diff --git a/src/Connection.php b/src/Connection.php
index 41cdb87f..c231246c 100644
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -280,7 +280,7 @@ public function cursorWithOptions(string $query, array $bindings, array $options
     /**
      * @inheritDoc
      */
-    public function statement($query, $bindings = []): bool
+    public function statement($query, $bindings = [], array $types = []): bool
     {
         // is SELECT query
         if (0 === stripos(ltrim($query), 'select')) {
@@ -291,7 +291,7 @@ public function statement($query, $bindings = []): bool
         if (0 === stripos(ltrim($query), 'insert') ||
             0 === stripos(ltrim($query), 'update') ||
             0 === stripos(ltrim($query), 'delete')) {
-            return $this->affectingStatement($query, $bindings) !== null;
+            return $this->affectingStatement($query, $bindings, $types) !== null;
         }
 
         // is DDL Query
@@ -301,11 +301,27 @@ public function statement($query, $bindings = []): bool
     /**
      * @inheritDoc
      */
-    public function affectingStatement($query, $bindings = []): int
+    public function insert($query, $bindings = [], array $types = []): bool
+    {
+        return $this->statement($query, $bindings, $types);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function update($query, $bindings = [], array $types = []): int
+    {
+        return $this->affectingStatement($query, $bindings, $types);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function affectingStatement($query, $bindings = [], array $types = []): int
     {
         /** @var Closure(): int $runQueryCall */
-        $runQueryCall = function () use ($query, $bindings) {
-            return $this->run($query, $bindings, function ($query, $bindings) {
+        $runQueryCall = function () use ($query, $bindings, $types) {
+            return $this->run($query, $bindings, function ($query, $bindings) use ($types) {
                 if ($this->pretending()) {
                     return 0;
                 }
@@ -316,7 +332,10 @@ public function affectingStatement($query, $bindings = []): int
                     throw new RuntimeException('Tried to run update outside of transaction! Affecting statements must be done inside a transaction');
                 }
 
-                $rowCount = $transaction->executeUpdate($query, ['parameters' => $this->prepareBindings($bindings)]);
+                $rowCount = $transaction->executeUpdate($query, [
+                    'parameters' => $this->prepareBindings($bindings),
+                    'types' => $types,
+                ]);
 
                 $this->recordsHaveBeenModified($rowCount > 0);
 
diff --git a/src/Eloquent/Model.php b/src/Eloquent/Model.php
index 5cc79542..d25450ec 100644
--- a/src/Eloquent/Model.php
+++ b/src/Eloquent/Model.php
@@ -17,6 +17,7 @@
 
 namespace Colopl\Spanner\Eloquent;
 
+use Colopl\Spanner\Query\Builder;
 use Illuminate\Database\Eloquent\Model as BaseModel;
 use Illuminate\Database\Eloquent\Relations\Relation;
 use Illuminate\Support\Str;
@@ -39,6 +40,24 @@ class Model extends BaseModel
      */
     public $incrementing = false;
 
+    /**
+     * @var string[]
+     */
+    protected $types = [];
+
+    /** 
+     * @inheritDoc
+     */
+    public function newModelQuery()
+    {
+        /** @var Builder */
+        $baseQueryBuilder = $this->newBaseQueryBuilder();
+
+        return $this->newEloquentBuilder(
+            $baseQueryBuilder->setTypes($this->types)
+        )->setModel($this);
+    }
+
     /**
      * @param BaseModel|Relation $query
      * @param mixed $value
diff --git a/src/Query/Builder.php b/src/Query/Builder.php
index b7488832..f887f000 100644
--- a/src/Query/Builder.php
+++ b/src/Query/Builder.php
@@ -34,12 +34,95 @@ class Builder extends BaseBuilder
      */
     public $connection;
 
+    /**
+     * @var string[]
+     */
+    protected $types = [];
+
+    /**
+     * @param string[] $types
+     * @return $this
+     */
+    public function setTypes($types)
+    {
+        $this->types = $types;
+        return $this;
+    }
+
     /**
      * @inheritDoc
      */
     public function insert(array $values)
     {
-        return parent::insert($this->prepareInsertForDml($values));
+        $values = $this->prepareInsertForDml($values);
+
+        if (empty($values))
+            return true;
+
+        if (! is_array(reset($values))) {
+            $values = [$values];
+        } else {
+            foreach ($values as $key => $value) {
+                /** @var array $value */
+                ksort($value);
+                $values[$key] = $value;
+            }
+        }
+
+        $sql = $this->grammar->compileInsert($this, $values);
+
+        // Detect spanner types from values and create a binding compatible array of types
+        $types = [];
+        $i = 0;
+        foreach ($values as $key => $value) {
+            /** @var array $value */
+            foreach ($value as $k => $v) {
+                $type = $this->checkForType($i, $k, $v, $sql);
+                if(count($type)) $types[$type[0]] = $type[1];
+                $i++;
+            }
+        }
+
+        $this->applyBeforeQueryCallbacks();
+
+        return $this->connection->insert($sql, $this->cleanBindings(Arr::flatten($values, 1)), $types);
+    }
+
+    public function update(array $values)
+    {
+        $this->applyBeforeQueryCallbacks();
+
+        $sql = $this->grammar->compileUpdate($this, $values);
+
+        // Detect spanner types from values and create a binding compatible array of types
+        $types = [];
+        $i = 0;
+        foreach ($values as $key => $value) {
+            $type = $this->checkForType($i, $key, $value, $sql);
+            if(count($type)) $types[$type[0]] = $type[1];
+            $i++;
+        }
+
+        return $this->connection->update($sql, $this->cleanBindings(
+            $this->grammar->prepareBindingsForUpdate($this->bindings, $values)
+        ), $types);
+    }
+
+    /**
+     * @return string[]
+     */
+    public function checkForType(int $i, string|int $key, mixed $value, string $sql = '')
+    {
+        if(!array_key_exists($key, $this->types)) return [];
+        if($value == null) return [];
+
+        if (is_array($value)) {
+            /** @var array $value */
+            if(!count($value)) return [];
+        }
+        if (is_string($value) && Parameterizer::hasLikeWildcard($sql, $value)) return [];
+
+        return ["p$i", $this->types[$key]];
     }
 
     /**
diff --git a/src/Query/Parameterizer.php b/src/Query/Parameterizer.php
index 7b4e6957..ed293c2a 100644
--- a/src/Query/Parameterizer.php
+++ b/src/Query/Parameterizer.php
@@ -72,7 +72,7 @@ public function parameterizeQuery(string $query, array $bindings): array
      * @param string $value
      * @return bool
      */
-    private static function hasLikeWildcard(string $query, string $value)
+    public static function hasLikeWildcard(string $query, string $value)
     {
         return Str::contains(strtolower($query), 'like')
             && Str::contains($value, ['%', '_'])