diff --git a/Makefile b/Makefile
index 9f6547a4..44086f91 100644
--- a/Makefile
+++ b/Makefile
@@ -33,7 +33,6 @@ up:
 	docker-compose up -d
 	echo "Waiting for mariadb to start up..."
 	docker-compose exec -T mysql timeout 60s sh -c "while ! (mysql -udbuser -pdbpass -h maria --execute 'SELECT 1;' > /dev/null 2>&1); do echo -n '.'; sleep 0.1 ; done; echo 'ok'" || (docker-compose ps; docker-compose logs; exit 1)
-	echo "Create another test DB for PgSQL ..." # created because of enum in PgSQL are different than MySQL
 
 cli:
 	docker-compose exec php bash
diff --git a/src/lib/ColumnToCode.php b/src/lib/ColumnToCode.php
index 2eb47ba1..271e86ee 100644
--- a/src/lib/ColumnToCode.php
+++ b/src/lib/ColumnToCode.php
@@ -166,7 +166,10 @@ public function getAlterExpression(bool $addUsingExpression = false):string
             return "'" . $this->rawParts['type'] . "'";
         }
         if ($addUsingExpression && ApiGenerator::isPostgres()) {
-            return "'" . $this->rawParts['type'] . " ".$this->rawParts['nullable']
+            return "'" . $this->rawParts['type'] .
+                ($this->alterByXDbType ?
+                    '' :
+                    " ".$this->rawParts['nullable'])
                 .' USING "'.$this->column->name.'"::'.$this->typeWithoutSize($this->rawParts['type'])."'";
         }
 
diff --git a/src/lib/migrations/BaseMigrationBuilder.php b/src/lib/migrations/BaseMigrationBuilder.php
index b0f8475f..3fdd0d32 100644
--- a/src/lib/migrations/BaseMigrationBuilder.php
+++ b/src/lib/migrations/BaseMigrationBuilder.php
@@ -400,20 +400,15 @@ protected function unPrefixTableName(string $tableName):string
         return str_replace($this->db->tablePrefix, '', $tableName);
     }
 
-    protected function isNeedUsingExpression(string $fromType, string $toType):bool
+    protected function isNeedUsingExpression(string $fromDbType, string $toDbType):bool
     {
-        $strings = ['string', 'text', 'char'];
-        if (in_array($fromType, $strings) && in_array($toType, $strings)) {
+        if ($fromDbType === $toDbType) {
             return false;
         }
-        $ints = ['smallint', 'integer', 'bigint', 'float', 'decimal'];
-        if (in_array($fromType, $ints) && in_array($toType, $ints)) {
-            return false;
-        }
-        $dates = ['date', 'timestamp'];
-        return !(in_array($fromType, $dates) && in_array($toType, $dates));
+        return true;
     }
 
