SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function trimLeft (alias explain) (children 1)
     ExpressionList (children 1)
      Identifier explain
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Asterisk
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function viewExplain (children 1)
              ExpressionList (children 3)
               Literal \'EXPLAIN\'
               Literal \'indexes = 1\'
               Subquery (children 1)
                SelectWithUnionQuery (children 1)
                 ExpressionList (children 1)
                  SelectQuery (children 5)
                   ExpressionList (children 1)
                    Literal Array_[Float64_0, Float64_2] (alias reference_vec)
                   ExpressionList (children 1)
                    Identifier id
                   TablesInSelectQuery (children 1)
                    TablesInSelectQueryElement (children 1)
                     TableExpression (children 1)
                      TableIdentifier tab
                   ExpressionList (children 1)
                    OrderByElement (children 1)
                     Function L2Distance (children 1)
                      ExpressionList (children 2)
                       Identifier vec2
                       Identifier reference_vec
                   Literal UInt64_3
   Function or (children 1)
    ExpressionList (children 3)
     Function ilike (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%Skip%\'
     Function ilike (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%Name: idx%\'
     Function ilike (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%vector_similarity%\'
