Fixes #14367: In yii\db\mysql\QueryBuilder added support fractional seconds for time types for MySQL >= 5.6.4

framework/CHANGELOG.md

@@ -4,6 +4,7 @@ Yii Framework 2 Change Log
 2.0.16 under development
 ------------------------
 
+- Enh #14367: In `yii\db\mysql\QueryBuilder` added support fractional seconds for time types for MySQL >= 5.6.4 (konstantin-vl)
 - Bug #16766: `yii\filters\ContentNegotiator` was not setting `Vary` header to inform cache recipients (koteq, cebe, samdark)
 - Bug #11960: Fixed `checked` option ignore in `yii\helpers\BaseHtml::checkbox()` (misantron)
 - Bug #14759: Fixed `yii\web\JsonResponseFormatter` output for `null` data (misantron)

framework/db/mysql/QueryBuilder.php

@@ -39,9 +39,6 @@ class QueryBuilder extends \yii\db\QueryBuilder
         Schema::TYPE_FLOAT => 'float',
         Schema::TYPE_DOUBLE => 'double',
         Schema::TYPE_DECIMAL => 'decimal(10,0)',
-        Schema::TYPE_DATETIME => 'datetime',
-        Schema::TYPE_TIMESTAMP => 'timestamp',
-        Schema::TYPE_TIME => 'time',
         Schema::TYPE_DATE => 'date',
         Schema::TYPE_BINARY => 'blob',
         Schema::TYPE_BOOLEAN => 'tinyint(1)',
@@ -49,6 +46,15 @@ class QueryBuilder extends \yii\db\QueryBuilder
         Schema::TYPE_JSON => 'json'
     ];
 
+    /**
+     * {@inheritdoc}
+     */
+    public function init()
+    {
+        parent::init();
+
+        $this->typeMap = array_merge($this->typeMap, $this->defaultTimeTypeMap());
+    }
 
     /**
      * {@inheritdoc}
@@ -362,4 +368,41 @@ class QueryBuilder extends \yii\db\QueryBuilder
         return null;
     }
 
+    /**
+     * Checks the ability to use fractional seconds.
+     *
+     * @return bool
+     * @see https://dev.mysql.com/doc/refman/5.6/en/fractional-seconds.html
+     */
+    private function supportsFractionalSeconds()
+    {
+        $version = $this->db->getSlavePdo()->getAttribute(\PDO::ATTR_SERVER_VERSION);
+        return version_compare($version, '5.6.4', '>=');
+    }
+
+    /**
+     * Returns the map for default time type.
+     * If the version of MySQL is lower than 5.6.4, then the types will be without fractional seconds,
+     * otherwise with fractional seconds.
+     *
+     * @return array
+     */
+    private function defaultTimeTypeMap()
+    {
+        $map = [
+            Schema::TYPE_DATETIME => 'datetime',
+            Schema::TYPE_TIMESTAMP => 'timestamp',
+            Schema::TYPE_TIME => 'time',
+        ];
+
+        if ($this->supportsFractionalSeconds()) {
+            $map = [
+                Schema::TYPE_DATETIME => 'datetime(0)',
+                Schema::TYPE_TIMESTAMP => 'timestamp(0)',
+                Schema::TYPE_TIME => 'time(0)',
+            ];
+        }
+
+        return $map;
+    }
 }