+    // temporary save new/changed/desired column to temporary table. If saved we can fetch it from DB and then it can be used to compare with current column
     public function tmpSaveNewCol(\cebe\yii2openapi\db\ColumnSchema $columnSchema): \yii\db\ColumnSchema
     {
         $tableName = 'tmp_table_';
diff --git a/src/lib/migrations/PostgresMigrationBuilder.php b/src/lib/migrations/PostgresMigrationBuilder.php
index f9627cf6..d1a314bf 100644
--- a/src/lib/migrations/PostgresMigrationBuilder.php
+++ b/src/lib/migrations/PostgresMigrationBuilder.php
@@ -67,8 +67,8 @@ protected function buildColumnChanges(ColumnSchema $current, ColumnSchema $desir
                     , 'dbType', 'phpType'
                     , 'precision', 'scale', 'unsigned'
         ], $changed))) {
-            $addUsing = $this->isNeedUsingExpression($current->type, $desired->type);
-            $this->migration->addUpCode($this->recordBuilder->alterColumnType($tableName, $desired));
+            $addUsing = $this->isNeedUsingExpression($current->dbType, $desired->dbType);
+            $this->migration->addUpCode($this->recordBuilder->alterColumnType($tableName, $desired, $addUsing));
             $this->migration->addDownCode($this->recordBuilder->alterColumnTypeFromDb($tableName, $current, $addUsing));
         }
         if (in_array('allowNull', $changed, true)) {
diff --git a/tests/DbTestCase.php b/tests/DbTestCase.php
index bb77194c..9f2b8dd9 100644
--- a/tests/DbTestCase.php
+++ b/tests/DbTestCase.php
@@ -104,4 +104,26 @@ protected function checkFiles(array $actual, array $expected)
             $this->assertFileEquals($expectedFilePath, $file, "Failed asserting that file contents of\n$file\nare equal to file contents of\n$expectedFilePath");
         }
     }
+
+    protected function runActualMigrations(string $db = 'mysql', int $number = 2): void
+    {
+        // up
+        exec('cd tests; ./yii migrate-'.$db.' --interactive=0', $upOutput, $upExitCode);
+        $last = count($upOutput) - 1;
+        $lastThird = count($upOutput) - 3;
+        $this->assertSame($upExitCode, 0);
+        $this->assertSame($upOutput[$last], 'Migrated up successfully.');
+        $this->assertSame($upOutput[$lastThird], $number.' '.(($number === 1) ? 'migration was' : 'migrations were').' applied.');
+        // 1 migration was applied.
+        // 2 migrations were applied.
+
+        // down
+        exec('cd tests; ./yii migrate-'.$db.'/down --interactive=0 '.$number, $downOutput, $downExitCode);
+        $last = count($downOutput) - 1;
+        $lastThird = count($downOutput) - 3;
+        $this->assertSame($downExitCode, 0);
+        $this->assertSame($downOutput[$last], 'Migrated down successfully.');
+        $this->assertSame($downOutput[$lastThird], $number.' '.(($number === 1) ? 'migration was' : 'migrations were').' reverted.');
+
+    }
 }
diff --git a/tests/specs/blog_v2/migrations_pgsql_db/m200000_000000_change_table_v2_posts.php b/tests/specs/blog_v2/migrations_pgsql_db/m200000_000000_change_table_v2_posts.php
index 22a0029b..20d47cbd 100644
--- a/tests/specs/blog_v2/migrations_pgsql_db/m200000_000000_change_table_v2_posts.php
+++ b/tests/specs/blog_v2/migrations_pgsql_db/m200000_000000_change_table_v2_posts.php
@@ -12,16 +12,16 @@ public function safeUp()
         $this->addColumn('{{%v2_posts}}', 'lang', 'enum_lang NULL DEFAULT \'ru\'');
         $this->dropColumn('{{%v2_posts}}', 'uid');
         $this->alterColumn('{{%v2_posts}}', 'active', "DROP DEFAULT");
-        $this->alterColumn('{{%v2_posts}}', 'category_id', $this->bigInteger()->notNull());
-        $this->alterColumn('{{%v2_posts}}', 'created_by_id', $this->bigInteger()->null());
+        $this->alterColumn('{{%v2_posts}}', 'category_id', 'bigint NOT NULL USING "category_id"::bigint');
+        $this->alterColumn('{{%v2_posts}}', 'created_by_id', 'bigint NULL USING "created_by_id"::bigint');
         $this->dropIndex('v2_posts_slug_key', '{{%v2_posts}}');
     }
 
