SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier name
    Function IF (children 1)
     ExpressionList (children 3)
      Function greater (children 1)
       ExpressionList (children 2)
        Identifier value
        Literal UInt64_0
      Literal \'Good\'
      Literal \'Zero\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.metrics
   Function like (children 1)
    ExpressionList (children 2)
     Identifier name
     Literal \'%VectorSimilarityIndexCacheBytes%\'
