName($this) .
+            " IS $comment";
     }
 
     /**

lib/Doctrine/DBAL/Platforms/SQLAnywherePlatform.php

@@ -144,7 +144,11 @@ class SQLAnywherePlatform extends AbstractPlatform
             $comment = $this->getColumnComment($column);
 
             if (null !== $comment && '' !== $comment) {
-                $commentsSQL[] = $this->getCommentOnColumnSQL($diff->name, $column->getQuotedName($this), $comment);
+                $commentsSQL[] = $this->getCommentOnColumnSQL(
+                    $diff->getName($this)->getQuotedName($this),
+                    $column->getQuotedName($this),
+                    $comment
+                );
             }
         }
 
@@ -173,7 +177,7 @@ class SQLAnywherePlatform extends AbstractPlatform
                 $column = $columnDiff->column;
 
                 $commentsSQL[] = $this->getCommentOnColumnSQL(
-                    $diff->name,
+                    $diff->getName($this)->getQuotedName($this),
                     $column->getQuotedName($this),
                     $this->getColumnComment($column)
                 );
@@ -363,9 +367,12 @@ class SQLAnywherePlatform extends AbstractPlatform
      */
     public function getCommentOnColumnSQL($tableName, $columnName, $comment)
     {
+        $tableName = new Identifier($tableName);
+        $columnName = new Identifier($columnName);
         $comment = $comment === null ? 'NULL' : $this->quoteStringLiteral($comment);
 
-        return "COMMENT ON COLUMN $tableName.$columnName IS $comment";
+        return "COMMENT ON COLUMN " . $tableName->getQuotedName($this) . '.' . $columnName->getQuotedName($this) .
+            " IS $comment";
     }
 
     /**

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

@@ -629,4 +629,16 @@ abstract class AbstractMySQLPlatformTestCase extends AbstractPlatformTestCase
             'ALTER TABLE `table` ADD CONSTRAINT fk2 FOREIGN KEY (fk2) REFERENCES fk_table2 (id)',
         );
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommentOnColumnSQL()
+    {
+        return array(
+            "COMMENT ON COLUMN foo.bar IS 'comment'",
+            "COMMENT ON COLUMN `Foo`.`BAR` IS 'comment'",
+            "COMMENT ON COLUMN `select`.`from` IS 'comment'",
+        );
+    }
 }

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

@@ -916,6 +916,28 @@ abstract class AbstractPlatformTestCase extends \Doctrine\Tests\DbalTestCase
         );
     }
 
+    /**
+     * @return array
+     *
+     * @see testGetCommentOnColumnSQL
+     */
+    abstract protected function getCommentOnColumnSQL();
+
+    /**
+     * @group DBAL-1004
+     */
+    public function testGetCommentOnColumnSQL()
+    {
+        $this->assertSame(
+            $this->getCommentOnColumnSQL(),
+            array(
+                $this->_platform->getCommentOnColumnSQL('foo', 'bar', 'comment'), // regular identifiers
+                $this->_platform->getCommentOnColumnSQL('`Foo`', '`BAR`', 'comment'), // explicitly quoted identifiers
+                $this->_platform->getCommentOnColumnSQL('select', 'from', 'comment'), // reserved keyword identifiers
+            )
+        );
+    }
+
     protected function getQuotedStringLiteralWithoutQuoteCharacter()
     {
         return "'No quote'";

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

@@ -2,9 +2,11 @@
 
 namespace Doctrine\Tests\DBAL\Platforms;
 
+use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\Comparator;
 use Doctrine\DBAL\Schema\Table;
 use Doctrine\DBAL\Schema\TableDiff;
+use Doctrine\DBAL\Types\Type;
 
 abstract class AbstractPostgreSqlPlatformTestCase extends AbstractPlatformTestCase
 {
@@ -702,4 +704,37 @@ abstract class AbstractPostgreSqlPlatformTestCase extends AbstractPlatformTestCa
             'INITIALLY IMMEDIATE',
         );
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommentOnColumnSQL()
+    {
+        return array(
+            'COMMENT ON COLUMN foo.bar IS \'comment\'',
+            'COMMENT ON COLUMN "Foo"."BAR" IS \'comment\'',
+            'COMMENT ON COLUMN "select"."from" IS \'comment\'',
+        );
+    }
+
+    /**
+     * @group DBAL-1004
+     */
+    public function testAltersTableColumnCommentWithExplicitlyQuotedIdentifiers()
+    {
+        $table1 = new Table('"foo"', array(new Column('"bar"', Type::getType('integer'))));
+        $table2 = new Table('"foo"', array(new Column('"bar"', Type::getType('integer'), array('comment' => 'baz'))));
+
+        $comparator = new Comparator();
+
+        $tableDiff = $comparator->diffTable($table1, $table2);
+
+        $this->assertInstanceOf('Doctrine\DBAL\Schema\TableDiff', $tableDiff);
+        $this->assertSame(
+            array(
+                'COMMENT ON COLUMN "foo"."bar" IS \'baz\'',
+            ),
+            $this->_platform->getAlterTableSQL($tableDiff)
+        );
+    }
 }