     public function safeDown()
     {
         $this->createIndex('v2_posts_slug_key', '{{%v2_posts}}', 'slug', true);
-        $this->alterColumn('{{%v2_posts}}', 'created_by_id', $this->integer()->null());
-        $this->alterColumn('{{%v2_posts}}', 'category_id', $this->integer()->notNull());
+        $this->alterColumn('{{%v2_posts}}', 'created_by_id', 'int4 NULL USING "created_by_id"::int4');
+        $this->alterColumn('{{%v2_posts}}', 'category_id', 'int4 NOT NULL USING "category_id"::int4');
         $this->addColumn('{{%v2_posts}}', 'uid', $this->bigInteger()->notNull());
         $this->dropColumn('{{%v2_posts}}', 'lang');
         $this->dropColumn('{{%v2_posts}}', 'id');
diff --git a/tests/specs/blog_v2/migrations_pgsql_db/m200000_000003_change_table_v2_categories.php b/tests/specs/blog_v2/migrations_pgsql_db/m200000_000003_change_table_v2_categories.php
index 6e30984f..79990cfd 100644
--- a/tests/specs/blog_v2/migrations_pgsql_db/m200000_000003_change_table_v2_categories.php
+++ b/tests/specs/blog_v2/migrations_pgsql_db/m200000_000003_change_table_v2_categories.php
@@ -9,7 +9,7 @@ public function safeUp()
     {
         $this->addColumn('{{%v2_categories}}', 'cover', $this->text()->notNull());
         $this->alterColumn('{{%v2_categories}}', 'active', "DROP DEFAULT");
-        $this->alterColumn('{{%v2_categories}}', 'title', $this->string(100)->notNull());
+        $this->alterColumn('{{%v2_categories}}', 'title', 'string(100) NOT NULL USING "title"::string');
         $this->dropIndex('v2_categories_title_key', '{{%v2_categories}}');
         $this->createIndex('v2_categories_title_index', '{{%v2_categories}}', 'title', false);
     }
@@ -18,7 +18,7 @@ public function safeDown()
     {
         $this->dropIndex('v2_categories_title_index', '{{%v2_categories}}');
         $this->createIndex('v2_categories_title_key', '{{%v2_categories}}', 'title', true);
-        $this->alterColumn('{{%v2_categories}}', 'title', $this->string(255)->notNull());
+        $this->alterColumn('{{%v2_categories}}', 'title', 'varchar(255) NOT NULL USING "title"::varchar');
         $this->dropColumn('{{%v2_categories}}', 'cover');
         $this->alterColumn('{{%v2_categories}}', 'active', "SET DEFAULT 'f'");
     }
diff --git a/tests/specs/blog_v2/migrations_pgsql_db/m200000_000004_change_table_v2_users.php b/tests/specs/blog_v2/migrations_pgsql_db/m200000_000004_change_table_v2_users.php
index 0b58811c..4651987c 100644
--- a/tests/specs/blog_v2/migrations_pgsql_db/m200000_000004_change_table_v2_users.php
+++ b/tests/specs/blog_v2/migrations_pgsql_db/m200000_000004_change_table_v2_users.php
@@ -24,7 +24,7 @@ public function safeDown()
         $this->dropIndex('v2_users_role_flags_hash_index', '{{%v2_users}}');
         $this->dropIndex('v2_users_login_key', '{{%v2_users}}');
         $this->createIndex('v2_users_username_key', '{{%v2_users}}', 'username', true);
-        $this->alterColumn('{{%v2_users}}', 'role', $this->string(20)->null());
+        $this->alterColumn('{{%v2_users}}', 'role', 'varchar(20) NULL USING "role"::varchar');
         $this->alterColumn('{{%v2_users}}', 'email', $this->string(200)->notNull());
         $this->addColumn('{{%v2_users}}', 'username', $this->string(200)->notNull());
         $this->dropColumn('{{%v2_users}}', 'login');
diff --git a/tests/specs/blog_v2/migrations_pgsql_db/m200000_000005_change_table_v2_comments.php b/tests/specs/blog_v2/migrations_pgsql_db/m200000_000005_change_table_v2_comments.php
index 3d24ee30..782080d7 100644
--- a/tests/specs/blog_v2/migrations_pgsql_db/m200000_000005_change_table_v2_comments.php
+++ b/tests/specs/blog_v2/migrations_pgsql_db/m200000_000005_change_table_v2_comments.php
@@ -11,10 +11,10 @@ public function safeUp()
         $this->dropForeignKey('fk_v2_comments_post_id_v2_posts_uid', '{{%v2_comments}}');
         $this->addColumn('{{%v2_comments}}', 'user_id', $this->bigInteger()->null()->defaultValue(null));
         $this->dropColumn('{{%v2_comments}}', 'author_id');
-        $this->alterColumn('{{%v2_comments}}', 'created_at', $this->timestamp()->notNull());
-        $this->alterColumn('{{%v2_comments}}', 'message', $this->text()->notNull());
+        $this->alterColumn('{{%v2_comments}}', 'created_at', 'datetime NOT NULL USING "created_at"::datetime');
+        $this->alterColumn('{{%v2_comments}}', 'message', 'text NOT NULL USING "message"::text');
         $this->alterColumn('{{%v2_comments}}', 'message', "DROP DEFAULT");
-        $this->alterColumn('{{%v2_comments}}', 'meta_data', $this->string(300)->null());
