public SortOrderSpec(QueryExpression queryExpression, SortOrder sortOrder, SortOrderSpec parent = null) : this(parent)
{
if (queryExpression != null)
{
Expressions.Add(new ExpressionWithSortOrder(queryExpression, sortOrder));
}
}
public SortOrderSpec(SortOrderSpec parent = null)
{
if (parent != null)
{
Expressions.AddRange(parent.Expressions);
}
}
public SortOrderSpec(LambdaExpression lambda, SortOrder sortOrder, SortOrderSpec parent = null) : this(parent)
{
if (lambda != null)
{
Expressions.Add(new ExpressionWithSortOrder(new LambdaQueryExpression(lambda), sortOrder));
}
}
public QuerySpec CreateQuerySpec(FilterSpec filter, ScalarSpec expression, SortOrderSpec sortOrder, int?skip, int?take, TableSchema schema)
{
throw new NotSupportedException();
}
internal QuerySpec CreateQuerySpec(FilterSpec filter, ScalarSpec scalarSpec = null, int?skip = null, int?take = null, SortOrderSpec sortSpec = null)
{
if (DataProvider.SupportsQueryTranslation())
{
return(DataProvider.CreateQuerySpec(filter, scalarSpec, sortSpec, skip, take, Schema));
}
var querySpec = new QuerySpec(new CodeQuerySpec(), null);
var codeQuerySpec = (CodeQuerySpec)querySpec.Code;
if (filter != null)
{
foreach (var expression in filter.Expressions)
{
codeQuerySpec.AddFilter(Schema, expression);
}
}
if (sortSpec != null)
{
foreach (var expression in sortSpec.Expressions)
{
codeQuerySpec.AddSort(Schema, expression.Expression, expression.SortOrder);
}
}
if (scalarSpec != null)
{
codeQuerySpec.AddScalar(Schema, scalarSpec.Expression);
}
codeQuerySpec.Skip = skip;
codeQuerySpec.Take = take;
return(querySpec);
}