AlterQuery  rename_table (children 2)
 ExpressionList (children 3)
  AlterCommand RENAME_COLUMN (children 2)
   Identifier old_value1
   Identifier v1
  AlterCommand RENAME_COLUMN (children 2)
   Identifier value1
   Identifier v2
  AlterCommand RENAME_COLUMN (children 2)
   Identifier key
   Identifier k
 Identifier rename_table