public override void EnterHashText([NotNull] SearchParser.HashTextContext context)
{
var hashtag = context.GetText().Enquote();
this.whereClause = string.Concat(whereClause, " ", $"udf.matchArrayElement(twt.entities.hashtags, {hashtag})");
}
/// <summary>
/// Exit a parse tree produced by <see cref="SearchParser.hashText"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitHashText([NotNull] SearchParser.HashTextContext context)
{
}