Merge branch 'develop'

Author: ezimuel

CHANGELOG.md

@@ -2,6 +2,46 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
+## 2.9.0 - TBD
+
+### Added
+
+- [#216](https://github.com/zendframework/zend-db/pull/216) added AFTER support
+  in ALTER TABLE syntax for MySQL
+- [#223](https://github.com/zendframework/zend-db/pull/223) added support for
+  empty values set with IN predicate
+- [#271](https://github.com/zendframework/zend-db/pull/271) added support for
+  dash character on MySQL identifier
+- [#273](https://github.com/zendframework/zend-db/pull/273) added support for
+  implementing an error handler for db2_prepare
+- [#275](https://github.com/zendframework/zend-db/pull/275) added support for
+  LIMIT OFFSET for db2
+- [#280](https://github.com/zendframework/zend-db/pull/280) added version dsn
+  parameter for pdo_dblib
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- [#205](https://github.com/zendframework/zend-db/pull/205) fixes the spaces in
+  ORDER BY syntax
+- [#229](https://github.com/zendframework/zend-db/pull/229) fixes the support
+  of SSL for mysqli
+- [#255](https://github.com/zendframework/zend-db/pull/255) fixes ResultSet with
+  array values
+- [#261](https://github.com/zendframework/zend-db/pull/261) fixes Exception in
+  Firebird driver doesn't support lastInsertId
+- [#276](https://github.com/zendframework/zend-db/pull/276) fixes the support
+  of PHP 7.2
+- [#287](https://github.com/zendframework/zend-db/pull/287) fixes the usage of
+  count() with PHP 7.2
+
 ## 2.8.3 - TBD
 
 ### Added

docs/book/sql.md

@@ -161,7 +161,16 @@ $select->columns(['foo', 'bar']);
 
