/// <summary>Creates a new rewriterContext with a new query scope with the same parent of the CurrentSelect. </summary>
public TranslationContext NewSisterSelect()
{
var rewriterContext = new TranslationContext(this);
rewriterContext._currentScopeIndex = SelectExpressions.Count;
SelectExpressions.Add(new SelectExpression(CurrentSelect.Parent, CurrentSelect.Command));
return(rewriterContext);
}
public void NewParentSelect()
{
SelectExpression currentSelect = this.CurrentSelect;
SelectExpression newParentSelect = new SelectExpression(currentSelect.Parent, CurrentSelect.Command);
currentSelect.Parent = newParentSelect;
this._currentScopeIndex = SelectExpressions.Count;
SelectExpressions.Add(newParentSelect);
}
/// <summary>Creates a new rewriterContext with a new query scope. </summary>
public TranslationContext NewSelect()
{
var rewriterContext = new TranslationContext(this);
// scope dependent Parts
rewriterContext._currentScopeIndex = SelectExpressions.Count;
SelectExpressions.Add(new SelectExpression(CurrentSelect));
return(rewriterContext);
}
/// <summary>
/// Creates a new BuilderContext with a new query scope which is parent of the current one
/// </summary>
/// <returns></returns>
public void NewParentSelect()
{
SelectExpression currentSelect = this.CurrentSelect;
SelectExpression newParentSelect = new SelectExpression(currentSelect.Parent);
while (currentSelect != null)
{
currentSelect.Parent = newParentSelect;
currentSelect = currentSelect.NextSelectExpression;
}
this.currentScopeIndex = SelectExpressions.Count;
SelectExpressions.Add(newParentSelect);
}
/// <summary>
/// Creates a new BuilderContext with a new query scope with the same parent of the CurrentSelect
/// </summary>
/// <returns></returns>
public BuilderContext NewSisterSelect()
{
var builderContext = new BuilderContext();
// we basically copy everything
builderContext.CallStack = CallStack;
builderContext.QueryContext = QueryContext;
builderContext.ExpressionQuery = ExpressionQuery;
builderContext.MetaTables = MetaTables;
builderContext.Parameters = Parameters;
builderContext.SelectExpressions = SelectExpressions;
builderContext.ExpectMetaTableDefinition = ExpectMetaTableDefinition;
// except CurrentScope, of course
builderContext.currentScopeIndex = SelectExpressions.Count;
SelectExpressions.Add(new SelectExpression(CurrentSelect.Parent));
return(builderContext);
}