CreateQuery explain_index_equals (children 2)
 Identifier explain_index_equals
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 5)
    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 3)
                    ExpressionList (children 1)
                     Function count (children 1)
                      ExpressionList
                    TablesInSelectQuery (children 1)
                     TablesInSelectQueryElement (children 1)
                      TableExpression (children 1)
                       TableIdentifier tab
                    Function multiIf (children 1)
                     ExpressionList (children 3)
                      Function equals (children 1)
                       ExpressionList (children 2)
                        QueryParameter use_idx_fixed:boolean
                        Literal UInt64_1
                      Function equals (children 1)
                       ExpressionList (children 2)
                        Function arrayElement (children 1)
                         ExpressionList (children 2)
                          Identifier map_fixed
                          QueryParameter filter:FixedString(2)
                        QueryParameter value:String
                      Function equals (children 1)
                       ExpressionList (children 2)
                        Function arrayElement (children 1)
                         ExpressionList (children 2)
                          Identifier map
                          QueryParameter filter:String
                        QueryParameter value:String
    Function or (children 1)
     ExpressionList (children 3)
      Function like (children 1)
       ExpressionList (children 2)
        Identifier explain
        Literal \'%Description:%\'
      Function like (children 1)
       ExpressionList (children 2)
        Identifier explain
        Literal \'%Parts:%\'
      Function like (children 1)
       ExpressionList (children 2)
        Identifier explain
        Literal \'%Granules:%\'
    Literal UInt64_2
    Literal UInt64_3
