sequence tests progress

backends/postgres/include/postgres_connection.hpp

@@ -38,6 +38,8 @@ public:
   utils::result<std::vector<object::attribute>, utils::error> describe(const std::string& table) override;
   utils::result<bool, utils::error> exists(const std::string &schema_name, const std::string &table_name) override;
 
+  utils::result<bool, utils::error> sequence_exists(const std::string &schema_name, const std::string &sequence_name) override;
+
   [[nodiscard]] std::string to_escaped_string( const utils::blob_type_t& value ) const override;
 
 private:

backends/postgres/src/postgres_connection.cpp

@@ -298,6 +298,10 @@ utils::result<bool, utils::error> postgres_connection::exists(const std::string
   return utils::ok(*result == 1);
 }
 
+utils::result<bool, utils::error> postgres_connection::sequence_exists(const std::string& schema_name, const std::string& sequence_name) {
+  return utils::ok(false);
+}
+
 std::string postgres_connection::to_escaped_string(const utils::blob_type_t &value) const {
   size_t escapedDataLength;
   unsigned char *escapedData = PQescapeByteaConn(conn_, value.data(), value.size(), &escapedDataLength);

backends/postgres/test/CMakeLists.txt

@@ -34,6 +34,8 @@ set(TEST_SOURCES
   ../../../test/utils/record_printer.hpp
   ../../../test/utils/record_printer.cpp
   ../../../test/models/model_metas.hpp
+        ../../../test/backends/SequenceFixture.hpp
+        ../../../test/backends/SequenceFixture.cpp
 )
 
 set(LIBRARY_TEST_TARGET PostgresTests)