public void AddQuerySourcesRequiringMaterialization(QueryModel queryModel)
{
var requiresMaterializationExpressionVisitor
= _requiresMaterializationExpressionVisitorFactory
.Create(_queryModelVisitor);
var querySourcesRequiringMaterialization = requiresMaterializationExpressionVisitor
.FindQuerySourcesRequiringMaterialization(queryModel);
var groupJoinCompensatingVisitor = new GroupJoinMaterializationCompensatingVisitor();
groupJoinCompensatingVisitor.VisitQueryModel(queryModel);
var blockedMemberPushdownCompensatingVisitor = new BlockedMemberPushdownCompensatingVisitor();
queryModel.TransformExpressions(blockedMemberPushdownCompensatingVisitor.Visit);
var setResultOperatorsCompensatingVisitor = new SetResultOperatorsCompensatingVisitor(this);
setResultOperatorsCompensatingVisitor.VisitQueryModel(queryModel);
_querySourcesRequiringMaterialization.UnionWith(
querySourcesRequiringMaterialization
.Concat(groupJoinCompensatingVisitor.QuerySources)
.Concat(blockedMemberPushdownCompensatingVisitor.QuerySources));
}
/// <summary>
/// Determines all query sources that require materialization.
/// </summary>
/// <param name="queryModelVisitor"> The query model visitor. </param>
/// <param name="queryModel"> The query model. </param>
public virtual void FindQuerySourcesRequiringMaterialization(
[NotNull] EntityQueryModelVisitor queryModelVisitor, [NotNull] QueryModel queryModel)
{
Check.NotNull(queryModelVisitor, nameof(queryModelVisitor));
Check.NotNull(queryModel, nameof(queryModel));
var requiresMaterializationExpressionVisitor
= _requiresMaterializationExpressionVisitorFactory
.Create(queryModelVisitor);
var querySourcesRequiringMaterialization = requiresMaterializationExpressionVisitor
.FindQuerySourcesRequiringMaterialization(queryModel);
var groupJoinCompensatingVisitor = new GroupJoinMaterializationCompensatingVisitor();
groupJoinCompensatingVisitor.VisitQueryModel(queryModel);
var optionalCollectionNavigationCompensatingVisitor = new OptionalCollectionNavigationCompensatingVisitor();
optionalCollectionNavigationCompensatingVisitor.VisitQueryModel(queryModel);
QuerySourcesRequiringMaterialization.UnionWith(
querySourcesRequiringMaterialization
.Concat(groupJoinCompensatingVisitor.QuerySources)
.Concat(optionalCollectionNavigationCompensatingVisitor.QuerySources));
}
/// <summary>
/// Determines all query sources that require materialization.
/// </summary>
/// <param name="queryModelVisitor"> The query model visitor. </param>
/// <param name="queryModel"> The query model. </param>
public virtual void FindQuerySourcesRequiringMaterialization(
[NotNull] EntityQueryModelVisitor queryModelVisitor, [NotNull] QueryModel queryModel)
{
Check.NotNull(queryModelVisitor, nameof(queryModelVisitor));
Check.NotNull(queryModel, nameof(queryModel));
_querySourcesRequiringMaterialization
= _requiresMaterializationExpressionVisitorFactory
.Create(queryModelVisitor)
.FindQuerySourcesRequiringMaterialization(queryModel);
var groupJoinClauses = queryModel.BodyClauses.OfType <GroupJoinClause>().ToList();
if (groupJoinClauses.Any())
{
_querySourcesRequiringMaterialization.Add(queryModel.MainFromClause);
foreach (var groupJoinClause in groupJoinClauses)
{
_querySourcesRequiringMaterialization.Add(groupJoinClause.JoinClause);
var subQueryInnerSequence = groupJoinClause.JoinClause.InnerSequence as SubQueryExpression;
if (subQueryInnerSequence != null)
{
var subQuerySourcesRequiringMaterialization
= _requiresMaterializationExpressionVisitorFactory
.Create(queryModelVisitor)
.FindQuerySourcesRequiringMaterialization(subQueryInnerSequence.QueryModel);
foreach (var subQuerySource in subQuerySourcesRequiringMaterialization)
{
_querySourcesRequiringMaterialization.Add(subQuerySource);
}
}
}
}
}
public virtual void FindQuerySourcesRequiringMaterialization(
[NotNull] EntityQueryModelVisitor queryModelVisitor, [NotNull] QueryModel queryModel)
{
Check.NotNull(queryModelVisitor, nameof(queryModelVisitor));
Check.NotNull(queryModel, nameof(queryModel));
_querySourcesRequiringMaterialization
= _requiresMaterializationExpressionVisitorFactory
.Create(queryModelVisitor)
.FindQuerySourcesRequiringMaterialization(queryModel);
foreach (var groupJoinClause in queryModel.BodyClauses.OfType <GroupJoinClause>())
{
_querySourcesRequiringMaterialization.Add(groupJoinClause.JoinClause);
}
}
/// <summary>
/// Determines all query sources that require materialization.
/// </summary>
/// <param name="queryModelVisitor"> The query model visitor. </param>
/// <param name="queryModel"> The query model. </param>
public virtual void FindQuerySourcesRequiringMaterialization(
[NotNull] EntityQueryModelVisitor queryModelVisitor, [NotNull] QueryModel queryModel)
{
Check.NotNull(queryModelVisitor, nameof(queryModelVisitor));
Check.NotNull(queryModel, nameof(queryModel));
var requiresMaterializationExpressionVisitor
= _requiresMaterializationExpressionVisitorFactory
.Create(queryModelVisitor);
_querySourcesRequiringMaterialization = requiresMaterializationExpressionVisitor
.FindQuerySourcesRequiringMaterialization(queryModel);
var groupJoinMaterializationExpressionVisitor = new RequiresMaterializationForGroupJoinExpressionVisitor();
var groupJoinMaterializationQueryModelVistor = new RequiresMaterializationForGroupJoinQueryModelVisitor(
groupJoinMaterializationExpressionVisitor,
_querySourcesRequiringMaterialization,
requiresMaterializationExpressionVisitor);
groupJoinMaterializationExpressionVisitor.QueryModelVisitor = groupJoinMaterializationQueryModelVistor;
groupJoinMaterializationQueryModelVistor.VisitQueryModel(queryModel);
}
