public override object VisitGroupby_element([NotNull] KoraliumParser.Groupby_elementContext context) { //Scalar expression var scalar = context.scalar_expression(); if (scalar != null) { var scalarExpression = Visit(context.scalar_expression()) as ScalarExpression; if (scalarExpression == null) { throw new SqlParserException("Could not parse scalar expression"); } return(new ExpressionGroup() { Expression = scalarExpression }); } //SUB QUERY var subqueryNode = context.group_subquery(); if (subqueryNode != null) { var subquery = Visit(subqueryNode) as Group; if (subquery == null) { throw new SqlParserException("Could not parse group by sub query"); } return(subquery); } throw new NotImplementedException(); }
/// <summary> /// Exit a parse tree produced by <see cref="KoraliumParser.groupby_element"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitGroupby_element([NotNull] KoraliumParser.Groupby_elementContext context) { }
/// <summary> /// Visit a parse tree produced by <see cref="KoraliumParser.groupby_element"/>. /// <para> /// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/> /// on <paramref name="context"/>. /// </para> /// </summary> /// <param name="context">The parse tree.</param> /// <return>The visitor result.</return> public virtual Result VisitGroupby_element([NotNull] KoraliumParser.Groupby_elementContext context) { return(VisitChildren(context)); }