create table with nullable primary key of varchar type causes assertion failure

[Suresh Subbiah]

cqd ALLOW_NULLABLE_UNIQUE_KEY_CONSTRAINT 'on' ;

CREATE TABLE TRAFODION.OSSDBA.COUNTRY
  (
    COUNTRY_NAME VARCHAR(40 BYTES) CHARACTER SET UTF8
      NOT NULL NOT DROPPABLE
  , ISO_CODE VARCHAR(3 BYTES) CHARACTER SET UTF8
      COLLATE DEFAULT DEFAULT NULL
  , HP_CODE VARCHAR(4 BYTES) CHARACTER SET UTF8
      COLLATE DEFAULT DEFAULT NULL
  , REGION VARCHAR(30 BYTES) CHARACTER SET UTF8
      COLLATE DEFAULT DEFAULT NULL
  , SUBREGION VARCHAR(30 BYTES) CHARACTER SET UTF8
      COLLATE DEFAULT DEFAULT NULL
  , IN_BACKLOG_SHIP VARCHAR(1 BYTE) CHARACTER SET UTF8 COLLATE
      DEFAULT DEFAULT NULL
  , ISO3_CODE VARCHAR(3 BYTES) CHARACTER SET UTF8
      COLLATE DEFAULT DEFAULT NULL
  , HP_REGION VARCHAR(6 BYTES) CHARACTER SET UTF8
      COLLATE DEFAULT DEFAULT NULL
  )
  STORE BY (COUNTRY_NAME ASC)
  SALT USING 16 PARTITIONS
;

gives
*** ERROR[2006] Internal error: assertion failure (keyColOffset == encodedKeyLen) in file ../optimizer/NATable.cpp at line 1553.

[Suresh Subbiah (suresh-subbiah)]

This problem was addressed some time ago. The problem no longer shows in a recent build.