protected override Expression VisitConstraintAction(SqlConstraintActionExpression actionExpression)
{
this.Write(actionExpression.ActionType.ToString().ToUpper());
this.Write(" ");
this.Visit(actionExpression.ConstraintExpression);
return(actionExpression);
}
protected override Expression VisitForeignKeyConstraint(SqlForeignKeyConstraintExpression foreignKeyConstraintExpression)
{
var action = new SqlConstraintActionExpression(SqlConstraintActionType.Add, foreignKeyConstraintExpression);
var amendmentEpression = new SqlAlterTableExpression(this.currentTable.Table, action);
this.amendments.Add(amendmentEpression);
return(null);
}
protected override Expression VisitConstraint(SqlConstraintExpression expression)
{
if (expression.ReferencesExpression == null)
{
return(expression);
}
var action = new SqlConstraintActionExpression(SqlConstraintActionType.Add, expression);
var amendmentEpression = new SqlAlterTableExpression(this.currentTable.Table, action);
this.amendments.Add(amendmentEpression);
return(null);
}
protected virtual Expression VisitConstraintAction(SqlConstraintActionExpression actionExpression)
{
return(actionExpression);
}