public override SqlObject VisitExistsScalarExpression([NotNull] sqlParser.ExistsScalarExpressionContext context)
{
Contract.Requires(context != null);
// K_EXISTS '(' sql_query ')'
Contract.Requires(context.ChildCount == 4);
SqlQuery subquery = (SqlQuery)this.Visit(context.children[2]);
return(SqlExistsScalarExpression.Create(subquery));
}
/// <summary>
/// Visit a parse tree produced by the <c>ExistsScalarExpression</c>
/// labeled alternative in <see cref="sqlParser.scalar_expression"/>.
/// <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 VisitExistsScalarExpression([NotNull] sqlParser.ExistsScalarExpressionContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>ExistsScalarExpression</c>
/// labeled alternative in <see cref="sqlParser.primary_expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitExistsScalarExpression([NotNull] sqlParser.ExistsScalarExpressionContext context)
{
}