+        $this->alterColumn('{{%v2_comments}}', 'meta_data', 'string(300) NULL USING "meta_data"::string');
         $this->alterColumn('{{%v2_comments}}', 'meta_data', "DROP NOT NULL");
         $this->alterColumn('{{%v2_comments}}', 'meta_data', "SET DEFAULT ''");
         $this->addForeignKey('fk_v2_comments_post_id_v2_posts_id', '{{%v2_comments}}', 'post_id', '{{%v2_posts}}', 'id');
diff --git a/tests/specs/enum/change/pgsql/app/migrations_pgsql_db/m200000_000000_change_table_editcolumns.php b/tests/specs/enum/change/pgsql/app/migrations_pgsql_db/m200000_000000_change_table_editcolumns.php
index 5069d918..52454746 100644
--- a/tests/specs/enum/change/pgsql/app/migrations_pgsql_db/m200000_000000_change_table_editcolumns.php
+++ b/tests/specs/enum/change/pgsql/app/migrations_pgsql_db/m200000_000000_change_table_editcolumns.php
@@ -11,7 +11,7 @@ public function safeUp()
         $this->alterColumn('{{%editcolumns}}', 'connection', 'enum_connection USING "connection"::enum_connection');
         $this->alterColumn('{{%editcolumns}}', 'connection', "SET NOT NULL");
         $this->alterColumn('{{%editcolumns}}', 'connection', "SET DEFAULT 'WIRED'");
-        $this->alterColumn('{{%editcolumns}}', 'device', $this->text()->null());
+        $this->alterColumn('{{%editcolumns}}', 'device', 'text NULL USING "device"::text');
         $this->alterColumn('{{%editcolumns}}', 'device', "DROP NOT NULL");
         $this->alterColumn('{{%editcolumns}}', 'device', "DROP DEFAULT");
         $this->execute('DROP TYPE enum_device');
@@ -21,7 +21,7 @@ public function safeDown()
     {
         $this->execute('CREATE TYPE enum_device AS ENUM(\'MOBILE\', \'TV\', \'COMPUTER\')');
         $this->alterColumn('{{%editcolumns}}', 'device', 'enum_device USING "device"::enum_device');
-        $this->alterColumn('{{%editcolumns}}', 'connection', $this->string(255)->null());
+        $this->alterColumn('{{%editcolumns}}', 'connection', 'varchar(255) NULL USING "connection"::varchar');
         $this->alterColumn('{{%editcolumns}}', 'connection', "DROP NOT NULL");
         $this->alterColumn('{{%editcolumns}}', 'connection', "DROP DEFAULT");
         $this->execute('DROP TYPE enum_connection');
diff --git a/tests/specs/issue_fix/float_issue/float_issue.php b/tests/specs/issue_fix/float_issue/float_issue.php
new file mode 100644
index 00000000..c3be4693
--- /dev/null
+++ b/tests/specs/issue_fix/float_issue/float_issue.php
@@ -0,0 +1,13 @@
+<?php
+
+return [
+    'openApiPath' => '@specs/issue_fix/float_issue/float_issue.yaml',
+    'generateUrls' => false,
+    'generateModels' => true,
+    'excludeModels' => [
+        'Error',
+    ],
+    'generateControllers' => false,
+    'generateMigrations' => true,
+    'generateModelFaker' => false,
+];
diff --git a/tests/specs/issue_fix/float_issue/float_issue.yaml b/tests/specs/issue_fix/float_issue/float_issue.yaml
new file mode 100644
index 00000000..cc02ef67
--- /dev/null
+++ b/tests/specs/issue_fix/float_issue/float_issue.yaml
@@ -0,0 +1,28 @@
+openapi: "3.0.0"
+info:
+  version: 1.0.0
+  title: float_issue
+paths:
+  /:
+    get:
+      summary: List
+      operationId: list
+      responses:
+        '200':
+          description: The information
+
+components:
+  schemas:
+    Fruit:
+      type: object
+      description: Test model for float_issue
+      required:
+        - id
+        - name
+      properties:
+        id:
+          type: integer
+        vat_percent:
+          type: number
+          format: float
+          default: 0
diff --git a/tests/specs/issue_fix/no_syntax_error_107/mysql/app/migrations_mysql_db/m200000_000000_change_table_fruits.php b/tests/specs/issue_fix/no_syntax_error_107/mysql/app/migrations_mysql_db/m200000_000000_change_table_fruits.php
new file mode 100644
index 00000000..2905aec3
--- /dev/null
+++ b/tests/specs/issue_fix/no_syntax_error_107/mysql/app/migrations_mysql_db/m200000_000000_change_table_fruits.php
@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * Table for Fruit
+ */
+class m200000_000000_change_table_fruits extends \yii\db\Migration
+{
+    public function up()
+    {
+        $this->db->createCommand('ALTER TABLE {{%fruits}} ADD COLUMN test_emails json NOT NULL')->execute();
+        $this->alterColumn('{{%fruits}}', 'name', $this->text()->notNull());
+    }
+
+    public function down()
+    {
+        $this->alterColumn('{{%fruits}}', 'name', $this->string(255)->null()->defaultValue(null));
+        $this->dropColumn('{{%fruits}}', 'test_emails');
+    }
+}
diff --git a/tests/specs/issue_fix/no_syntax_error_107/mysql/no_syntax_error_107.php b/tests/specs/issue_fix/no_syntax_error_107/mysql/no_syntax_error_107.php
