/// <summary>
/// Translates the <paramref name="dateTimeFunctionExpression"/> into a string representation.
/// </summary>
/// <param name="dateTimeFunctionExpression">The <see cref="DbDateTimeFunctionExpression"/> to translate.</param>
/// <returns><see cref="DbExpression"/></returns>
protected virtual DbExpression VisitDateTimeFunctionExpression(DbDateTimeFunctionExpression dateTimeFunctionExpression)
{
var arguments = VisitListExpression(dateTimeFunctionExpression.Arguments);
if (!ReferenceEquals(arguments, dateTimeFunctionExpression.Arguments))
{
return(ExpressionFactory.MakeDateTimeFunction(dateTimeFunctionExpression.DateTimeFunctionExpressionType,
arguments.ToArray()));
}
return(dateTimeFunctionExpression);
}
/// <summary>
/// Translates the <paramref name="dateTimeFunctionExpression"/> into a string representation.
/// </summary>
/// <param name="dateTimeFunctionExpression">The <see cref="DbDateTimeFunctionExpression"/> to translate.</param>
/// <returns><see cref="string"/></returns>
protected override DbExpression VisitDateTimeFunctionExpression(DbDateTimeFunctionExpression dateTimeFunctionExpression)
{
string body = GetDateTimeFunctionBody(dateTimeFunctionExpression.DateTimeFunctionExpressionType);
switch (dateTimeFunctionExpression.DateTimeFunctionExpressionType)
{
case DbDateTimeFunctionExpressionType.AddYears:
case DbDateTimeFunctionExpressionType.AddMonths:
case DbDateTimeFunctionExpressionType.AddDays:
case DbDateTimeFunctionExpressionType.AddHours:
case DbDateTimeFunctionExpressionType.AddMinutes:
case DbDateTimeFunctionExpressionType.AddSeconds:
case DbDateTimeFunctionExpressionType.AddMilliseconds:
return(CreateDefaultFunctionSyntax(body, dateTimeFunctionExpression.Arguments.Reverse()));
default:
return(CreateDefaultFunctionSyntax(body, dateTimeFunctionExpression.Arguments));
}
}
/// <summary>
/// Creates a new <see cref="DbDateTimeFunctionExpression"/>.
/// </summary>
/// <param name="dateTimeFunctionExpressionType">The <see cref="DbDateTimeFunctionExpressionType"/> that specifies the type of <see cref="DbDateTimeFunctionExpression"/> to create.</param>
/// <param name="arguments">A list of <see cref="DbExpression"/> instances that is used as arguments when calling the function.</param>
/// <returns>A <see cref="DbDateTimeFunctionExpression"/> instance.</returns>
public DbDateTimeFunctionExpression MakeDateTimeFunction(DbDateTimeFunctionExpressionType dateTimeFunctionExpressionType, DbExpression[] arguments)
{
var dateTimeFunctionExpression = new DbDateTimeFunctionExpression(dateTimeFunctionExpressionType, arguments);
return dateTimeFunctionExpression;
}
/// <summary>
/// Translates the <paramref name="dateTimeFunctionExpression"/> into a string representation.
/// </summary>
/// <param name="dateTimeFunctionExpression">The <see cref="DbDateTimeFunctionExpression"/> to translate.</param>
/// <returns><see cref="string"/></returns>
protected override DbExpression VisitDateTimeFunctionExpression(DbDateTimeFunctionExpression dateTimeFunctionExpression)
{
string body = GetDateTimeFunctionBody(dateTimeFunctionExpression.DateTimeFunctionExpressionType);
switch (dateTimeFunctionExpression.DateTimeFunctionExpressionType)
{
case DbDateTimeFunctionExpressionType.AddYears:
case DbDateTimeFunctionExpressionType.AddMonths:
case DbDateTimeFunctionExpressionType.AddDays:
case DbDateTimeFunctionExpressionType.AddHours:
case DbDateTimeFunctionExpressionType.AddMinutes:
case DbDateTimeFunctionExpressionType.AddSeconds:
case DbDateTimeFunctionExpressionType.AddMilliseconds:
return CreateDefaultDateTimeFunctionSyntax(body, dateTimeFunctionExpression.Arguments);
default:
return CreateDefaultDateTimeFunctionSyntax(body, dateTimeFunctionExpression.Arguments);
}
}
/// <summary>
/// Translates the <paramref name="dateTimeFunctionExpression"/> into a string representation.
/// </summary>
/// <param name="dateTimeFunctionExpression">The <see cref="DbDateTimeFunctionExpression"/> to translate.</param>
/// <returns><see cref="DbExpression"/></returns>
protected virtual DbExpression VisitDateTimeFunctionExpression(DbDateTimeFunctionExpression dateTimeFunctionExpression)
{
var arguments = VisitListExpression(dateTimeFunctionExpression.Arguments);
if (!ReferenceEquals(arguments, dateTimeFunctionExpression.Arguments))
return ExpressionFactory.MakeDateTimeFunction(dateTimeFunctionExpression.DateTimeFunctionExpressionType,
arguments.ToArray());
return dateTimeFunctionExpression;
}
