/// <summary>
/// Translates the <paramref name="aggregateFunctionExpression"/> into a string representation.
/// </summary>
/// <param name="aggregateFunctionExpression">The <see cref="DbAggregateFunctionExpression"/> to translate.</param>
/// <returns><see cref="string"/></returns>
protected override DbExpression VisitAggregateFunctionExpression(DbAggregateFunctionExpression aggregateFunctionExpression)
{
var functionName = GetAggregateFunctionBody(aggregateFunctionExpression.AggregateFunctionExpressionType);
var functionSyntax = CreateDefaultFunctionSyntax(functionName, aggregateFunctionExpression.Arguments);
return(functionSyntax);
}
/// <summary>
/// Translates the <paramref name="aggregateFunctionExpression"/> into a string representation.
/// </summary>
/// <param name="aggregateFunctionExpression">The <see cref="DbAggregateFunctionExpression"/> to translate.</param>
/// <returns><see cref="DbExpression"/></returns>
protected virtual DbExpression VisitAggregateFunctionExpression(DbAggregateFunctionExpression aggregateFunctionExpression)
{
var arguments = VisitListExpression(aggregateFunctionExpression.Arguments);
if (!ReferenceEquals(arguments, aggregateFunctionExpression.Arguments))
{
return(ExpressionFactory.MakeAggregateFunction(aggregateFunctionExpression.AggregateFunctionExpressionType,
arguments.First()));
}
return(aggregateFunctionExpression);
}
/// <summary>
/// Creates a <see cref="DbAggregateFunctionExpression"/>.
/// </summary>
/// <param name="aggregateFunctionExpressionType">The <see cref="DbAggregateFunctionExpressionType"/> that specifies the type of aggregate expression to create.</param>
/// <param name="target">The <see cref="DbExpression"/> that the aggregate function operates on.</param>
/// <returns>A <see cref="DbAggregateFunctionExpression"/> instance.</returns>
public DbAggregateFunctionExpression MakeAggregateFunction(DbAggregateFunctionExpressionType aggregateFunctionExpressionType, DbExpression target)
{
var aggregateExpression = new DbAggregateFunctionExpression(aggregateFunctionExpressionType, new[] { target });
return aggregateExpression;
}
/// <summary>
/// Translates the <paramref name="aggregateFunctionExpression"/> into a string representation.
/// </summary>
/// <param name="aggregateFunctionExpression">The <see cref="DbAggregateFunctionExpression"/> to translate.</param>
/// <returns><see cref="string"/></returns>
protected override DbExpression VisitAggregateFunctionExpression(DbAggregateFunctionExpression aggregateFunctionExpression)
{
var functionName = GetAggregateFunctionBody(aggregateFunctionExpression.AggregateFunctionExpressionType);
var functionSyntax = CreateDefaultFunctionSyntax(functionName, aggregateFunctionExpression.Arguments);
return functionSyntax;
}
/// <summary>
/// Translates the <paramref name="aggregateFunctionExpression"/> into a string representation.
/// </summary>
/// <param name="aggregateFunctionExpression">The <see cref="DbAggregateFunctionExpression"/> to translate.</param>
/// <returns><see cref="DbExpression"/></returns>
protected virtual DbExpression VisitAggregateFunctionExpression(DbAggregateFunctionExpression aggregateFunctionExpression)
{
var arguments = VisitListExpression(aggregateFunctionExpression.Arguments);
if (!ReferenceEquals(arguments, aggregateFunctionExpression.Arguments))
return ExpressionFactory.MakeAggregateFunction(aggregateFunctionExpression.AggregateFunctionExpressionType,
arguments.First());
return aggregateFunctionExpression;
}