new file mode 100644
index 00000000..0056078e
--- /dev/null
+++ b/tests/specs/issue_fix/no_syntax_error_107/mysql/no_syntax_error_107.php
@@ -0,0 +1,13 @@
+<?php
+
+return [
+    'openApiPath' => '@specs/issue_fix/no_syntax_error_107/mysql/no_syntax_error_107.yaml',
+    'generateUrls' => false,
+    'generateModels' => false,
+    'excludeModels' => [
+        'Error',
+    ],
+    'generateControllers' => false,
+    'generateMigrations' => true,
+    'generateModelFaker' => false,
+];
diff --git a/tests/specs/issue_fix/no_syntax_error_107/mysql/no_syntax_error_107.yaml b/tests/specs/issue_fix/no_syntax_error_107/mysql/no_syntax_error_107.yaml
new file mode 100644
index 00000000..cf06addd
--- /dev/null
+++ b/tests/specs/issue_fix/no_syntax_error_107/mysql/no_syntax_error_107.yaml
@@ -0,0 +1,41 @@
+openapi: "3.0.0"
+info:
+  version: 1.0.0
+  title: Fix https://github.com/cebe/yii2-openapi/issues/107 Migrations are generated with syntax error and wrong data type in MySQL
+paths:
+  /:
+    get:
+      summary: List
+      operationId: list
+      responses:
+        '200':
+          description: The information
+
+components:
+  schemas:
+    Fruit:
+      type: object
+      description: A table to fix \#107
+      required:
+        - id
+        - name
+      properties:
+        id:
+          type: integer
+        name:
+          # type: array
+          # x-db-type: JSON
+          # nullable: false
+          # default: '{}'
+
+          type: array
+          x-db-type: text
+          nullable: false
+          # default: '{}'
+
+
+        test_emails:
+          type: array
+          x-db-type: JSON
+          nullable: false
+          default: '[]'
diff --git a/tests/specs/x_db_type/edit_column/pgsql/app/migrations_pgsql_db/m200000_000001_change_table_editcolumns.php b/tests/specs/x_db_type/edit_column/pgsql/app/migrations_pgsql_db/m200000_000001_change_table_editcolumns.php
index f753b3fe..1c34a89a 100644
--- a/tests/specs/x_db_type/edit_column/pgsql/app/migrations_pgsql_db/m200000_000001_change_table_editcolumns.php
+++ b/tests/specs/x_db_type/edit_column/pgsql/app/migrations_pgsql_db/m200000_000001_change_table_editcolumns.php
@@ -11,29 +11,29 @@ public function safeUp()
         $this->db->createCommand('ALTER TABLE {{%editcolumns}} ADD COLUMN "json_col_def_n" json NOT NULL DEFAULT \'[]\'')->execute();
         $this->db->createCommand('ALTER TABLE {{%editcolumns}} ADD COLUMN "json_col_def_n_2" json NOT NULL DEFAULT \'[]\'')->execute();
         $this->db->createCommand('ALTER TABLE {{%editcolumns}} ADD COLUMN "text_col_array" text[] NULL DEFAULT NULL')->execute();
-        $this->db->createCommand('ALTER TABLE {{%editcolumns}} ALTER COLUMN "dec_col" SET DATA TYPE decimal(12,2)')->execute();
+        $this->db->createCommand('ALTER TABLE {{%editcolumns}} ALTER COLUMN "dec_col" SET DATA TYPE decimal(12,2) USING "dec_col"::decimal(12,2)')->execute();
         $this->alterColumn('{{%editcolumns}}', 'dec_col', "SET DEFAULT 3.14");
-        $this->db->createCommand('ALTER TABLE {{%editcolumns}} ALTER COLUMN "json_col" SET DATA TYPE text')->execute();
+        $this->db->createCommand('ALTER TABLE {{%editcolumns}} ALTER COLUMN "json_col" SET DATA TYPE text USING "json_col"::text')->execute();
         $this->alterColumn('{{%editcolumns}}', 'json_col', "SET NOT NULL");
         $this->alterColumn('{{%editcolumns}}', 'json_col', "SET DEFAULT 'fox jumps over dog'");
         $this->alterColumn('{{%editcolumns}}', 'json_col_2', "SET NOT NULL");
         $this->alterColumn('{{%editcolumns}}', 'json_col_2', "SET DEFAULT '[]'");
         $this->db->createCommand('ALTER TABLE {{%editcolumns}} ALTER COLUMN "name" SET DATA TYPE varchar(254)')->execute();
         $this->alterColumn('{{%editcolumns}}', 'name', "SET DEFAULT 'Horse-2'");
-        $this->db->createCommand('ALTER TABLE {{%editcolumns}} ALTER COLUMN "numeric_col" SET DATA TYPE double precision')->execute();
+        $this->db->createCommand('ALTER TABLE {{%editcolumns}} ALTER COLUMN "numeric_col" SET DATA TYPE double precision USING "numeric_col"::double precision')->execute();
         $this->alterColumn('{{%editcolumns}}', 'str_col_def', "SET NOT NULL");
         $this->alterColumn('{{%editcolumns}}', 'str_col_def', "DROP DEFAULT");
-        $this->alterColumn('{{%editcolumns}}', 'string_col', $this->text()->null());
+        $this->alterColumn('{{%editcolumns}}', 'string_col', 'text NULL USING "string_col"::text');
         $this->alterColumn('{{%editcolumns}}', 'string_col', "DROP NOT NULL");
     }
 