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

@@ -1159,4 +1159,16 @@ abstract class AbstractSQLServerPlatformTestCase extends AbstractPlatformTestCas
             'ALTER TABLE [table] ADD CONSTRAINT fk2 FOREIGN KEY (fk2) REFERENCES fk_table2 (id)',
         );
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommentOnColumnSQL()
+    {
+        return array(
+            "COMMENT ON COLUMN foo.bar IS 'comment'",
+            "COMMENT ON COLUMN [Foo].[BAR] IS 'comment'",
+            "COMMENT ON COLUMN [select].[from] IS 'comment'",
+        );
+    }
 }

tests/Doctrine/Tests/DBAL/Platforms/DB2PlatformTest.php

@@ -498,4 +498,16 @@ class DB2PlatformTest extends AbstractPlatformTestCase
             'ALTER TABLE "table" ADD CONSTRAINT fk2 FOREIGN KEY (fk2) REFERENCES fk_table2 (id)',
         );
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommentOnColumnSQL()
+    {
+        return array(
+            'COMMENT ON COLUMN foo.bar IS \'comment\'',
+            'COMMENT ON COLUMN "Foo"."BAR" IS \'comment\'',
+            'COMMENT ON COLUMN "select"."from" IS \'comment\'',
+        );
+    }
 }

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

@@ -3,8 +3,10 @@
 namespace Doctrine\Tests\DBAL\Platforms;
 
 use Doctrine\DBAL\Platforms\OraclePlatform;
+use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\Comparator;
 use Doctrine\DBAL\Schema\Table;
+use Doctrine\DBAL\Types\Type;
 
 require_once __DIR__ . '/../../TestInit.php';
 
@@ -567,4 +569,37 @@ class OraclePlatformTest extends AbstractPlatformTestCase
             'ALTER TABLE "table" ADD CONSTRAINT fk2 FOREIGN KEY (fk2) REFERENCES fk_table2 (id)',
         );
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommentOnColumnSQL()
+    {
+        return array(
+            'COMMENT ON COLUMN foo.bar IS \'comment\'',
+            'COMMENT ON COLUMN "Foo"."BAR" IS \'comment\'',
+            'COMMENT ON COLUMN "select"."from" IS \'comment\'',
+        );
+    }
+
+    /**
+     * @group DBAL-1004
+     */
+    public function testAltersTableColumnCommentWithExplicitlyQuotedIdentifiers()
+    {
+        $table1 = new Table('"foo"', array(new Column('"bar"', Type::getType('integer'))));
+        $table2 = new Table('"foo"', array(new Column('"bar"', Type::getType('integer'), array('comment' => 'baz'))));
+
+        $comparator = new Comparator();
+
+        $tableDiff = $comparator->diffTable($table1, $table2);
+
+        $this->assertInstanceOf('Doctrine\DBAL\Schema\TableDiff', $tableDiff);
+        $this->assertSame(
+            array(
+                'COMMENT ON COLUMN "foo"."bar" IS \'baz\'',
+            ),
+            $this->_platform->getAlterTableSQL($tableDiff)
+        );
+    }
 }

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

@@ -8,6 +8,7 @@ use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Platforms\SQLAnywherePlatform;
 use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\ColumnDiff;
+use Doctrine\DBAL\Schema\Comparator;
 use Doctrine\DBAL\Schema\ForeignKeyConstraint;
 use Doctrine\DBAL\Schema\Index;
 use Doctrine\DBAL\Schema\Table;
@@ -889,4 +890,37 @@ class SQLAnywherePlatformTest extends AbstractPlatformTestCase
             'ALTER TABLE "table" ADD CONSTRAINT fk2 FOREIGN KEY (fk2) REFERENCES fk_table2 (id)',
         );
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommentOnColumnSQL()
+    {
+        return array(
+            'COMMENT ON COLUMN foo.bar IS \'comment\'',
+            'COMMENT ON COLUMN "Foo"."BAR" IS \'comment\'',
+            'COMMENT ON COLUMN "select"."from" IS \'comment\'',
+        );
+    }
+
+    /**
+     * @group DBAL-1004
+     */
+    public function testAltersTableColumnCommentWithExplicitlyQuotedIdentifiers()
+    {
+        $table1 = new Table('"foo"', array(new Column('"bar"', Type::getType('integer'))));
+        $table2 = new Table('"foo"', array(new Column('"bar"', Type::getType('integer'), array('comment' => 'baz'))));
+
+        $comparator = new Comparator();
+
+        $tableDiff = $comparator->diffTable($table1, $table2);
+
+        $this->assertInstanceOf('Doctrine\DBAL\Schema\TableDiff', $tableDiff);
+        $this->assertSame(
+            array(
+                'COMMENT ON COLUMN "foo"."bar" IS \'baz\'',
+            ),
+            $this->_platform->getAlterTableSQL($tableDiff)
+        );
+    }
 }

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

@@ -596,4 +596,16 @@ class SqlitePlatformTest extends AbstractPlatformTestCase
             'CREATE INDEX IDX_8C736521FDC58D6C ON "table" (fk2)',
         );
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommentOnColumnSQL()
+    {
+        return array(
+            'COMMENT ON COLUMN foo.bar IS \'comment\'',
+            'COMMENT ON COLUMN "Foo"."BAR" IS \'comment\'',
+            'COMMENT ON COLUMN "select"."from" IS \'comment\'',
+        );
+    }
 }