ABAP Select data from SAP table CWB_OPTIONS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CWB_OPTIONS 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 CWB_OPTIONS. 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 CWB_OPTIONS 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_CWB_OPTIONS TYPE STANDARD TABLE OF CWB_OPTIONS,
      WA_CWB_OPTIONS TYPE CWB_OPTIONS,
      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: <CWB_OPTIONS> TYPE CWB_OPTIONS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CWB_OPTIONS
*  INTO TABLE @DATA(IT_CWB_OPTIONS2).
*--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_CWB_OPTIONS INDEX 1 INTO DATA(WA_CWB_OPTIONS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CWB_OPTIONS>-FLG_SELECTION_VALIDITY = 1.
<CWB_OPTIONS>-FLG_KEY_DAY_VALIDITY = 1.
<CWB_OPTIONS>-FLG_CHANGE_PERIOD_VALIDITY = 1.
<CWB_OPTIONS>-CAPID = 1.
<CWB_OPTIONS>-EMENG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CWB_OPTIONS-MANUAL_BOM_SEL, sy-vline,
  WA_CWB_OPTIONS-FLG_COM_ITM, sy-vline,
  WA_CWB_OPTIONS-FLG_COM_OPR, sy-vline,
  WA_CWB_OPTIONS-FLG_COM_COM, sy-vline,
  WA_CWB_OPTIONS-FLG_COM_ALL, sy-vline,
  WA_CWB_OPTIONS-FLG_COM_ASGN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CWB_OPTIONS 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_CWB_OPTIONS 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_CWB_OPTIONS INTO WA_CWB_OPTIONS.


*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_CWB_OPTIONS_STR, 
FLG_SELECTION_VALIDITY TYPE STRING,
FLG_KEY_DAY_VALIDITY TYPE STRING,
FLG_CHANGE_PERIOD_VALIDITY TYPE STRING,
CAPID TYPE STRING,
EMENG TYPE STRING,
MANUAL_BOM_SEL TYPE STRING,
FLG_COM_ITM TYPE STRING,
FLG_COM_OPR TYPE STRING,
FLG_COM_COM TYPE STRING,
FLG_COM_ALL TYPE STRING,
FLG_COM_ASGN TYPE STRING,
FLG_COM_NASGN TYPE STRING,
MAT_COPY TYPE STRING,
TSK_COPY TYPE STRING,
SEQ_COPY TYPE STRING,
CLA_TSK_COPY TYPE STRING,
ODP_SEQ_COPY TYPE STRING,
OPR_COPY TYPE STRING,
MTK_COPY TYPE STRING,
ODP_OPR_COPY TYPE STRING,
CLA_OPR_COPY TYPE STRING,
SUO_COPY TYPE STRING,
ODP_SUO_COPY TYPE STRING,
COM_COPY TYPE STRING,
PRT_COPY TYPE STRING,
ODP_PRT_COPY TYPE STRING,
MST_COPY TYPE STRING,
CHA_COPY TYPE STRING,
CHV_COPY TYPE STRING,
PAC_COPY TYPE STRING,
BOM_COPY TYPE STRING,
OBM_COPY TYPE STRING,
ITM_COPY TYPE STRING,
ODP_ITM_COPY TYPE STRING,
SUI_COPY TYPE STRING,
COPY_HIER TYPE STRING,
CONTEXT_SET TYPE STRING,
FLG_PRT_GEN TYPE STRING,
FLG_CHA_GEN TYPE STRING,
FLG_CHV_GEN TYPE STRING,
OPR_PRINT TYPE STRING,
PRINT_BY_WORD TYPE STRING,
PRINT_BY_ALV TYPE STRING,
CHANGE_ALL_VERS TYPE STRING,
CHANGE_PERIOD TYPE STRING,
