SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function trimBoth (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 \'actions = 1, indexes = 1\'
               Subquery (children 1)
                SelectWithUnionQuery (children 1)
                 ExpressionList (children 1)
                  SelectQuery (children 4)
                   ExpressionList (children 1)
                    Function count (children 1)
                     ExpressionList
                   TablesInSelectQuery (children 1)
                    TablesInSelectQueryElement (children 1)
                     TableExpression (children 1)
                      TableIdentifier tab
                   Function hasAllTokens (children 1)
                    ExpressionList (children 2)
                     Function lower (children 1)
                      ExpressionList (children 1)
                       Identifier text
                     Function array (children 1)
                      ExpressionList (children 1)
                       Function lower (children 1)
                        ExpressionList (children 1)
                         Literal \'Hello\'
                   Set
   Function or (children 1)
    ExpressionList (children 2)
     Function like (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%Filter column%\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%Name: idx_text%\'
