First Commit

ext/libpqxx-7.7.3/src/field.cxx

@@ -0,0 +1,80 @@
+/** Implementation of the pqxx::field class.
+ *
+ * pqxx::field refers to a field in a query result.
+ *
+ * Copyright (c) 2000-2022, Jeroen T. Vermeulen.
+ *
+ * See COPYING for copyright license.  If you did not receive a file called
+ * COPYING with this source code, please notify the distributor of this
+ * mistake, or contact the author.
+ */
+#include "pqxx-source.hxx"
+
+#include <cstring>
+
+#include "pqxx/internal/header-pre.hxx"
+
+#include "pqxx/field.hxx"
+#include "pqxx/internal/libpq-forward.hxx"
+#include "pqxx/result.hxx"
+#include "pqxx/row.hxx"
+
+#include "pqxx/internal/header-post.hxx"
+
+
+pqxx::field::field(pqxx::row const &r, pqxx::row::size_type c) noexcept :
+        m_col{c}, m_home{r.m_result}, m_row{r.m_index}
+{}
+
+
+bool PQXX_COLD pqxx::field::operator==(field const &rhs) const
+{
+  if (is_null() and rhs.is_null())
+    return true;
+  if (is_null() != rhs.is_null())
+    return false;
+  auto const s{size()};
+  return (s == std::size(rhs)) and (std::memcmp(c_str(), rhs.c_str(), s) == 0);
+}
+
+
+char const *pqxx::field::name() const &
+{
+  return home().column_name(col());
+}
+
+
+pqxx::oid pqxx::field::type() const
+{
+  return home().column_type(col());
+}
+
+
+pqxx::oid pqxx::field::table() const
+{
+  return home().column_table(col());
+}
+
+
+pqxx::row::size_type pqxx::field::table_column() const
+{
+  return home().table_column(col());
+}
+
+
+char const *pqxx::field::c_str() const &
+{
+  return home().get_value(idx(), col());
+}
+
+
+bool pqxx::field::is_null() const noexcept
+{
+  return home().get_is_null(idx(), col());
+}
+
+
+pqxx::field::size_type pqxx::field::size() const noexcept
+{
+  return home().get_length(idx(), col());
+}