public static SqlOffsetSpec 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 < PremadeOffsetIndex && value >= 0)
{
return(SqlOffsetSpec.PremadeOffsetSpecs[value]);
}
SqlScalarExpression offsetExpression = SqlLiteralScalarExpression.Create(
SqlNumberLiteral.Create(
value));
return(new SqlOffsetSpec(offsetExpression));
}
public override SqlObject Visit(SqlLiteralScalarExpression sqlLiteralScalarExpression)
{
return(SqlLiteralScalarExpression.Create(sqlLiteralScalarExpression.Literal.Accept(this) as SqlLiteral));
}