tests/framework/db/QueryBuilderTest.php

@@ -280,7 +280,6 @@ abstract class QueryBuilderTest extends DatabaseTestCase
                 Schema::TYPE_DATETIME . ' NOT NULL',
                 $this->dateTime()->notNull(),
                 [
-                    'mysql' => 'datetime NOT NULL',
                     'postgres' => 'timestamp(0) NOT NULL',
                     'sqlite' => 'datetime NOT NULL',
                     'oci' => 'TIMESTAMP NOT NULL',
@@ -292,7 +291,6 @@ abstract class QueryBuilderTest extends DatabaseTestCase
                 Schema::TYPE_DATETIME,
                 $this->dateTime(),
                 [
-                    'mysql' => 'datetime',
                     'postgres' => 'timestamp(0)',
                     'sqlite' => 'datetime',
                     'oci' => 'TIMESTAMP',
@@ -871,7 +869,6 @@ abstract class QueryBuilderTest extends DatabaseTestCase
                 Schema::TYPE_TIME . ' NOT NULL',
                 $this->time()->notNull(),
                 [
-                    'mysql' => 'time NOT NULL',
                     'postgres' => 'time(0) NOT NULL',
                     'sqlite' => 'time NOT NULL',
                     'oci' => 'TIMESTAMP NOT NULL',
@@ -883,7 +880,6 @@ abstract class QueryBuilderTest extends DatabaseTestCase
                 Schema::TYPE_TIME,
                 $this->time(),
                 [
-                    'mysql' => 'time',
                     'postgres' => 'time(0)',
                     'sqlite' => 'time',
                     'oci' => 'TIMESTAMP',
@@ -906,7 +902,6 @@ abstract class QueryBuilderTest extends DatabaseTestCase
                 Schema::TYPE_TIMESTAMP . ' NOT NULL',
                 $this->timestamp()->notNull(),
                 [
-                    'mysql' => 'timestamp NOT NULL',
                     'postgres' => 'timestamp(0) NOT NULL',
                     'sqlite' => 'timestamp NOT NULL',
                     'oci' => 'TIMESTAMP NOT NULL',
@@ -934,7 +929,6 @@ abstract class QueryBuilderTest extends DatabaseTestCase
                 Schema::TYPE_TIMESTAMP . ' NULL DEFAULT NULL',
                 $this->timestamp()->defaultValue(null),
                 [
-                    'mysql' => 'timestamp NULL DEFAULT NULL',
                     'postgres' => 'timestamp(0) NULL DEFAULT NULL',
                     'sqlite' => 'timestamp NULL DEFAULT NULL',
                     'sqlsrv' => 'timestamp NULL DEFAULT NULL',

tests/framework/db/mysql/QueryBuilderTest.php

@@ -85,6 +85,64 @@ class QueryBuilderTest extends \yiiunit\framework\db\QueryBuilderTest
             ];
         }
 
+        return array_merge(parent::columnTypes(), $this->columnTimeTypes(), $columns);
+    }
+
+    public function columnTimeTypes()
+    {
+        $columns = [
+            [
+                Schema::TYPE_DATETIME . ' NOT NULL',
+                $this->dateTime()->notNull(),
+                'datetime NOT NULL',
+            ],
+            [
+                Schema::TYPE_DATETIME,
+                $this->dateTime(),
+                'datetime',
+            ],
+            [
+                Schema::TYPE_TIME . ' NOT NULL',
+                $this->time()->notNull(),
+                'time NOT NULL',
+            ],
+            [
+                Schema::TYPE_TIME,
+                $this->time(),
+                'time',
+            ],
+            [
+                Schema::TYPE_TIMESTAMP . ' NOT NULL',
+                $this->timestamp()->notNull(),
+                'timestamp NOT NULL',
+            ],
+            [
+                Schema::TYPE_TIMESTAMP . ' NULL DEFAULT NULL',
+                $this->timestamp()->defaultValue(null),
+                'timestamp NULL DEFAULT NULL',
+            ],
+        ];
+
+        /**
+         * @link https://github.com/yiisoft/yii2/issues/14367
+         */
+        $mysqlVersion = $this->getDb()->getSlavePdo()->getAttribute(\PDO::ATTR_SERVER_VERSION);
+        $supportsFractionalSeconds = version_compare($mysqlVersion,'5.6.4', '>=');
+        if ($supportsFractionalSeconds) {
+            $expectedValues = [
+                'datetime(0) NOT NULL',
+                'datetime(0)',
+                'time(0) NOT NULL',
+                'time(0)',
+                'timestamp(0) NOT NULL',
+                'timestamp(0) NULL DEFAULT NULL',
+            ];
+
+            foreach ($expectedValues as $index => $expected) {
+                $columns[$index][2] = $expected;
+            }
+        }
+
         /**
          * @link https://github.com/yiisoft/yii2/issues/14834
          */
@@ -99,11 +157,11 @@ class QueryBuilderTest extends \yiiunit\framework\db\QueryBuilderTest
             $columns[] = [
                 Schema::TYPE_TIMESTAMP,
                 $this->timestamp(),
-                'timestamp',
+                $supportsFractionalSeconds ? 'timestamp(0)' : 'timestamp',
             ];
         }
 
-        return array_merge(parent::columnTypes(), $columns);
+        return $columns;
     }
 
     public function primaryKeysProvider()