 // As an associative array with aliases as the keys
 // (produces 'bar' AS 'foo', 'bax' AS 'baz')
-$select->columns(['foo' => 'bar', 'baz' => 'bax']);
+$select->columns([
+    'foo' => 'bar', 
+    'baz' => 'bax'
+]);
+
+// Sql function call on the column
+// (produces CONCAT_WS('/', 'bar', 'bax') AS 'foo')
+$select->columns([
+    'foo' => new \Zend\Db\Sql\Expression("CONCAT_WS('/', 'bar', 'bax')")
+]);
 ```
 
 ### join()

phpcs.xml

@@ -1,6 +1,9 @@
 <?xml version="1.0"?>
 <ruleset name="Zend Framework coding standard">
-    <rule ref="./vendor/zendframework/zend-coding-standard/ruleset.xml"/>
+    <rule ref="./vendor/zendframework/zend-coding-standard/ruleset.xml" />
+    <rule ref="PSR1.Files.SideEffects">
+        <exclude-pattern>*/test/Adapter/Driver/IbmDb2/StatementTest.php</exclude-pattern>
+    </rule>
 
     <!-- Paths to check -->
     <file>src</file>

src/Adapter/Driver/IbmDb2/Statement.php

@@ -9,6 +9,7 @@
 
 namespace Zend\Db\Adapter\Driver\IbmDb2;
 
+use ErrorException;
 use Zend\Db\Adapter\Driver\StatementInterface;
 use Zend\Db\Adapter\Exception;
 use Zend\Db\Adapter\ParameterContainer;
@@ -172,7 +173,14 @@ public function prepare($sql = null)
             $sql = $this->sql;
         }
 
-        $this->resource = db2_prepare($this->db2, $sql);
+        try {
+            set_error_handler($this->createErrorHandler());
+            $this->resource = db2_prepare($this->db2, $sql);
+        } catch (ErrorException $e) {
+            throw new Exception\RuntimeException($e->getMessage() . '. ' . db2_stmt_errormsg(), db2_stmt_error(), $e);
+        } finally {
+            restore_error_handler();
+        }
 
         if ($this->resource === false) {
             throw new Exception\RuntimeException(db2_stmt_errormsg(), db2_stmt_error());
@@ -239,4 +247,31 @@ public function execute($parameters = null)
         $result = $this->driver->createResult($this->resource);
         return $result;
     }
+
+    /**
+     * Creates and returns a callable error handler that raises exceptions.
+     *
+     * Only raises exceptions for errors that are within the error_reporting mask.
+     *
+     * @return callable
+     */
+    private function createErrorHandler()
+    {
+        /**
+         * @param int $errno
+         * @param string $errstr
+         * @param string $errfile
+         * @param int $errline
+         * @return void
+         * @throws ErrorException if error is not within the error_reporting mask.
+         */
+        return function ($errno, $errstr, $errfile, $errline) {
+            if (! (error_reporting() & $errno)) {
+                // error_reporting does not include this error
+                return;
+            }
+
+            throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
+        };
+    }
 }

src/Adapter/Driver/Mysqli/Result.php

@@ -279,11 +279,10 @@ public function key()
      */
     public function rewind()
     {
-        if ($this->position !== 0) {
-            if ($this->isBuffered === false) {
-                throw new Exception\RuntimeException('Unbuffered results cannot be rewound for multiple iterations');
-            }
+        if (0 !== $this->position && false === $this->isBuffered) {
+            throw new Exception\RuntimeException('Unbuffered results cannot be rewound for multiple iterations');
         }
+
         $this->resource->data_seek(0); // works for both mysqli_result & mysqli_stmt
         $this->currentComplete = false;
         $this->position = 0;

src/Adapter/Driver/Pdo/Connection.php

@@ -202,6 +202,9 @@ public function connect()
                 case 'unix_socket':
                     $unix_socket = (string) $value;
                     break;
+                case 'version':
+                    $version = (string) $value;
+                    break;
                 case 'driver_options':
                 case 'options':
                     $value = (array) $value;
@@ -250,6 +253,9 @@ public function connect()
                     if (isset($unix_socket)) {
                         $dsn[] = "unix_socket={$unix_socket}";
                     }
+                    if (isset($version)) {
+                        $dsn[] = "version={$version}";
+                    }
                     break;
             }
             $dsn = $pdoDriver . ':' . implode(';', $dsn);

src/Adapter/Platform/AbstractPlatform.php

@@ -26,6 +26,11 @@ abstract class AbstractPlatform implements PlatformInterface
      */
     protected $quoteIdentifiers = true;
 
+    /**
+     * @var string
+     */
+    protected $quoteIdentifierFragmentPattern = '/([^0-9,a-z,A-Z$_:])/i';
+
     /**
      * {@inheritDoc}
      */
@@ -42,7 +47,7 @@ public function quoteIdentifierInFragment($identifier, array $safeWords = [])
         }
 
         $parts = preg_split(
-            '/([^0-9,a-z,A-Z$_:])/i',
+            $this->quoteIdentifierFragmentPattern,
             $identifier,
             -1,
             PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY

src/Adapter/Platform/Mysql.php

@@ -31,6 +31,13 @@ class Mysql extends AbstractPlatform
      */
     protected $resource = null;
 
+    /**
+     * NOTE: Include dashes for MySQL only, need tests for others platforms
+     *
+     * @var string
+     */
+    protected $quoteIdentifierFragmentPattern = '/([^0-9,a-z,A-Z$_\-:])/i';
+
     /**
      * @param null|\Zend\Db\Adapter\Driver\Mysqli\Mysqli|\Zend\Db\Adapter\Driver\Pdo\Pdo|\mysqli|\PDO $driver
      */

src/Sql/Platform/IbmDb2/SelectDecorator.php

@@ -27,7 +27,13 @@ class SelectDecorator extends Select implements PlatformDecoratorInterface
      */
     protected $subject = null;
 
-    /**
+     /**
+     * @var bool
+     */
+    protected $supportsLimitOffset = false;
+
+
+   /**
      * @return bool
      */
     public function getIsSelectContainDistinct()
@@ -51,6 +57,22 @@ public function setSubject($select)
         $this->subject = $select;
     }
 
+    /**
+     * @return bool
+     */
+    public function getSupportsLimitOffset()
+    {
+        return $this->supportsLimitOffset;
+    }
+
+    /**
+     * @param bool $supportsLimitOffset
+     */
+    public function setSupportsLimitOffset($supportsLimitOffset)
+    {
+        $this->supportsLimitOffset = $supportsLimitOffset;
+    }
+
     /**
      * @see Select::renderTable
      */
@@ -87,6 +109,23 @@ protected function processLimitOffset(
             return;
         }
 
+        if ($this->supportsLimitOffset) {
+            // Note: db2_prepare/db2_execute fails with positional parameters, for LIMIT & OFFSET
+            $limit = (int) $this->limit;
+            if (! $limit) {
+                return;
+            }
+
+            $offset = (int) $this->offset;
+            if ($offset) {
+                array_push($sqls, sprintf("LIMIT %s OFFSET %s", $limit, $offset));
+                return;
+            }
+
+            array_push($sqls, sprintf("LIMIT %s", $limit));
+            return;
+        }
+
         $selectParameters = $parameters[self::SELECT];
 
         $starSuffix = $platform->getIdentifierSeparator() . self::SQL_STAR;

src/Sql/Platform/Mysql/Ddl/AlterTableDecorator.php

@@ -33,6 +33,7 @@ class AlterTableDecorator extends AlterTable implements PlatformDecoratorInterfa
         'columnformat'  => 4,
         'format'        => 4,
         'storage'       => 5,
+        'after'         => 6
     ];
 
     /**
@@ -130,6 +131,9 @@ protected function processAddColumns(PlatformInterface $adapterPlatform = null)
                         $insert = ' STORAGE ' . strtoupper($coValue);
                         $j = 2;
                         break;
+                    case 'after':
+                        $insert = ' AFTER ' . $adapterPlatform->quoteIdentifier($coValue);
+                        $j = 2;
                 }
 
                 if ($insert) {