DISPLAY_DELETED TYPE STRING,
FLG_OPR_TGR_MODE_ACTIVE TYPE STRING,
FLG_ITM_BGR_MODE_ACTIVE TYPE STRING,
VIEW_SEL_PERIOD TYPE STRING,
VIEW_DMU TYPE STRING,
BROWSER_ACTIVE TYPE STRING,
FLG_SEL_COMPLEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CWB_OPTIONS_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_CWB_OPTIONS_STR-FLG_SELECTION_VALIDITY sy-vline 
WA_CWB_OPTIONS_STR-FLG_KEY_DAY_VALIDITY sy-vline 
WA_CWB_OPTIONS_STR-FLG_CHANGE_PERIOD_VALIDITY sy-vline 
WA_CWB_OPTIONS_STR-CAPID sy-vline 
WA_CWB_OPTIONS_STR-EMENG sy-vline 
WA_CWB_OPTIONS_STR-MANUAL_BOM_SEL sy-vline 
WA_CWB_OPTIONS_STR-FLG_COM_ITM sy-vline 
WA_CWB_OPTIONS_STR-FLG_COM_OPR sy-vline 
WA_CWB_OPTIONS_STR-FLG_COM_COM sy-vline 
WA_CWB_OPTIONS_STR-FLG_COM_ALL sy-vline 
WA_CWB_OPTIONS_STR-FLG_COM_ASGN sy-vline 
WA_CWB_OPTIONS_STR-FLG_COM_NASGN sy-vline 
WA_CWB_OPTIONS_STR-MAT_COPY sy-vline 
WA_CWB_OPTIONS_STR-TSK_COPY sy-vline 
WA_CWB_OPTIONS_STR-SEQ_COPY sy-vline 
WA_CWB_OPTIONS_STR-CLA_TSK_COPY sy-vline 
WA_CWB_OPTIONS_STR-ODP_SEQ_COPY sy-vline 
WA_CWB_OPTIONS_STR-OPR_COPY sy-vline 
WA_CWB_OPTIONS_STR-MTK_COPY sy-vline 
WA_CWB_OPTIONS_STR-ODP_OPR_COPY sy-vline 
WA_CWB_OPTIONS_STR-CLA_OPR_COPY sy-vline 
WA_CWB_OPTIONS_STR-SUO_COPY sy-vline 
WA_CWB_OPTIONS_STR-ODP_SUO_COPY sy-vline 
WA_CWB_OPTIONS_STR-COM_COPY sy-vline 
WA_CWB_OPTIONS_STR-PRT_COPY sy-vline 
WA_CWB_OPTIONS_STR-ODP_PRT_COPY sy-vline 
WA_CWB_OPTIONS_STR-MST_COPY sy-vline 
WA_CWB_OPTIONS_STR-CHA_COPY sy-vline 
WA_CWB_OPTIONS_STR-CHV_COPY sy-vline 
WA_CWB_OPTIONS_STR-PAC_COPY sy-vline 
WA_CWB_OPTIONS_STR-BOM_COPY sy-vline 
WA_CWB_OPTIONS_STR-OBM_COPY sy-vline 
WA_CWB_OPTIONS_STR-ITM_COPY sy-vline 
WA_CWB_OPTIONS_STR-ODP_ITM_COPY sy-vline 
WA_CWB_OPTIONS_STR-SUI_COPY sy-vline 
WA_CWB_OPTIONS_STR-COPY_HIER sy-vline 
WA_CWB_OPTIONS_STR-CONTEXT_SET sy-vline 
WA_CWB_OPTIONS_STR-FLG_PRT_GEN sy-vline 
WA_CWB_OPTIONS_STR-FLG_CHA_GEN sy-vline 
WA_CWB_OPTIONS_STR-FLG_CHV_GEN sy-vline 
WA_CWB_OPTIONS_STR-OPR_PRINT sy-vline 
WA_CWB_OPTIONS_STR-PRINT_BY_WORD sy-vline 
WA_CWB_OPTIONS_STR-PRINT_BY_ALV sy-vline 
WA_CWB_OPTIONS_STR-CHANGE_ALL_VERS sy-vline 
WA_CWB_OPTIONS_STR-CHANGE_PERIOD sy-vline 
WA_CWB_OPTIONS_STR-DISPLAY_DELETED sy-vline 
WA_CWB_OPTIONS_STR-FLG_OPR_TGR_MODE_ACTIVE sy-vline 
WA_CWB_OPTIONS_STR-FLG_ITM_BGR_MODE_ACTIVE sy-vline 
WA_CWB_OPTIONS_STR-VIEW_SEL_PERIOD sy-vline 
WA_CWB_OPTIONS_STR-VIEW_DMU sy-vline 
WA_CWB_OPTIONS_STR-BROWSER_ACTIVE sy-vline 
WA_CWB_OPTIONS_STR-FLG_SEL_COMPLEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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