COMMENT¶
The figure below illustrates the process of simplifying COMMENT statements. A complex statement is entered and then simplified through migration.
Input:
CREATE MULTISET TABLE PDAT.t_tbl_comment
(
Data_Dt DATE NOT NULL
,Data_Src VARCHAR(4) NOT NULL
,List_Make_Stat CHAR(1)
) PRIMARY INDEX(Data_Dt,Data_Src) ;
COMMENT ON PDAT.t_tbl_comment IS 'comment test on table';
---------------
REPLACE VIEW PVW.v_vw_comment AS
LOCKING ROW FOR ACCESS
SELECT Data_Dt, Data_Src, List_Make_Stat
FROM PDAT.t_tbl_comment;
COMMENT ON PVW.v_vw_comment IS 'comment test on view';
COMMENT ON PVW.v_vw_comment.Data_Dt IS 'comment test on view column';
Output:
COMMENT ON TABLE PDAT.t_tbl_comment IS 'comment test on table';
COMMENT ON VIEW PVW.v_vw_comment IS 'comment test on view';
COMMENT ON COLUMN PVW.v_vw_comment.Data_Dt IS 'comment test on view column';