ABAP Select data from SAP table APB_LPD_S_LIST_OUTTAB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM APB_LPD_S_LIST_OUTTAB
*  INTO TABLE @DATA(IT_APB_LPD_S_LIST_OUTTAB2).
*--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_APB_LPD_S_LIST_OUTTAB INDEX 1 INTO DATA(WA_APB_LPD_S_LIST_OUTTAB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<APB_LPD_S_LIST_OUTTAB>-ROLE = 1.
<APB_LPD_S_LIST_OUTTAB>-INSTANCE = 1.
<APB_LPD_S_LIST_OUTTAB>-VERSION = 1.
<APB_LPD_S_LIST_OUTTAB>-UNAME = 1.
<APB_LPD_S_LIST_OUTTAB>-DESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_APB_LPD_S_LIST_OUTTAB-REPOSITORY, sy-vline,
  WA_APB_LPD_S_LIST_OUTTAB-EMBEDDED, sy-vline,
  WA_APB_LPD_S_LIST_OUTTAB-FPM_GUIBB, sy-vline,
  WA_APB_LPD_S_LIST_OUTTAB-SWITCH_ID, sy-vline,
  WA_APB_LPD_S_LIST_OUTTAB-SWITCHED_ON, sy-vline,
  WA_APB_LPD_S_LIST_OUTTAB-SAP_OBJECT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_APB_LPD_S_LIST_OUTTAB 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_APB_LPD_S_LIST_OUTTAB 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_APB_LPD_S_LIST_OUTTAB INTO WA_APB_LPD_S_LIST_OUTTAB.


*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 MASTERLANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_APB_LPD_S_LIST_OUTTAB-MASTERLANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APB_LPD_S_LIST_OUTTAB-MASTERLANG.
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_APB_LPD_S_LIST_OUTTAB_STR, 
ROLE TYPE STRING,
INSTANCE TYPE STRING,
VERSION TYPE STRING,
UNAME TYPE STRING,
DESCRIPTION TYPE STRING,
REPOSITORY TYPE STRING,
EMBEDDED TYPE STRING,
FPM_GUIBB TYPE STRING,
SWITCH_ID TYPE STRING,
SWITCHED_ON TYPE STRING,
SAP_OBJECT TYPE STRING,
ICON_CHANGE TYPE STRING,
ICON_DISPLAY TYPE STRING,
ICON_DELETE TYPE STRING,
ICON_COPY TYPE STRING,
ICON_TRIGGER_TRANSPORT TYPE STRING,
ICON_SHOW_TRANSPORT TYPE STRING,
ICON_SYS_ALIAS_MAPPING TYPE STRING,
ICON_TRANSLATION TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
NAMESPACE TYPE STRING,
DEVCLASS TYPE STRING,
MASTERLANG TYPE STRING,
ICON_SAP_OBJECT TYPE STRING,
ICON_SHM TYPE STRING,
TEXTKEY_SAP TYPE STRING,
TEXTKEY_CUST TYPE STRING,
STYLE TYPE STRING,
LINE_EMPHASIZE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_APB_LPD_S_LIST_OUTTAB_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_APB_LPD_S_LIST_OUTTAB_STR-ROLE sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-INSTANCE sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-VERSION sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-UNAME sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-DESCRIPTION sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-REPOSITORY sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-EMBEDDED sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-FPM_GUIBB sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-SWITCH_ID sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-SWITCHED_ON sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-SAP_OBJECT sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_CHANGE sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_DISPLAY sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_DELETE sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_COPY sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_TRIGGER_TRANSPORT sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_SHOW_TRANSPORT sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_SYS_ALIAS_MAPPING sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_TRANSLATION sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-CHANGED_BY sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-CHANGED_AT sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-NAMESPACE sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-DEVCLASS sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-MASTERLANG sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_SAP_OBJECT sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-ICON_SHM sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-TEXTKEY_SAP sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-TEXTKEY_CUST sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-STYLE sy-vline 
WA_APB_LPD_S_LIST_OUTTAB_STR-LINE_EMPHASIZE sy-vline      INTO ld_text SEPARATED BY SPACE.

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