ABAP Select data from SAP table /SAPAPO/LRP_GW_GWOP_INFO_OUT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/LRP_GW_GWOP_INFO_OUT 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 /SAPAPO/LRP_GW_GWOP_INFO_OUT. 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 /SAPAPO/LRP_GW_GWOP_INFO_OUT 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_/SAPAPO/LRP_GW_GWOP_INFO_OUT TYPE STANDARD TABLE OF /SAPAPO/LRP_GW_GWOP_INFO_OUT,
      WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT TYPE /SAPAPO/LRP_GW_GWOP_INFO_OUT,
      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: </SAPAPO/LRP_GW_GWOP_INFO_OUT> TYPE /SAPAPO/LRP_GW_GWOP_INFO_OUT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/LRP_GW_GWOP_INFO_OUT
  INTO TABLE IT_/SAPAPO/LRP_GW_GWOP_INFO_OUT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/LRP_GW_GWOP_INFO_OUT
*  INTO TABLE @DATA(IT_/SAPAPO/LRP_GW_GWOP_INFO_OUT2).
*--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_/SAPAPO/LRP_GW_GWOP_INFO_OUT INDEX 1 INTO DATA(WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/LRP_GW_GWOP_INFO_OUT ASSIGNING </SAPAPO/LRP_GW_GWOP_INFO_OUT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/LRP_GW_GWOP_INFO_OUT>-GWO_TYP = 1.
</SAPAPO/LRP_GW_GWOP_INFO_OUT>-CREATED = 1.
</SAPAPO/LRP_GW_GWOP_INFO_OUT>-CREATED_BY = 1.
</SAPAPO/LRP_GW_GWOP_INFO_OUT>-CHANGED = 1.
</SAPAPO/LRP_GW_GWOP_INFO_OUT>-CHANGED_BY = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/LRP_GW_GWOP_INFO_OUT INTO WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-CATEGORY, sy-vline,
  WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-BEG_TMST, sy-vline,
  WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-END_TMST, sy-vline,
  WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-ALL_DAY, sy-vline,
  WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-SUMMARY, sy-vline,
  WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-DESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT 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_/SAPAPO/LRP_GW_GWOP_INFO_OUT 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_/SAPAPO/LRP_GW_GWOP_INFO_OUT INTO WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT.


*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.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT-EMAIL.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR, 
GWO_TYP TYPE STRING,
CREATED TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED TYPE STRING,
CHANGED_BY TYPE STRING,
CATEGORY TYPE STRING,
BEG_TMST TYPE STRING,
END_TMST TYPE STRING,
ALL_DAY TYPE STRING,
SUMMARY TYPE STRING,
DESCRIPTION TYPE STRING,
CLASS TYPE STRING,
LOCATION TYPE STRING,
PRIORITY TYPE STRING,
STATUS TYPE STRING,
TRANSPARENCY TYPE STRING,
PERCENT_COMPLETE TYPE STRING,
COMPLETED TYPE STRING,
LANGU TYPE STRING,
EMAIL TYPE STRING,
RULE_TAB TYPE STRING,
TAB_RO TYPE STRING,
TAB_RN TYPE STRING,
TAB_D TYPE STRING,
TAB_W TYPE STRING,
TAB_M1 TYPE STRING,
TAB_M3 TYPE STRING,
TAB_T TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_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_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-GWO_TYP sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-CREATED sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-CREATED_BY sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-CHANGED sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-CHANGED_BY sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-CATEGORY sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-BEG_TMST sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-END_TMST sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-ALL_DAY sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-SUMMARY sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-DESCRIPTION sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-CLASS sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-LOCATION sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-PRIORITY sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-STATUS sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-TRANSPARENCY sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-PERCENT_COMPLETE sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-COMPLETED sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-LANGU sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-EMAIL sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-RULE_TAB sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-TAB_RO sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-TAB_RN sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-TAB_D sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-TAB_W sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-TAB_M1 sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-TAB_M3 sy-vline 
WA_/SAPAPO/LRP_GW_GWOP_INFO_OUT_STR-TAB_T sy-vline      INTO ld_text SEPARATED BY SPACE.

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