sequence table progress

include/matador/query/basic_schema.hpp

@@ -77,6 +77,11 @@ public:
   basic_schema();
   explicit basic_schema(const std::string &name);
 
+  [[nodiscard]] std::string name() const;
+
+  [[nodiscard]] const object::repository &repo() const;
+  object::repository &repo();
+
   [[nodiscard]] utils::result<void, utils::error> create(const sql::connection &conn) const;
   [[nodiscard]] utils::result<void, utils::error> drop(const sql::connection &conn) const;
 

include/matador/query/schema.hpp

@@ -245,9 +245,6 @@ public:
     return basic_schema::contains(std::type_index(typeid(Type)));
   }
 
-  [[nodiscard]] const object::repository &repo() const { return repo_; }
-  object::repository &repo() { return repo_; }
-
   void dump(std::ostream &os) const;
 
 private:

source/orm/query/basic_schema.cpp

@@ -1,5 +1,6 @@
 #include "matador/query/basic_schema.hpp"
 
+#include "matador/query/builder.hpp"
 #include "matador/query/query.hpp"
 
 #include "matador/sql/connection.hpp"
@@ -51,6 +52,18 @@ basic_schema::basic_schema(const std::string &name)
 : repo_(name) {
 }
 
+std::string basic_schema::name() const {
+  return repo_.name();
+}
+
+const object::repository& basic_schema::repo() const {
+  return repo_;
+}
+
+object::repository& basic_schema::repo() {
+  return repo_;
+}
+
 utils::result<void, utils::error> basic_schema::create(const sql::connection &conn) const {
   std::vector<std::string> fk_sql_commands;
 
@@ -271,7 +284,27 @@ utils::result<void, utils::error> setup_primary_key_generator(const basic_schema
         return utils::failure(result.err());
       }
     } else if (node.pk_generator().type() == utils::generator_type::Table) {
+      if (const auto result = conn.exists(scm.name(), "sequence_table"); result) {
+        if (!*result) {
+          const auto exec_result = create()
+            .table("sequence_table")
+            .columns({
+              column("name", utils::basic_type::Varchar, 255),
+              column("next_id", utils::basic_type::Int64)
+            })
+            .execute(conn);
+          if (!exec_result) {
+            return utils::failure(exec_result.err());
+          }
+        }
+      } else {
+        return utils::failure(result.err());
+      }
 
+      const auto insert_result = insert().into("sequence_table", {"name", "next_id"}).values({node.name(), 1}).execute(conn);
+      if (!insert_result) {
+        return utils::failure(insert_result.err());
+      }
     }
   }
 
@@ -286,7 +319,10 @@ utils::result<void, utils::error> cleanup_primary_key_generator(const basic_sche
         return utils::failure(result.err());
       }
     } else if (node.pk_generator().type() == utils::generator_type::Table) {
-
+      const auto result = drop().sequence(node.name() + "_pk_seq").execute(conn);
+      if (!result) {
+        return utils::failure(result.err());
+      }
     }
   }
 

source/orm/query/schema.cpp

@@ -52,7 +52,7 @@ schema::iterator schema::insert_table(const std::type_index &ti, const object::r
       pk_generator = std::make_unique<sequence_pk_generator>(node.name() + "_pk_seq");
       break;
     case utils::generator_type::Table:
-      pk_generator = std::make_unique<table_pk_generator>("TABLE_SEQS", node.name());
+      pk_generator = std::make_unique<table_pk_generator>("sequence_table", node.name());
       break;
     default:
       pk_generator = std::make_unique<manual_pk_generator>();

test/backends/SessionInsertHasMany.cpp

@@ -124,3 +124,23 @@ TEST_CASE_METHOD(SessionFixture, "Test insert object with has many relation with
   auto res = ses.insert(s_king);
   REQUIRE(res.is_ok());
 }
+
+TEST_CASE_METHOD(SessionFixture, "Test insert object with has many relation with table sequence", "[session][insert][has_many][table_sequence]") {
+  const auto result = schema.attach<book_table>("books")
+    .and_then( [this] { return schema.attach<author_table>("authors"); } )
+    .and_then([this] { return schema.create(db); } );
+  REQUIRE(result.is_ok());
+
+  session ses({bus, connection::dns, 4}, schema);
+
+  auto s_king = make_object<author_table>("Steven King");
+
+  s_king->books.push_back(make_object<book_table>("Carrie", nullobj, 1974));
+  s_king->books.push_back(make_object<book_table>("The Shining", nullobj, 1977));
+  s_king->books.push_back(make_object<book_table>("It", nullobj, 1986));
+  s_king->books.push_back(make_object<book_table>("Misery", nullobj, 1987));
+  s_king->books.push_back(make_object<book_table>("The Dark Tower: The Gunslinger", nullobj, 1982));
+
+  auto res = ses.insert(s_king);
+  REQUIRE(res.is_ok());
+}