/// <summary>
/// Update a database record from the supplied data transfer object.
/// </summary>
/// <param name="transaction">
/// The current transaction to the database.
/// </param>
/// <param name="partition">
/// The database partition (schema) where the requested resource will be updated.
/// </param>
/// <param name="discussionItem">
/// The discussionItem DTO that is to be updated.
/// </param>
/// <param name="container">
/// The container of the DTO to be updated.
/// </param>
/// <returns>
/// True if the concept was successfully updated.
/// </returns>
public virtual bool Update(NpgsqlTransaction transaction, string partition, CDP4Common.DTO.DiscussionItem discussionItem, CDP4Common.DTO.Thing container = null)
{
bool isHandled;
var valueTypeDictionaryAdditions = new Dictionary <string, string>();
var beforeUpdate = this.BeforeUpdate(transaction, partition, discussionItem, container, out isHandled, valueTypeDictionaryAdditions);
if (!isHandled)
{
beforeUpdate = beforeUpdate && base.Update(transaction, partition, discussionItem, container);
using (var command = new NpgsqlCommand())
{
var sqlBuilder = new System.Text.StringBuilder();
sqlBuilder.AppendFormat("UPDATE \"{0}\".\"DiscussionItem\"", partition);
sqlBuilder.AppendFormat(" SET (\"ReplyTo\")");
sqlBuilder.AppendFormat(" = (:replyTo)");
sqlBuilder.AppendFormat(" WHERE \"Iid\" = :iid;");
command.Parameters.Add("iid", NpgsqlDbType.Uuid).Value = discussionItem.Iid;
command.Parameters.Add("replyTo", NpgsqlDbType.Uuid).Value = !this.IsDerived(discussionItem, "ReplyTo") ? Utils.NullableValue(discussionItem.ReplyTo) : Utils.NullableValue(null);
command.CommandText = sqlBuilder.ToString();
command.Connection = transaction.Connection;
command.Transaction = transaction;
this.ExecuteAndLogCommand(command);
}
}
return(this.AfterUpdate(beforeUpdate, transaction, partition, discussionItem, container));
}
/// <summary>
/// Insert a new database record, or updates one if it already exists from the supplied data transfer object.
/// This is typically used during the import of existing data to the Database.
/// </summary>
/// <param name="transaction">
/// The current <see cref="NpgsqlTransaction"/> to the database.
/// </param>
/// <param name="partition">
/// The database partition (schema) where the requested resource will be stored.
/// </param>
/// <param name="discussionItem">
/// The discussionItem DTO that is to be persisted.
/// </param>
/// <param name="container">
/// The container of the DTO to be persisted.
/// </param>
/// <returns>
/// True if the concept was successfully persisted.
/// </returns>
public virtual bool Upsert(NpgsqlTransaction transaction, string partition, CDP4Common.DTO.DiscussionItem discussionItem, CDP4Common.DTO.Thing container = null)
{
var valueTypeDictionaryAdditions = new Dictionary <string, string>();
base.Upsert(transaction, partition, discussionItem, container);
using (var command = new NpgsqlCommand())
{
var sqlBuilder = new System.Text.StringBuilder();
sqlBuilder.AppendFormat("INSERT INTO \"{0}\".\"DiscussionItem\"", partition);
sqlBuilder.AppendFormat(" (\"Iid\", \"ReplyTo\")");
sqlBuilder.AppendFormat(" VALUES (:iid, :replyTo)");
command.Parameters.Add("iid", NpgsqlDbType.Uuid).Value = discussionItem.Iid;
command.Parameters.Add("replyTo", NpgsqlDbType.Uuid).Value = !this.IsDerived(discussionItem, "ReplyTo") ? Utils.NullableValue(discussionItem.ReplyTo) : Utils.NullableValue(null);
sqlBuilder.Append(" ON CONFLICT (\"Iid\")");
sqlBuilder.Append(" DO UPDATE ");
sqlBuilder.Append(" SET \"ReplyTo\"");
sqlBuilder.Append(" = :replyTo;");
command.CommandText = sqlBuilder.ToString();
command.Connection = transaction.Connection;
command.Transaction = transaction;
this.ExecuteAndLogCommand(command);
}
return(true);
}