ABAP Select data from SAP table DB6_DBH_STG_UOW into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DB6_DBH_STG_UOW table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to DB6_DBH_STG_UOW. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the DB6_DBH_STG_UOW table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_DB6_DBH_STG_UOW TYPE STANDARD TABLE OF DB6_DBH_STG_UOW,
      WA_DB6_DBH_STG_UOW TYPE DB6_DBH_STG_UOW,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <DB6_DBH_STG_UOW> TYPE DB6_DBH_STG_UOW.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DB6_DBH_STG_UOW.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DB6_DBH_STG_UOW
  INTO TABLE IT_DB6_DBH_STG_UOW.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DB6_DBH_STG_UOW
*  INTO TABLE @DATA(IT_DB6_DBH_STG_UOW2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_DB6_DBH_STG_UOW INDEX 1 INTO DATA(WA_DB6_DBH_STG_UOW2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DB6_DBH_STG_UOW ASSIGNING <DB6_DBH_STG_UOW>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DB6_DBH_STG_UOW>-MEMBER = 1.
<DB6_DBH_STG_UOW>-APPLICATION_HANDLE = 1.
<DB6_DBH_STG_UOW>-APPLICATION_ID = 1.
<DB6_DBH_STG_UOW>-UOW_ID = 1.
<DB6_DBH_STG_UOW>-COORD_MEMBER = 1.

ENDLOOP.

LOOP AT IT_DB6_DBH_STG_UOW INTO WA_DB6_DBH_STG_UOW.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DB6_DBH_STG_UOW-SNAPSHOT_TIMESTAMP, sy-vline,
  WA_DB6_DBH_STG_UOW-CLIENT_WRKSTNNAME, sy-vline,
  WA_DB6_DBH_STG_UOW-CLIENT_ACCTNG, sy-vline,
  WA_DB6_DBH_STG_UOW-CLIENT_USERID, sy-vline,
  WA_DB6_DBH_STG_UOW-CLIENT_APPLNAME, sy-vline,
  WA_DB6_DBH_STG_UOW-COLLECT_MODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DB6_DBH_STG_UOW you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_DB6_DBH_STG_UOW TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_DB6_DBH_STG_UOW INTO WA_DB6_DBH_STG_UOW.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_DB6_DBH_STG_UOW_STR, 
MEMBER TYPE STRING,
APPLICATION_HANDLE TYPE STRING,
APPLICATION_ID TYPE STRING,
UOW_ID TYPE STRING,
COORD_MEMBER TYPE STRING,
SNAPSHOT_TIMESTAMP TYPE STRING,
CLIENT_WRKSTNNAME TYPE STRING,
CLIENT_ACCTNG TYPE STRING,
CLIENT_USERID TYPE STRING,
CLIENT_APPLNAME TYPE STRING,
COLLECT_MODE TYPE STRING,
UOW_START_TIME TYPE STRING,
UOW_STOP_TIME TYPE STRING,
LOCK_WAIT_TIME TYPE STRING,
UOW_LOG_SPACE_USED_MB TYPE STRING,
UOW_LOG_SPACE_USED_DLT_MB TYPE STRING,
NUM_LOCKS_HELD TYPE STRING,
UOW_RUNTIME TYPE STRING,
TIME_PERIOD TYPE STRING,
CFG_RANK_TOP_N TYPE STRING,
CFG_LOCK_WAIT_TIME_MIN TYPE STRING,
CFG_NUM_LOCKS_HELD_MIN TYPE STRING,
CFG_UOW_RUNTIME_MIN TYPE STRING,
CFG_UOW_LOG_SPACE_USED_MIN_MB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DB6_DBH_STG_UOW_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_DB6_DBH_STG_UOW_STR-MEMBER sy-vline 
WA_DB6_DBH_STG_UOW_STR-APPLICATION_HANDLE sy-vline 
WA_DB6_DBH_STG_UOW_STR-APPLICATION_ID sy-vline 
WA_DB6_DBH_STG_UOW_STR-UOW_ID sy-vline 
WA_DB6_DBH_STG_UOW_STR-COORD_MEMBER sy-vline 
WA_DB6_DBH_STG_UOW_STR-SNAPSHOT_TIMESTAMP sy-vline 
WA_DB6_DBH_STG_UOW_STR-CLIENT_WRKSTNNAME sy-vline 
WA_DB6_DBH_STG_UOW_STR-CLIENT_ACCTNG sy-vline 
WA_DB6_DBH_STG_UOW_STR-CLIENT_USERID sy-vline 
WA_DB6_DBH_STG_UOW_STR-CLIENT_APPLNAME sy-vline 
WA_DB6_DBH_STG_UOW_STR-COLLECT_MODE sy-vline 
WA_DB6_DBH_STG_UOW_STR-UOW_START_TIME sy-vline 
WA_DB6_DBH_STG_UOW_STR-UOW_STOP_TIME sy-vline 
WA_DB6_DBH_STG_UOW_STR-LOCK_WAIT_TIME sy-vline 
WA_DB6_DBH_STG_UOW_STR-UOW_LOG_SPACE_USED_MB sy-vline 
WA_DB6_DBH_STG_UOW_STR-UOW_LOG_SPACE_USED_DLT_MB sy-vline 
WA_DB6_DBH_STG_UOW_STR-NUM_LOCKS_HELD sy-vline 
WA_DB6_DBH_STG_UOW_STR-UOW_RUNTIME sy-vline 
WA_DB6_DBH_STG_UOW_STR-TIME_PERIOD sy-vline 
WA_DB6_DBH_STG_UOW_STR-CFG_RANK_TOP_N sy-vline 
WA_DB6_DBH_STG_UOW_STR-CFG_LOCK_WAIT_TIME_MIN sy-vline 
WA_DB6_DBH_STG_UOW_STR-CFG_NUM_LOCKS_HELD_MIN sy-vline 
WA_DB6_DBH_STG_UOW_STR-CFG_UOW_RUNTIME_MIN sy-vline 
WA_DB6_DBH_STG_UOW_STR-CFG_UOW_LOG_SPACE_USED_MIN_MB sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.