configurable chunk size (calebporzio#92)

README.md

@@ -168,3 +168,10 @@ class Currency extends Model
     }
 }
 ```
+
+### Troubleshoot
+
+**ERROR:** `SQLSTATE[HY000]: General error: 1 too many SQL variables`
+
+By default Sushi uses chunks of `100` to insert your data in the SQLite database. In some scenarios this might hit some SQLite limits.
+You can configure the chunk size in the model: `public $sushiInsertChunkSize = 50;`

src/Sushi.php

@@ -105,7 +105,7 @@ public function migrate()
             $this->createTableWithNoData($tableName);
         }
 
-        foreach (array_chunk($rows, 100) ?? [] as $inserts) {
+        foreach (array_chunk($rows, $this->getSushiInsertChunkSize()) ?? [] as $inserts) {
             if (!empty($inserts)) {
                 static::insert($inserts);
             }
@@ -187,4 +187,8 @@ public function usesTimestamps()
             ? parent::usesTimestamps()
             : false;
     }
+
+    public function getSushiInsertChunkSize() {
+        return $this->sushiInsertChunkSize ?? 100;
+    }
 }