public override void Visit(DbDistinctExpression expression)
{
Write(expression);
_depth++;
Write("Argument", expression.Argument);
_depth--;
}
public override SqlFragment Visit(DbDistinctExpression expression)
{
SelectStatement select = VisitInputExpressionEnsureSelect(expression.Argument, null, null);
select.IsDistinct = true;
return(select);
}
public override void Visit(DbDistinctExpression e)
{
Check.NotNull(e, "e");
BeginUnary(e);
End(e);
}
/// <summary>
/// Implements the visitor pattern for <see cref="T:System.Data.Common.CommandTrees.DbDistinctExpression"/>.
/// </summary>
/// <param name="expression">The <see cref="T:System.Data.Common.CommandTrees.DbDistinctExpression"/> that is visited.</param>
public override void Visit(DbDistinctExpression expression)
{
if (expression == null)
{
throw new ArgumentNullException("expression");
}
expression.Argument.Accept(this);
}
public override ISqlFragment Visit(DbDistinctExpression e)
{
var result = VisitExpressionEnsureSqlStatement(e.Argument);
if (!IsCompatible(result, e.ExpressionKind))
{
Symbol fromSymbol;
TypeUsage inputType = MetadataHelpers.GetElementTypeUsage(e.Argument.ResultType);
result = CreateNewSelectStatement(result, "distinct", inputType, out fromSymbol);
AddFromSymbol(result, "distinct", fromSymbol, false);
}
result.IsDistinct = true;
return(result);
}
public override void Visit(DbDistinctExpression e)
{
VisitUnary(e);
}
public override TreeNode Visit(DbDistinctExpression e)
{
Check.NotNull <DbDistinctExpression>(e, nameof(e));
return(this.VisitUnary((DbUnaryExpression)e));
}
public override SqlFragment Visit(DbDistinctExpression expression)
{
throw new NotImplementedException();
}
/// <summary>
/// Visitor pattern method for <see cref="DbDistinctExpression" />.
/// </summary>
/// <param name="expression"> The DbDistinctExpression that is being visited. </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="expression" />
/// is null
/// </exception>
public override void Visit(DbDistinctExpression expression)
{
Check.NotNull(expression, "expression");
VisitUnaryExpression(expression);
}
public override bool Visit(DbDistinctExpression expression)
{
Check.NotNull <DbDistinctExpression>(expression, nameof(expression));
return(this.VisitUnaryExpression((DbUnaryExpression)expression));
}
public override void Visit(DbDistinctExpression expression)
{
Contract.Requires(expression != null);
}
public override bool Visit(DbDistinctExpression expression)
{
return(VisitUnaryExpression(expression));
}
public override TReturn Visit(DbDistinctExpression expression)
{
Check.NotNull <DbDistinctExpression>(expression, nameof(expression));
throw this.ConstructNotSupportedException((DbExpression)expression);
}
public override TreeNode Visit(DbDistinctExpression e)
{
return(this.VisitUnary(e));
}
public override void Visit(DbDistinctExpression expression)
{
this.VisitUnaryExpression((DbUnaryExpression)expression);
}
/// <summary>
/// <see cref="VisitUnaryExpression" />
/// </summary>
/// <param name="expression"> The DbDistinctExpression that is being visited. </param>
/// <returns> </returns>
public override bool Visit(DbDistinctExpression expression)
{
Check.NotNull(expression, "expression");
return(VisitUnaryExpression(expression));
}
public override ViewValidator.DbExpressionEntitySetInfo Visit(
DbDistinctExpression expression)
{
Check.NotNull <DbDistinctExpression>(expression, nameof(expression));
return((ViewValidator.DbExpressionEntitySetInfo)null);
}
public override TReturn Visit(DbDistinctExpression expression)
{
Check.NotNull(expression, "expression");
throw ConstructNotSupportedException(expression);
}
public override SqlFragment Visit(DbDistinctExpression expression)
{
SelectStatement select = VisitInputExpressionEnsureSelect(expression.Argument, null, null);
select.IsDistinct = true;
return select;
}
public override void Visit(DbDistinctExpression expression) { }
public override Expression Visit(DbDistinctExpression expression)
{
return(queryMethodExpressionBuilder.Distinct(this.Visit(expression.Argument)));
}
public override void Visit(DbDistinctExpression e)
{
Check.NotNull <DbDistinctExpression>(e, nameof(e));
this.VisitUnary((DbUnaryExpression)e);
}
/// <summary> /// Visitor pattern method for DbDistinctExpression. /// </summary> /// <param name="expression"> The DbDistinctExpression that is being visited. </param> public abstract void Visit(DbDistinctExpression expression);
public override object Visit(DbDistinctExpression expression)
{
this.Visit(expression.Argument);
return(null);
}
public override LegacyCommandTrees.DbExpression Visit(DbDistinctExpression expression)
{
Debug.Assert(expression != null, "expression != null");
return(expression.Argument.Accept(this).Distinct());
}
/// <summary>
/// Implements the visitor pattern for <see cref="T:System.Data.Common.CommandTrees.DbDistinctExpression"/>.
/// </summary>
/// <param name="expression">The <see cref="T:System.Data.Common.CommandTrees.DbDistinctExpression"/> that is visited.</param>
public override void Visit(DbDistinctExpression expression)
{
if (expression == null)
{
throw new ArgumentNullException("expression");
}
expression.Argument.Accept(this);
}
public override void Visit(DbDistinctExpression expression)
{
throw new NotSupportedException("Visit(\"DbDistinctExpression\") is not supported.");
}
/// <summary> /// Typed visitor pattern method for DbDistinctExpression. /// </summary> /// <param name="expression"> The DbDistinctExpression that is being visited. </param> /// <returns> An instance of TResultType. </returns> public abstract TResultType Visit(DbDistinctExpression expression);
public override Expression Visit(DbDistinctExpression expression)
{
return queryMethodExpressionBuilder.Distinct(this.Visit(expression.Argument));
}
public override VfpExpression Visit(DbDistinctExpression expression)
{
return(new VfpDistinctExpression(expression.ResultType, expression.Argument.Accept(this)));
}
public override void Visit(DbDistinctExpression expression)
{
throw new NotSupportedException("Visit(\"DistinctExpression\") is not supported.");
}
public override DbExpressionEntitySetInfo Visit(DbDistinctExpression expression)
{
Check.NotNull(expression, "expression");
return(null);
}
public override void Visit(DbDistinctExpression expression)
{
VisitUnaryExpression(expression);
}
/// <summary> /// Visitor pattern method for DbDistinctExpression. /// </summary> /// <param name="expression"> The DbDistinctExpression that is being visited. </param> public abstract void Visit(DbDistinctExpression expression);
public override void Visit(DbDistinctExpression e)
{
VisitUnary(e);
}
public override void Visit(DbDistinctExpression e)
{
BeginUnary(e);
End(e);
}
public override void Visit(DbDistinctExpression e)
{
Check.NotNull(e, "e");
VisitUnary(e);
}
public override TReturn Visit(DbDistinctExpression expression)
{
throw ConstructNotSupportedException(expression);
}
public override void Visit(DbDistinctExpression expression)
{
VisitUnaryExpression(expression);
}
public override TreeNode Visit(DbDistinctExpression e)
{
Check.NotNull(e, "e");
return(VisitUnary(e));
}
public override DbExpressionEntitySetInfo Visit(DbDistinctExpression expression)
{
return(null);
}
public override void Visit(DbDistinctExpression e)
{
BeginUnary(e);
End(e);
}