     public function safeDown()
     {
-        $this->alterColumn('{{%editcolumns}}', 'string_col', $this->string(255)->notNull());
+        $this->alterColumn('{{%editcolumns}}', 'string_col', 'varchar(255) NOT NULL USING "string_col"::varchar');
         $this->alterColumn('{{%editcolumns}}', 'numeric_col', 'int4 NULL USING "numeric_col"::int4');
         $this->alterColumn('{{%editcolumns}}', 'name', $this->string(255)->notNull());
         $this->alterColumn('{{%editcolumns}}', 'json_col', 'jsonb NULL USING "json_col"::jsonb');
-        $this->alterColumn('{{%editcolumns}}', 'dec_col', $this->decimal()->null());
+        $this->alterColumn('{{%editcolumns}}', 'dec_col', 'numeric NULL USING "dec_col"::numeric');
         $this->dropColumn('{{%editcolumns}}', 'text_col_array');
         $this->dropColumn('{{%editcolumns}}', 'json_col_def_n_2');
         $this->dropColumn('{{%editcolumns}}', 'json_col_def_n');
diff --git a/tests/unit/EnumTest.php b/tests/unit/EnumTest.php
index 247ee344..82546392 100644
--- a/tests/unit/EnumTest.php
+++ b/tests/unit/EnumTest.php
@@ -30,6 +30,7 @@ public function testFresh()
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('mysql', 3);
 
