public static SqlTopSpec Create(SqlNumberLiteral sqlNumberLiteral)
{
if (sqlNumberLiteral == null)
{
throw new ArgumentNullException(nameof(sqlNumberLiteral));
}
long value;
if (!sqlNumberLiteral.Value.IsInteger)
{
throw new ArgumentOutOfRangeException($"Expected {nameof(sqlNumberLiteral)} to be an integer.");
}
value = Number64.ToLong(sqlNumberLiteral.Value);
if ((value < PremadeTopIndex) && (value >= 0))
{
return(SqlTopSpec.PremadeTopSpecs[value]);
}
SqlScalarExpression topExpression = SqlLiteralScalarExpression.Create(
SqlNumberLiteral.Create(
value));
return(new SqlTopSpec(topExpression));
}
public static SqlNumberLiteral Create(Number64 number64)
{
SqlNumberLiteral sqlNumberLiteral;
if (number64.IsDouble)
{
if (!SqlNumberLiteral.FrequentDoubles.TryGetValue(Number64.ToDouble(number64), out sqlNumberLiteral))
{
sqlNumberLiteral = new SqlNumberLiteral(number64);
}
}
else
{
if (!SqlNumberLiteral.FrequentLongs.TryGetValue(Number64.ToLong(number64), out sqlNumberLiteral))
{
sqlNumberLiteral = new SqlNumberLiteral(number64);
}
}
return(sqlNumberLiteral);
}
public static SqlNumberPathExpression Create(
SqlPathExpression parentPath,
SqlNumberLiteral value) => new SqlNumberPathExpression(parentPath, value);
private SqlNumberPathExpression(SqlPathExpression parentPath, SqlNumberLiteral value)
: base(parentPath)
{
this.Value = value;
}