/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public SqlServerQuerySqlGenerator(
[NotNull] QuerySqlGeneratorDependencies dependencies,
[NotNull] SelectExpression selectExpression,
bool rowNumberPagingEnabled)
: base(dependencies, selectExpression)
{
if (rowNumberPagingEnabled)
{
var rowNumberPagingExpressionVisitor = new RowNumberPagingExpressionVisitor();
rowNumberPagingExpressionVisitor.Visit(selectExpression);
}
}
public override void VisitQueryModel(QueryModel queryModel)
{
base.VisitQueryModel(queryModel);
if (ContextOptions.FindExtension <SqlServerOptionsExtension>()?.RowNumberPaging == true)
{
var visitor = new RowNumberPagingExpressionVisitor();
SelectExpression mainSelectExpression;
if (QueriesBySource.TryGetValue(queryModel.MainFromClause, out mainSelectExpression))
{
visitor.Visit(mainSelectExpression);
}
foreach (var additionalSource in queryModel.BodyClauses.OfType <IQuerySource>())
{
SelectExpression additionalFromExpression;
if (QueriesBySource.TryGetValue(additionalSource, out additionalFromExpression))
{
visitor.Visit(mainSelectExpression);
}
}
}
}
public override void VisitQueryModel(QueryModel queryModel)
{
base.VisitQueryModel(queryModel);
if (ContextOptions.FindExtension<SqlServerOptionsExtension>()?.RowNumberPaging == true)
{
var visitor = new RowNumberPagingExpressionVisitor();
SelectExpression mainSelectExpression;
if (QueriesBySource.TryGetValue(queryModel.MainFromClause, out mainSelectExpression))
{
visitor.Visit(mainSelectExpression);
}
foreach (var additionalSource in queryModel.BodyClauses.OfType<IQuerySource>())
{
SelectExpression additionalFromExpression;
if (QueriesBySource.TryGetValue(additionalSource, out additionalFromExpression))
{
visitor.Visit(mainSelectExpression);
}
}
}
}
