- WIP on migration and some bug fixes linked to withJoin() select problems

src/Migration/Sql/SqliteMigration.php

@@ -5,4 +5,4 @@ namespace Ulmus\Migration\Sql;
 class SqliteMigration
 {
 
-}
+} 

src/Migration/SqlMigrationTrait.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace Ulmus\Migration;
+
+use Ulmus\Adapter\AdapterInterface;
+use Ulmus\Adapter\SqlFieldMapper;
+use Ulmus\ConnectionAdapter;
+use Ulmus\Entity\Mysql\Table;
+use Ulmus\Repository;
+
+trait SqlMigrationTrait
+{
+    protected array $QUERY_REPLACE = [
+        'change' => "alter",
+    ];
+
+    public function schemaTable(ConnectionAdapter $adapter, $databaseName, string $tableName) : null|object
+    {
+        return \Ulmus\Entity\InformationSchema\Table::repository(Repository::DEFAULT_ALIAS, $adapter)
+            ->select(\Ulmus\Common\Sql::raw('this.*'))
+            ->where($this->escapeIdentifier('table_schema', AdapterInterface::IDENTIFIER_FIELD), $databaseName)
+            ->or($this->escapeIdentifier('table_catalog', AdapterInterface::IDENTIFIER_FIELD), $databaseName)
+            ->loadOneFromField($this->escapeIdentifier('table_name', AdapterInterface::IDENTIFIER_FIELD), $tableName);
+    }
+
+    public function mapFieldType(FieldDefinition $field, bool $typeOnly = false) : string
+    {
+        $mapper = new SqlFieldMapper($field);
+
+        return $typeOnly ? $mapper->type : $mapper->render();
+    }
+
+    public function generateAlterColumn(FieldDefinition $definition, array $field) : string|\Stringable
+    {
+        if ($field['action'] === 'add') {
+            if (! empty($field['previous'])) {
+                $position = sprintf('AFTER %s', $this->escapeIdentifier($field['previous']->field, AdapterInterface::IDENTIFIER_FIELD));
+            }
+            else {
+                $position = "FIRST";
+            }
+        }
+
+        return implode(" ", array_filter([
+            strtoupper($field['action']),
+            $this->escapeIdentifier($definition->getSqlName(), AdapterInterface::IDENTIFIER_FIELD),
+            $definition->getSqlType(),
+            $definition->getSqlParams(),
+            $position ?? null,
+        ]));
+    }
+
+    public function splitAlterQuery() : bool
+    {
+        return false;
+    }
+}