2187326 - SAP IQ 16 : FP index corruptions of Range-Partitioned table

Following SQL steps could hit FP indext corruption of Range-Partitioned table in IQ16 SP10.x ( SP8.x too).

1) Initial load to all partition

    > Initial data loading to all partition was completed without any problem.

2) Delete 7623949 rows from all range partitions.
   After deteted, sp_iqcheckdb returned table was in 'No error detected'.
  
    > delete from ZP_D_JUKLIB_HISTORY where upd_date >= '20150901';
  
3) Additional data 7623951 rows were inserted to all partition and completed well.
   But after the insert, 's_blockmap.cxx:12531' was detected in DBCC checking.
   DBCC appeared corruptions on 5 FP columns.
  
    > insert into ZP_D_JUKLIB_HISTORY
      select * from D_JUKLIB_HISTORY
       where upd_date >= '20150901';

•   Detected corruption in DBCC output =>
      
       I. 10/07 21:11:17. 0002440249 Exception Thrown from slib/s_blockmap.cxx:12531, Err# 0, tid 1189 origtid 1189
       I. 10/07 21:11:17. 0002440249    O/S Err#: 0, ErrID: 2091 (s_internalexception); SQLCode: -1001012, SQLState: 'QFA12', Severity: 18
       I. 10/07 21:11:17. 0002440249 [20521]: Internal state violation, please contact SAP IQ support
       I. 10/07 21:11:18. 0002440249   The following exception is BUFMAN_BLOCKMAP_INFO_ERROR (-1009047)
       I. 10/07 21:11:18. 0002440249   from s_ROBlockmapCursor::Find
       I. 10/07 21:11:18. 0002440249 Blockmap Member Variables for 0xe0e074628
       I. 10/07 21:11:18. 0002440249 From slib/s_dpidx.cxx:563
       ...
      
       '==================================================','==============================','======'
       'DBCC Verify Mode Report',' ',''
       '==================================================','==============================','======'
       '** DBCC Status','Errors Detected','******'
       '** DBCC Unknown Exceptions','5','******'
       ...
       ...
       '==================================================','==============================','======'
       'Index Statistics',' ',''
       '==================================================','==============================','======'
       '** Inconsistent Index','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C32_FP','******'
       '** Inconsistent Index','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C35_FP','******'
       '** Inconsistent Index','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C30_FP','******'
       '** Inconsistent Index','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C31_FP','******'
       '** Inconsistent Index','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C33_FP','******'
       ...
       '** Non-Completed Index ','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C32_FP','******'
       '** Non-Completed Index ','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C35_FP','******'
       '** Non-Completed Index ','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C30_FP','******'
       '** Non-Completed Index ','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C31_FP','******'
       '** Non-Completed Index ','lghs.ZP_D_JUKLIB_HISTORY.ASIQ_IDX_T2663_C33_FP','******'

•  SAP IQ 16.0

BUFMAN_BLOCKMAP_INFO_ERROR, "s_dpidx.cxx:3796", "s_blockmap.cxx:12531", , KBA , BC-SYB-IQ , Sybase IQ , Problem