AlterQuery  check_query_comment_column (children 2)
 ExpressionList (children 5)
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration first_column (children 1)
    Literal \'comment 1_2\'
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration second_column (children 1)
    Literal \'comment 2_2\'
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration third_column (children 1)
    Literal \'comment 3_2\'
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration fourth_column (children 1)
    Literal \'comment 4_2\'
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration fifth_column (children 1)
    Literal \'comment 5_2\'
 Identifier check_query_comment_column