diff --git a/include/matador/query/identity_pk_generator.hpp b/include/matador/query/identity_pk_generator.hpp
new file mode 100644
index 0000000..64a7900
--- /dev/null
+++ b/include/matador/query/identity_pk_generator.hpp
@@ -0,0 +1,14 @@
+#ifndef MATADOR_IDENTITY_PK_GENERATOR_HPP
+#define MATADOR_IDENTITY_PK_GENERATOR_HPP
+
+#include "matador/query/abstract_pk_generator.hpp"
+
+namespace matador::query {
+class identity_pk_generator : public abstract_pk_generator {
+public:
+  identity_pk_generator();
+  [[nodiscard]] utils::result<int64_t, utils::error> next_id(const sql::executor& exec) override;
+  [[nodiscard]] utils::result<int64_t, utils::error> current_id(const sql::executor& exec) override;
+};
+}
+#endif //MATADOR_IDENTITY_PK_GENERATOR_HPP
diff --git a/source/orm/CMakeLists.txt b/source/orm/CMakeLists.txt
index 0d8d62c..92b7186 100644
--- a/source/orm/CMakeLists.txt
+++ b/source/orm/CMakeLists.txt
@@ -218,6 +218,8 @@ add_library(matador-orm STATIC
   sql/resolver_service.cpp
   sql/statement.cpp
   sql/statement_cache.cpp
+  ../../include/matador/query/identity_pk_generator.hpp
+  query/identity_pk_generator.cpp
 )
 
 target_include_directories(matador-orm
diff --git a/source/orm/query/identity_pk_generator.cpp b/source/orm/query/identity_pk_generator.cpp
new file mode 100644
index 0000000..fcc63fc
--- /dev/null
+++ b/source/orm/query/identity_pk_generator.cpp
@@ -0,0 +1,17 @@
+#include "matador/query/identity_pk_generator.hpp"
+
+#include "matador/sql/error_code.hpp"
+
+namespace matador::query {
+identity_pk_generator::identity_pk_generator()
+: abstract_pk_generator(utils::generator_type::Identity){
+}
+
+utils::result<int64_t, utils::error> identity_pk_generator::next_id(const sql::executor &/*exec*/) {
+  return utils::failure(utils::error(sql::error_code::Failure, "Identity PK generator not implemented"));
+}
+
+utils::result<int64_t, utils::error> identity_pk_generator::current_id(const sql::executor &/*exec*/) {
+  return utils::failure(utils::error(sql::error_code::Failure, "Identity PK generator not implemented"));
+}
+}
diff --git a/source/orm/query/schema.cpp b/source/orm/query/schema.cpp
index c35ef8b..0f2b70b 100644
--- a/source/orm/query/schema.cpp
+++ b/source/orm/query/schema.cpp
@@ -4,6 +4,9 @@
 
 #include "matador/query/query.hpp"
 #include "matador/query/manual_pk_generator.hpp"
+#include "matador/query/identity_pk_generator.hpp"
+#include "matador/query/sequence_pk_generator.hpp"
+#include "matador/query/table_pk_generator.hpp"
 
 #include "matador/object/repository_node.hpp"
 
@@ -160,11 +163,25 @@ sql::query_context schema::build_drop_constraint_context(const object::repositor
       .compile(d);
 }
 
-schema::iterator schema::insert_table(const std::type_index &ti, const object::repository_node &node, const utils::generator_type /*generator_type*/) {
+schema::iterator schema::insert_table(const std::type_index &ti, const object::repository_node &node, const utils::generator_type generator_type) {
   std::vector<table_column> columns;
   for (const auto &attr: node.info().attributes()) {
     columns.emplace_back(nullptr, attr.name(), attr.type(), attr.attributes());
   }
-  return schema_nodes_.insert({ti, schema_node{table(node.name(), columns), std::make_unique<manual_pk_generator>(), node}}).first;
+  std::unique_ptr<abstract_pk_generator> pk_generator;
+  switch (generator_type) {
+    case utils::generator_type::Identity:
+      pk_generator = std::make_unique<identity_pk_generator>();
+      break;
+    case utils::generator_type::Sequence:
+      pk_generator = std::make_unique<sequence_pk_generator>(node.name());
+      break;
+    case utils::generator_type::Table:
+      pk_generator = std::make_unique<table_pk_generator>("TABLE_SEQS", node.name());
+      break;
+    default:
+      pk_generator = std::make_unique<manual_pk_generator>();
+  }
+  return schema_nodes_.insert({ti, schema_node{table(node.name(), columns), std::move(pk_generator), node}}).first;
 }
 } // namespace matador::query