protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
if (!this.TryGetCurrent(constantPlaceholder, out var current))
{
return(constantPlaceholder);
}
if (!(this.result &= (current.Index == constantPlaceholder.Index)))
{
return(constantPlaceholder);
}
if ((this.options & SqlExpressionComparerOptions.IgnoreConstantPlaceholders) != 0)
{
this.result &= current.Type == constantPlaceholder.Type;
return(constantPlaceholder);
}
this.currentObject = current.ConstantExpression;
this.Visit(constantPlaceholder.ConstantExpression);
this.currentObject = current;
return(constantPlaceholder);
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
this.values.Add(constantPlaceholder);
this.maxIndex = Math.Max(constantPlaceholder.Index, this.maxIndex);
return base.VisitConstantPlaceholder(constantPlaceholder);
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
this.hashCode ^= constantPlaceholder.Index;
if ((this.options & SqlExpressionComparerOptions.IgnoreConstantPlaceholders) != 0)
{
return constantPlaceholder;
}
return base.VisitConstantPlaceholder(constantPlaceholder);
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
this.hashCode ^= constantPlaceholder.Index;
if ((this.options & SqlExpressionComparerOptions.IgnoreConstantPlaceholders) != 0)
{
return(constantPlaceholder);
}
return(base.VisitConstantPlaceholder(constantPlaceholder));
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
var result = base.VisitConstant(constantPlaceholder.ConstantExpression);
var retval = new SqlConstantPlaceholderExpression(constantPlaceholder.Index, (ConstantExpression)result);
if (retval.Type.GetUnwrappedNullableType() == typeof(bool))
{
return new BitBooleanExpression(retval);
}
return retval;
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
hashCode ^= constantPlaceholder.Index;
if (ignoreConstantPlaceholderValues)
{
return(constantPlaceholder);
}
else
{
return(base.VisitConstantPlaceholder(constantPlaceholder));
}
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
var nullableType = constantPlaceholder.Type.MakeNullable();
if (nullableType == constantPlaceholder.Type)
{
replacedExpressions.Add(constantPlaceholder);
return new SqlConstantPlaceholderExpression(this.placeholderCount++, Expression.Constant(null, nullableType));
}
else
{
replacedExpressions.Add(new SqlConstantPlaceholderExpression(constantPlaceholder.Index, Expression.Constant(constantPlaceholder.ConstantExpression.Value, nullableType)));
return new SqlConstantPlaceholderExpression(this.placeholderCount++, Expression.Constant(null, nullableType));
}
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
SqlConstantPlaceholderExpression current;
if (!TryGetCurrent(constantPlaceholder, out current))
{
return(constantPlaceholder);
}
result = result && (current.Index == constantPlaceholder.Index);
if (result && !ignoreConstantPlaceholderValues)
{
currentObject = current.ConstantExpression;
Visit(constantPlaceholder.ConstantExpression);
currentObject = current;
}
return(constantPlaceholder);
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
if (placeholderValues != null)
{
var retval = Expression.ArrayIndex(this.placeholderValues, Expression.Constant(constantPlaceholder.Index));
return retval.Type == constantPlaceholder.Type ? retval : (Expression)Expression.Convert(retval, constantPlaceholder.Type);
}
else
{
if (constantPlaceholder.Index < this.placeholderValuesLiteral.Length)
{
var retval = Expression.Constant(this.placeholderValuesLiteral[constantPlaceholder.Index]);
return retval.Type == constantPlaceholder.Type ? retval : (Expression)Expression.Convert(retval, constantPlaceholder.Type);
}
else
{
return constantPlaceholder;
}
}
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
var newLength = this.values.Length;
while (constantPlaceholder.Index > newLength - 1)
{
newLength *= 2;
}
if (newLength != this.values.Length)
{
Array.Resize(ref this.values, newLength);
}
values[constantPlaceholder.Index] = constantPlaceholder.ConstantExpression.Value;
if (maxLength < constantPlaceholder.Index + 1)
{
maxLength = constantPlaceholder.Index + 1;
}
return base.VisitConstantPlaceholder(constantPlaceholder);
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholderExpression)
{
if ((this.options & SqlQueryFormatterOptions.EvaluateConstantPlaceholders) != 0)
{
var startIndex = this.parameterValues.Count;
var savedOptions = this.options;
// Never optimise-out null constant placeholders
this.options &= ~SqlQueryFormatterOptions.OptimiseOutConstantNulls;
var retval = base.VisitConstantPlaceholder(constantPlaceholderExpression);
this.options = savedOptions;
var endIndex = this.parameterValues.Count;
if (endIndex - startIndex == 1 && canReuse)
{
var index = startIndex;
parameterIndexToPlaceholderIndexes.Add(new Pair<int, int>(index, constantPlaceholderExpression.Index));
}
return retval;
}
else
{
this.WriteFormat("$${0}", constantPlaceholderExpression.Index);
return constantPlaceholderExpression;
}
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
return Expression.Convert(Expression.ArrayIndex(this.dynamicParameters, Expression.Constant(constantPlaceholder.Index)), constantPlaceholder.ConstantExpression.Type);
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholderExpression)
{
if ((this.options & SqlQueryFormatterOptions.EvaluateConstantPlaceholders) != 0)
{
return base.VisitConstantPlaceholder(constantPlaceholderExpression);
}
else
{
this.WriteFormat("$${0}", constantPlaceholderExpression.Index);
return constantPlaceholderExpression;
}
}
protected virtual Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
var result = this.VisitConstant(constantPlaceholder.ConstantExpression);
if (constantPlaceholder.ConstantExpression != result)
{
if (!(result is ConstantExpression))
{
return result;
}
return new SqlConstantPlaceholderExpression(constantPlaceholder.Index, (ConstantExpression)result);
}
return constantPlaceholder;
}
protected virtual Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
var result = this.VisitConstant(constantPlaceholder.ConstantExpression);
return new SqlConstantPlaceholderExpression(constantPlaceholder.Index, (ConstantExpression)result);
}
protected virtual Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
var result = VisitConstant(constantPlaceholder.ConstantExpression);
return(new SqlConstantPlaceholderExpression(constantPlaceholder.Index, (ConstantExpression)result));
}
protected override Expression VisitConstantPlaceholder(SqlConstantPlaceholderExpression constantPlaceholder)
{
this.output.AppendFormat("$${0}", constantPlaceholder.Index);
return constantPlaceholder;
}