         $this->changeDbToMariadb();
         $this->deleteTables();
@@ -43,6 +44,7 @@ public function testFresh()
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('maria', 3);
 
         $this->changeDbToPgsql();
         $this->deleteTables();
@@ -56,6 +58,7 @@ public function testFresh()
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('pgsql', 3);
     }
 
     public function testAddNewColumn() // and drop enum column
@@ -73,6 +76,7 @@ public function testAddNewColumn() // and drop enum column
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('mysql', 3);
 
         // Mariadb
         $this->changeDbToMariadb();
@@ -88,6 +92,7 @@ public function testAddNewColumn() // and drop enum column
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('maria', 3);
 
         // Pgsql
         $this->changeDbToPgsql();
@@ -103,6 +108,7 @@ public function testAddNewColumn() // and drop enum column
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('pgsql', 3);
     }
 
     public function testChangeToAndFromEnum() // edit enum to string and vice versa
@@ -119,6 +125,7 @@ public function testChangeToAndFromEnum() // edit enum to string and vice versa
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('mysql', 3);
 
         // Mariadb
         $this->changeDbToMariadb();
@@ -134,6 +141,7 @@ public function testChangeToAndFromEnum() // edit enum to string and vice versa
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('maria', 3);
 
 
         $this->changeDbToPgsql();
@@ -149,6 +157,7 @@ public function testChangeToAndFromEnum() // edit enum to string and vice versa
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('pgsql', 3);
     }
 
