public static SqlLiteralScalarExpression Create(SqlLiteral sqlLiteral) { SqlLiteralScalarExpression sqlLiteralScalarExpression; if (sqlLiteral == SqlBooleanLiteral.True) { sqlLiteralScalarExpression = SqlLiteralScalarExpression.SqlTrueLiteralScalarExpression; } else if (sqlLiteral == SqlBooleanLiteral.False) { sqlLiteralScalarExpression = SqlLiteralScalarExpression.SqlFalseLiteralScalarExpression; } else if (sqlLiteral == SqlNullLiteral.Singleton) { sqlLiteralScalarExpression = SqlLiteralScalarExpression.SqlNullLiteralScalarExpression; } else if (sqlLiteral == SqlUndefinedLiteral.Create()) { sqlLiteralScalarExpression = SqlLiteralScalarExpression.SqlUndefinedLiteralScalarExpression; } else { // Either a number or string in which we need to new one up. sqlLiteralScalarExpression = new SqlLiteralScalarExpression(sqlLiteral); } return(sqlLiteralScalarExpression); }
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)); }