private void FindImportEntityDuplicate(EntitySchemaQuery esq, List <Entity> entities, ImportParameters parameters,
IEnumerable <ImportColumn> keyColumns, Func <ColumnExpression, object> columnValueAction)
{
var mainFilterGroup = new EntitySchemaQueryFilterCollection(esq, LogicalOperationStrict.Or);
esq.Filters.Add(mainFilterGroup);
var importColumns = keyColumns.ToList();
var keyColumnsCount = importColumns.Count();
foreach (var importEntity in parameters.Entities)
{
var columnsExpressions = GetKeyColumnsValues(parameters, importEntity, importColumns);
if (!columnsExpressions.Any())
{
continue;
}
var filters = GetKeyColumnsFilters(esq, columnsExpressions,
columnValueAction);
mainFilterGroup.Add(filters);
var parametersCount = mainFilterGroup.Count * keyColumnsCount;
if (parametersCount >= MaxQueryParametersCount)
{
AddEntitiesRange(esq, entities);
esq.ResetSelectQuery();
mainFilterGroup.Clear();
}
}
if (mainFilterGroup.Any())
{
AddEntitiesRange(esq, entities);
}
}
