/// <summary>
/// Insert a new 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 stored.
/// </param>
/// <param name="definedThing">
/// The definedThing 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 Write(NpgsqlTransaction transaction, string partition, CDP4Common.DTO.DefinedThing definedThing, CDP4Common.DTO.Thing container = null)
{
bool isHandled;
var valueTypeDictionaryAdditions = new Dictionary <string, string>();
var beforeWrite = this.BeforeWrite(transaction, partition, definedThing, container, out isHandled, valueTypeDictionaryAdditions);
if (!isHandled)
{
beforeWrite = beforeWrite && base.Write(transaction, partition, definedThing, container);
var valueTypeDictionaryContents = new Dictionary <string, string>
{
{ "Name", !this.IsDerived(definedThing, "Name") ? definedThing.Name.Escape() : string.Empty },
{ "ShortName", !this.IsDerived(definedThing, "ShortName") ? definedThing.ShortName.Escape() : string.Empty },
}.Concat(valueTypeDictionaryAdditions).ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
using (var command = new NpgsqlCommand())
{
var sqlBuilder = new System.Text.StringBuilder();
sqlBuilder.AppendFormat("INSERT INTO \"{0}\".\"DefinedThing\"", partition);
sqlBuilder.AppendFormat(" (\"Iid\", \"ValueTypeDictionary\")");
sqlBuilder.AppendFormat(" VALUES (:iid, :valueTypeDictionary);");
command.Parameters.Add("iid", NpgsqlDbType.Uuid).Value = definedThing.Iid;
command.Parameters.Add("valueTypeDictionary", NpgsqlDbType.Hstore).Value = valueTypeDictionaryContents;
command.CommandText = sqlBuilder.ToString();
command.Connection = transaction.Connection;
command.Transaction = transaction;
this.ExecuteAndLogCommand(command);
}
}
return(this.AfterWrite(beforeWrite, transaction, partition, definedThing, 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="definedThing">
/// The definedThing 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.DefinedThing definedThing, CDP4Common.DTO.Thing container = null)
{
var valueTypeDictionaryAdditions = new Dictionary <string, string>();
base.Upsert(transaction, partition, definedThing, container);
var valueTypeDictionaryContents = new Dictionary <string, string>
{
{ "Name", !this.IsDerived(definedThing, "Name") ? definedThing.Name.Escape() : string.Empty },
{ "ShortName", !this.IsDerived(definedThing, "ShortName") ? definedThing.ShortName.Escape() : string.Empty },
}.Concat(valueTypeDictionaryAdditions).ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
using (var command = new NpgsqlCommand())
{
var sqlBuilder = new System.Text.StringBuilder();
sqlBuilder.AppendFormat("INSERT INTO \"{0}\".\"DefinedThing\"", partition);
sqlBuilder.AppendFormat(" (\"Iid\", \"ValueTypeDictionary\")");
sqlBuilder.AppendFormat(" VALUES (:iid, :valueTypeDictionary)");
command.Parameters.Add("iid", NpgsqlDbType.Uuid).Value = definedThing.Iid;
command.Parameters.Add("valueTypeDictionary", NpgsqlDbType.Hstore).Value = valueTypeDictionaryContents;
sqlBuilder.Append(" ON CONFLICT (\"Iid\")");
sqlBuilder.Append(" DO UPDATE ");
sqlBuilder.Append(" SET \"ValueTypeDictionary\"");
sqlBuilder.Append(" = :valueTypeDictionary;");
command.CommandText = sqlBuilder.ToString();
command.Connection = transaction.Connection;
command.Transaction = transaction;
this.ExecuteAndLogCommand(command);
}
return(true);
}