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