Move schema split for SQLite CREATE INDEX only (#6352)

|      Q       |   A
|------------- | -----------
| Type         | bug
| Fixed issues | n/a

#### Summary

`SqlitePlatform::getCreatePrimaryKeySQL` method must receive original
table name, the split is intended for SQLite `CREATE INDEX` statement
only.

Author: mvorisek

src/Platforms/SqlitePlatform.php

@@ -950,11 +950,6 @@ public function getCreateIndexSQL(Index $index, $table)
         $name    = $index->getQuotedName($this);
         $columns = $index->getColumns();
 
-        if (strpos($table, '.') !== false) {
-            [$schema, $table] = explode('.', $table);
-            $name             = $schema . '.' . $name;
-        }
-
         if (count($columns) === 0) {
             throw new InvalidArgumentException(sprintf(
                 'Incomplete or invalid index definition %s on table %s',
@@ -967,6 +962,11 @@ public function getCreateIndexSQL(Index $index, $table)
             return $this->getCreatePrimaryKeySQL($index, $table);
         }
 
+        if (strpos($table, '.') !== false) {
+            [$schema, $table] = explode('.', $table, 2);
+            $name             = $schema . '.' . $name;
+        }
+
         $query  = 'CREATE ' . $this->getCreateIndexSQLFlags($index) . 'INDEX ' . $name . ' ON ' . $table;
         $query .= ' (' . $this->getIndexFieldDeclarationListSQL($index) . ')' . $this->getPartialIndexSQL($index);
 

tests/Platforms/SqlitePlatformTest.php

@@ -6,12 +6,17 @@
 use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Platforms\SqlitePlatform;
 use Doctrine\DBAL\Schema\Column;
+use Doctrine\DBAL\Schema\Index;
 use Doctrine\DBAL\Schema\Table;
 use Doctrine\DBAL\Schema\TableDiff;
 use Doctrine\DBAL\TransactionIsolationLevel;
 use Doctrine\DBAL\Types\Type;
 use Doctrine\DBAL\Types\Types;
 
+use function assert;
+use function implode;
+use function is_string;
+
 /** @extends AbstractPlatformTestCase<SqlitePlatform> */
 class SqlitePlatformTest extends AbstractPlatformTestCase
 {
@@ -250,6 +255,37 @@ public function getGenerateUniqueIndexSql(): string
         return 'CREATE UNIQUE INDEX index_name ON test (test, test2)';
     }
 
+    public function testGeneratesIndexCreationSqlWithSchema(): void
+    {
+        $indexDef = new Index('i', ['a', 'b']);
+
+        self::assertSame(
+            'CREATE INDEX main.i ON mytable (a, b)',
+            $this->platform->getCreateIndexSQL($indexDef, 'main.mytable'),
+        );
+    }
+
+    public function testGeneratesPrimaryIndexCreationSqlWithSchema(): void
+    {
+        $primaryIndexDef = new Index('i2', ['a', 'b'], false, true);
+
+        self::assertSame(
+            'TEST: main.mytable, i2 - a, b',
+            (new class () extends SqlitePlatform {
+                /**
+                 * {@inheritDoc}
+                 */
+                public function getCreatePrimaryKeySQL(Index $index, $table)
+                {
+                    assert(is_string($table));
+
+                    return 'TEST: ' . $table . ', ' . $index->getName()
+                        . ' - ' . implode(', ', $index->getColumns());
+                }
+            })->getCreateIndexSQL($primaryIndexDef, 'main.mytable'),
+        );
+    }
+
     public function testGeneratesForeignKeyCreationSql(): void
     {
         $this->expectException(Exception::class);