// file      : odb/pgsql/query.txx
// author    : Constantin Michael <constantin@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license   : GNU GPL v2; see accompanying LICENSE file

namespace odb
{
  namespace pgsql
  {
    // query
    //

    template <database_type_id ID>
    query::
    query (const query_column<bool, ID>& c)
        : binding_ (0, 0), native_binding_ (0, 0, 0, 0)
    {
      clause_.push_back (clause_part (clause_part::column, c.name ()));

      // Cannot use IS TRUE here since database type can be a non-
      // integral type.
      //
      clause_.push_back (clause_part (clause_part::native, "="));
      append<bool, ID> (val_bind<bool> (true));
    }

    // query_column
    //
    template <typename T, database_type_id ID>
    query query_column<T, ID>::
    in (const T& v1, const T& v2) const
    {
      query q (name_, query::clause_part::column);
      q += "IN (";
      q.append<T, ID> (val_bind<T> (v1));
      q += ",";
      q.append<T, ID> (val_bind<T> (v2));
      q += ")";
      return q;
    }

    template <typename T, database_type_id ID>
    query query_column<T, ID>::
    in (const T& v1, const T& v2, const T& v3) const
    {
      query q (name_, query::clause_part::column);
      q += "IN (";
      q.append<T, ID> (val_bind<T> (v1));
      q += ",";
      q.append<T, ID> (val_bind<T> (v2));
      q += ",";
      q.append<T, ID> (val_bind<T> (v3));
      q += ")";
      return q;
    }

    template <typename T, database_type_id ID>
    query query_column<T, ID>::
    in (const T& v1, const T& v2, const T& v3, const T& v4) const
    {
      query q (name_, query::clause_part::column);
      q += "IN (";
      q.append<T, ID> (val_bind<T> (v1));
      q += ",";
      q.append<T, ID> (val_bind<T> (v2));
      q += ",";
      q.append<T, ID> (val_bind<T> (v3));
      q += ",";
      q.append<T, ID> (val_bind<T> (v4));
      q += ")";
      return q;
    }

    template <typename T, database_type_id ID>
    query query_column<T, ID>::
    in (const T& v1, const T& v2, const T& v3, const T& v4, const T& v5) const
    {
      query q (name_, query::clause_part::column);
      q += "IN (";
      q.append<T, ID> (val_bind<T> (v1));
      q += ",";
      q.append<T, ID> (val_bind<T> (v2));
      q += ",";
      q.append<T, ID> (val_bind<T> (v3));
      q += ",";
      q.append<T, ID> (val_bind<T> (v4));
      q += ",";
      q.append<T, ID> (val_bind<T> (v5));
      q += ")";
      return q;
    }

    template <typename T, database_type_id ID>
    template <typename I>
    query query_column<T, ID>::
    in_range (I begin, I end) const
    {
      query q (name_, query::clause_part::column);
      q += "IN (";

      for (I i (begin); i != end; ++i)
      {
        if (i != begin)
          q += ",";

        q.append<T, ID> (val_bind<T> (*i));
      }
      q += ")";
      return q;
    }
  }
}