     // TODO ENH enum change is more work than just changing the eunm values. And for PgSQL it is even more
diff --git a/tests/unit/IssueFixTest.php b/tests/unit/IssueFixTest.php
new file mode 100644
index 00000000..4e0cb966
--- /dev/null
+++ b/tests/unit/IssueFixTest.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace tests\unit;
+
+use Yii;
+use tests\DbTestCase;
+use yii\helpers\FileHelper;
+
+// This class contains tests for various issues present at GitHub
+class IssueFixTest extends DbTestCase
+{
+    // fix https://github.com/cebe/yii2-openapi/issues/107
+    // 107_no_syntax_error
+    public function testMigrationsAreNotGeneratedWithSyntaxError()
+    {
+        $testFile = Yii::getAlias("@specs/issue_fix/no_syntax_error_107/mysql/no_syntax_error_107.php");
+        $this->deleteTablesForNoSyntaxError107();
+        $this->createTableForNoSyntaxError107();
+        $this->runGenerator($testFile, 'mysql');
+        $actualFiles = FileHelper::findFiles(Yii::getAlias('@app'), [
+            'recursive' => true,
+        ]);
+        $expectedFiles = FileHelper::findFiles(Yii::getAlias("@specs/issue_fix/no_syntax_error_107/mysql/app"), [
+            'recursive' => true,
+        ]);
+        $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('mysql', 1);
+    }
+
+    private function deleteTablesForNoSyntaxError107()
+    {
+        Yii::$app->db->createCommand('DROP TABLE IF EXISTS {{%fruits}}')->execute();
+    }
+
+    private function createTableForNoSyntaxError107()
+    {
+        Yii::$app->db->createCommand()->createTable('{{%fruits}}', [
+            'id' => 'pk',
+            'name' => 'varchar(255)',
+        ])->execute();
+    }
+
+    public function testFloatIssue()
+    {
+        // test no migrations are generaeted
+        $this->changeDbToPgsql();
+        $this->deleteTablesForFloatIssue();
+        $this->createTableForFloatIssue();
+        $testFile = Yii::getAlias("@specs/issue_fix/float_issue/float_issue.php");
+        $this->runGenerator($testFile, 'pgsql');
+        $this->expectException(\yii\base\InvalidArgumentException::class);
+        FileHelper::findDirectories(Yii::getAlias('@app').'/migration');
+        FileHelper::findDirectories(Yii::getAlias('@app').'/migrations');
+        FileHelper::findDirectories(Yii::getAlias('@app').'/migrations_mysql_db');
+        FileHelper::findDirectories(Yii::getAlias('@app').'/migrations_maria_db');
+        FileHelper::findDirectories(Yii::getAlias('@app').'/migrations_pgsql_db');
+    }
+
+    private function deleteTablesForFloatIssue()
+    {
+        Yii::$app->db->createCommand('DROP TABLE IF EXISTS {{%fruits}}')->execute();
+    }
+
+    private function createTableForFloatIssue()
+    {
+        Yii::$app->db->createCommand()->createTable('{{%fruits}}', [
+            'id' => 'pk',
+            'vat_percent' => 'float default 0',
+        ])->execute();
+    }
+}
diff --git a/tests/unit/XDbTypeTest.php b/tests/unit/XDbTypeTest.php
index 7f492c22..7be7198e 100644
--- a/tests/unit/XDbTypeTest.php
+++ b/tests/unit/XDbTypeTest.php
@@ -29,6 +29,7 @@ public function testXDbTypeFresh()
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('mysql', 4);
 
         // same yaml file is used for MySQL and MariaDB ----------------------
         $this->changeDbToMariadb();
@@ -43,6 +44,7 @@ public function testXDbTypeFresh()
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('maria', 4);
 
         // PgSQL ------------------------------------------------
         $this->changeDbToPgsql();
@@ -57,6 +59,7 @@ public function testXDbTypeFresh()
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('pgsql', 4);
     }
 
     public function testXDbTypeSecondaryWithNewColumn() // v2
@@ -74,6 +77,7 @@ public function testXDbTypeSecondaryWithNewColumn() // v2
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('mysql', 4);
 
         // same yaml file is used for MySQL and MariaDB ----------------------
         $this->changeDbToMariadb();
@@ -90,6 +94,7 @@ public function testXDbTypeSecondaryWithNewColumn() // v2
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('maria', 4);
 
         // PgSQL ------------------------------------------------
         $this->changeDbToPgsql();
@@ -106,6 +111,7 @@ public function testXDbTypeSecondaryWithNewColumn() // v2
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('pgsql', 4);
     }
 
     public function testXDbTypeSecondaryWithEditColumn() // v3
@@ -123,6 +129,7 @@ public function testXDbTypeSecondaryWithEditColumn() // v3
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('mysql', 4);
 
         // same yaml file is used for MySQL and MariaDB ----------------------
         $this->changeDbToMariadb();
@@ -139,6 +146,7 @@ public function testXDbTypeSecondaryWithEditColumn() // v3
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('maria', 4);
 
         // PgSQL ------------------------------------------------
         $this->changeDbToPgsql();
@@ -155,6 +163,7 @@ public function testXDbTypeSecondaryWithEditColumn() // v3
             'recursive' => true,
         ]);
         $this->checkFiles($actualFiles, $expectedFiles);
+        $this->runActualMigrations('pgsql', 4);
     }
 
     private function deleteTables()