/// <summary>
/// Creates a new instance of <see cref="RelationalProjectionExpressionVisitorFactory" />.
/// </summary>
/// <param name="dependencies"> Parameter object containing dependencies for this service. </param>
public RelationalProjectionExpressionVisitorFactory(
[NotNull] RelationalProjectionExpressionVisitorDependencies dependencies)
{
Check.NotNull(dependencies, nameof(dependencies));
Dependencies = dependencies;
}
/// <summary>
/// Creates a new instance of <see cref="RelationalProjectionExpressionVisitor" />.
/// </summary>
/// <param name="dependencies"> Parameter object containing dependencies for this service. </param>
/// <param name="queryModelVisitor"> The query model visitor. </param>
/// <param name="querySource"> The query source. </param>
public RelationalProjectionExpressionVisitor(
[NotNull] RelationalProjectionExpressionVisitorDependencies dependencies,
[NotNull] RelationalQueryModelVisitor queryModelVisitor,
[NotNull] IQuerySource querySource)
: base(Check.NotNull(queryModelVisitor, nameof(queryModelVisitor)))
{
Check.NotNull(dependencies, nameof(dependencies));
Check.NotNull(querySource, nameof(querySource));
_sqlTranslatingExpressionVisitorFactory = dependencies.SqlTranslatingExpressionVisitorFactory;
_entityMaterializerSource = dependencies.EntityMaterializerSource;
_querySource = querySource;
_targetSelectExpression = QueryModelVisitor.TryGetQuery(querySource);
if (_targetSelectExpression != null)
{
_groupAggregateTargetSelectExpression = _targetSelectExpression.Clone();
_isGroupAggregate = _querySource.ItemType.IsGrouping() && _targetSelectExpression.GroupBy.Count > 0;
if (_isGroupAggregate)
{
_targetSelectExpression.ClearProjection();
}
}
}
/// <summary>
/// Creates a new instance of <see cref="RelationalProjectionExpressionVisitor" />.
/// </summary>
/// <param name="dependencies"> Parameter object containing dependencies for this service. </param>
/// <param name="queryModelVisitor"> The query model visitor. </param>
/// <param name="querySource"> The query source. </param>
public RelationalProjectionExpressionVisitor(
[NotNull] RelationalProjectionExpressionVisitorDependencies dependencies,
[NotNull] RelationalQueryModelVisitor queryModelVisitor,
[NotNull] IQuerySource querySource)
: base(Check.NotNull(queryModelVisitor, nameof(queryModelVisitor)))
{
Check.NotNull(dependencies, nameof(dependencies));
Check.NotNull(querySource, nameof(querySource));
_sqlTranslatingExpressionVisitorFactory = dependencies.SqlTranslatingExpressionVisitorFactory;
_entityMaterializerSource = dependencies.EntityMaterializerSource;
_querySource = querySource;
}