public override Expression BindParameter(
ParameterExpression parameter, Dictionary <Expression, Expression> processedExpressions)
{
if (processedExpressions.TryGetValue(this, out var result))
{
return(result);
}
var newFields = new List <PersistentFieldExpression>(fields.Count);
foreach (var field in fields)
{
// Do not convert to LINQ. We want to avoid a closure creation here.
newFields.Add((PersistentFieldExpression)field.BindParameter(parameter, processedExpressions));
}
var keyExpression = (KeyExpression)Key.BindParameter(parameter, processedExpressions);
var entity = (EntityExpression)Entity?.BindParameter(parameter, processedExpressions);
result = new EntityFieldExpression(
PersistentType, Field, newFields, Mapping, keyExpression, entity, parameter, DefaultIfEmpty);
if (Owner == null)
{
return(result);
}
processedExpressions.Add(this, result);
Owner.BindParameter(parameter, processedExpressions);
return(result);
}
public override Expression BindParameter(ParameterExpression parameter, Dictionary <Expression, Expression> processedExpressions)
{
Expression result;
if (processedExpressions.TryGetValue(this, out result))
{
return(result);
}
var fields = Fields
.Select(f => f.BindParameter(parameter, processedExpressions))
.Cast <PersistentFieldExpression>()
.ToList();
var keyExpression = (KeyExpression)Key.BindParameter(parameter, processedExpressions);
var entity = Entity != null
? (EntityExpression)Entity.BindParameter(parameter, processedExpressions)
: null;
result = new EntityFieldExpression(PersistentType, Field, fields, Mapping, keyExpression, entity, parameter, DefaultIfEmpty);
if (Owner == null)
{
return(result);
}
processedExpressions.Add(this, result);
Owner.BindParameter(parameter, processedExpressions);
return(result);
}
public Expression BindParameter(ParameterExpression parameter, Dictionary <Expression, Expression> processedExpressions)
{
Expression value;
if (processedExpressions.TryGetValue(this, out value))
{
return(value);
}
var keyExpression = (KeyExpression)Key.BindParameter(parameter, processedExpressions);
var result = new EntityExpression(PersistentType, keyExpression, parameter, DefaultIfEmpty);
processedExpressions.Add(this, result);
result.Fields = Fields
.Select(f => f.BindParameter(parameter, processedExpressions))
.Cast <PersistentFieldExpression>()
.ToList();
return(result);
}
