protected override Expression VisitForeignKeyConstraint(SqlForeignKeyConstraintExpression foreignKeyConstraintExpression)
{
var action = new SqlConstraintActionExpression(SqlConstraintActionType.Add, foreignKeyConstraintExpression);
var ammendmentEpression = new SqlAlterTableExpression(currentTable.Table, action);
ammendments.Add(ammendmentEpression);
return null;
}
protected override Expression VisitConstraintAction(SqlConstraintActionExpression expression)
{
this.hashCode ^= expression.ActionType.GetHashCode();
return(base.VisitConstraintAction(expression));
}
protected override Expression VisitConstraintAction(SqlConstraintActionExpression expression)
{
this.hashCode ^= expression.ActionType.GetHashCode();
return base.VisitConstraintAction(expression);
}
protected override Expression VisitConstraintAction(SqlConstraintActionExpression expression)
{
SqlConstraintActionExpression current;
if (!TryGetCurrent(expression, out current))
{
return expression;
}
if (!(this.result &= current.ActionType == expression.ActionType))
{
return expression;
}
if (!(this.result &= current.NodeType == expression.NodeType))
{
return expression;
}
if (!(this.result &= current.Type == expression.Type))
{
return expression;
}
this.currentObject = current.ConstraintExpression;
this.Visit(expression.ConstraintExpression);
if (!this.result)
{
return expression;
}
this.currentObject = current;
return expression;
}
protected override Expression VisitConstraintAction(SqlConstraintActionExpression actionExpression)
{
this.Write(actionExpression.ActionType.ToString().ToUpper());
this.Write(" ");
this.Visit(actionExpression.ConstraintExpression);
return actionExpression;
}
protected virtual Expression VisitConstraintAction(SqlConstraintActionExpression actionExpression)
{
return actionExpression;
}
protected virtual Expression VisitConstraintAction(SqlConstraintActionExpression actionExpression)
{
return(actionExpression);
}