/// <summary>
/// SqlDataAdapter
/// </summary>
/// <param name="sql"></param>
/// <param name="_sqlConnection"></param>
public KdbndpDataAdapter(string sql, KdbndpConnection _sqlConnection)
{
this.sql = sql;
this._sqlConnection = _sqlConnection;
}
internal static KdbndpCommand GetKdbndpCommand <T>(DbContext context, Type type, IList <T> entities, TableInfo tableInfo, KdbndpConnection connection, KdbndpTransaction transaction)
{
KdbndpCommand command = connection.CreateCommand();
command.Transaction = transaction;
var operationType = tableInfo.BulkConfig.OperationType;
switch (operationType)
{
case OperationType.Insert:
command.CommandText = SqlQueryBuilderSqlite.InsertIntoTable(tableInfo, OperationType.Insert);
break;
case OperationType.InsertOrUpdate:
command.CommandText = SqlQueryBuilderSqlite.InsertIntoTable(tableInfo, OperationType.InsertOrUpdate);
break;
case OperationType.InsertOrUpdateDelete:
throw new NotSupportedException("Sqlite supports only UPSERT(analog for MERGE WHEN MATCHED) but does not have functionality to do: 'WHEN NOT MATCHED BY SOURCE THEN DELETE'" +
"What can be done is to read all Data, find rows that are not in input List, then with those do the BulkDelete.");
case OperationType.Update:
command.CommandText = SqlQueryBuilderSqlite.UpdateSetTable(tableInfo);
break;
case OperationType.Delete:
command.CommandText = SqlQueryBuilderSqlite.DeleteFromTable(tableInfo);
break;
}
type = tableInfo.HasAbstractList ? entities[0].GetType() : type;
var entityType = context.Model.FindEntityType(type);
var entityPropertiesDict = entityType.GetProperties().Where(a => tableInfo.PropertyColumnNamesDict.ContainsKey(a.Name)).ToDictionary(a => a.Name, a => a);
var properties = type.GetProperties();
foreach (var property in properties)
{
if (entityPropertiesDict.ContainsKey(property.Name))
{
var propertyEntityType = entityPropertiesDict[property.Name];
string columnName = propertyEntityType.GetColumnName();
var propertyType = Nullable.GetUnderlyingType(property.PropertyType) ?? property.PropertyType;
/*var sqliteType = SqliteType.Text; // "String" || "Decimal" || "DateTime"
* if (propertyType.Name == "Int16" || propertyType.Name == "Int32" || propertyType.Name == "Int64")
* sqliteType = SqliteType.Integer;
* if (propertyType.Name == "Float" || propertyType.Name == "Double")
* sqliteType = SqliteType.Real;
* if (propertyType.Name == "Guid" )
* sqliteType = SqliteType.Blob; */
var parameter = new KdbndpParameter($"@{columnName}", propertyType); // ,sqliteType // ,null
command.Parameters.Add(parameter);
}
}
var shadowProperties = tableInfo.ShadowProperties;
foreach (var shadowProperty in shadowProperties)
{
var parameter = new KdbndpParameter($"@{shadowProperty}", typeof(string));
command.Parameters.Add(parameter);
}
command.Prepare(); // Not Required (check if same efficiency when removed)
return(command);
}
