public static DbCommand CreateBulkQueryCommand(
DbConnection connection,
string sqlStatement,
IEnumerable parameters,
bool paramsAsList,
SourceAdapterBuilderDelegate sourceAdapterBuilder,
TargetAdapterBuilderDelegate adapterBuilder)
{
ColumnMetadataList metadata = null;
// ReSharper disable once LoopCanBeConvertedToQuery
foreach (var param in parameters)
{
metadata = new ColumnMetadataList {
new ColumnMetadata
{
ColumnName = "P",
DataType = param.GetType()
}
};
break;
}
if (metadata == null)
{
throw new InvalidOperationException("parameters enumerable is empty");
}
return(CreateBulkQueryCommand(connection, sqlStatement, metadata, parameters, paramsAsList, sourceAdapterBuilder, adapterBuilder));
}
public static DbCommand CreateBulkQueryCommand(
DbConnection connection,
string sqlStatement,
ColumnMetadataList metadata,
IEnumerable parameters,
bool paramsAsList,
SourceAdapterBuilderDelegate sourceAdapterBuilder,
TargetAdapterBuilderDelegate adapterBuilder)
{
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
if (connection == null)
{
throw new ArgumentNullException(nameof(connection));
}
if (metadata == null)
{
throw new ArgumentNullException(nameof(metadata));
}
if (sourceAdapterBuilder == null)
{
throw new ArgumentNullException(nameof(sourceAdapterBuilder));
}
if (adapterBuilder == null)
{
throw new ArgumentNullException(nameof(adapterBuilder));
}
var sourceAdapter = sourceAdapterBuilder(parameters, metadata);
var adapter = adapterBuilder(sqlStatement, metadata, connection, paramsAsList);
adapter.Prepare(sourceAdapter);
try
{
foreach (var row in sourceAdapter.RowsEnumerable)
{
adapter.Process(row);
}
adapter.BindParameters();
return(adapter.TakeCommand());
}
finally
{
adapter.UnPrepare();
}
}
