ABAP Select data from SAP table EHSWAV_APPBP2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHSWAV_APPBP2 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 EHSWAV_APPBP2. 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 EHSWAV_APPBP2 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_EHSWAV_APPBP2 TYPE STANDARD TABLE OF EHSWAV_APPBP2,
      WA_EHSWAV_APPBP2 TYPE EHSWAV_APPBP2,
      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: <EHSWAV_APPBP2> TYPE EHSWAV_APPBP2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHSWAV_APPBP2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHSWAV_APPBP2
  INTO TABLE IT_EHSWAV_APPBP2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHSWAV_APPBP2
*  INTO TABLE @DATA(IT_EHSWAV_APPBP22).
*--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_EHSWAV_APPBP2 INDEX 1 INTO DATA(WA_EHSWAV_APPBP22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHSWAV_APPBP2 ASSIGNING <EHSWAV_APPBP2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHSWAV_APPBP2>-MANDT = 1.
<EHSWAV_APPBP2>-RECN = 1.
<EHSWAV_APPBP2>-ACTN = 1.
<EHSWAV_APPBP2>-VALFR = 1.
<EHSWAV_APPBP2>-VALTO = 1.

ENDLOOP.

LOOP AT IT_EHSWAV_APPBP2 INTO WA_EHSWAV_APPBP2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHSWAV_APPBP2-AENNR, sy-vline,
  WA_EHSWAV_APPBP2-DELFLG, sy-vline,
  WA_EHSWAV_APPBP2-PARKFLG, sy-vline,
  WA_EHSWAV_APPBP2-CRDAT, sy-vline,
  WA_EHSWAV_APPBP2-CRNAM, sy-vline,
  WA_EHSWAV_APPBP2-UPDDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHSWAV_APPBP2 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_EHSWAV_APPBP2 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_EHSWAV_APPBP2 INTO WA_EHSWAV_APPBP2.


*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 ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAV_APPBP2-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAV_APPBP2-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OWNID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAV_APPBP2-OWNID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAV_APPBP2-OWNID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAV_APPBP2-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAV_APPBP2-PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INTAPPNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAV_APPBP2-INTAPPNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAV_APPBP2-INTAPPNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WABPCAT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAV_APPBP2-WABPCAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAV_APPBP2-WABPCAT.
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_EHSWAV_APPBP2_STR, 
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
RECNBPWA TYPE STRING,
WABPID TYPE STRING,
WABPIDS TYPE STRING,
APSDAT TYPE STRING,
APDDAT TYPE STRING,
APGADAT TYPE STRING,
APBPSIGN TYPE STRING,
APREF TYPE STRING,
APBPMN TYPE STRING,
WABPID_INH TYPE STRING,
LIZCAT TYPE STRING,
LIZNO TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
CITY1 TYPE STRING,
CITY2 TYPE STRING,
POST_CODE1 TYPE STRING,
POST_CODE2 TYPE STRING,
POST_CODE3 TYPE STRING,
PO_BOX TYPE STRING,
PO_BOX_LOC TYPE STRING,
STREET TYPE STRING,
HOUSE_NUM1 TYPE STRING,
STR_SUPPL1 TYPE STRING,
STR_SUPPL2 TYPE STRING,
STR_SUPPL3 TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
HOUSE_NUM2 TYPE STRING,
LOCATION TYPE STRING,
TEL_NUMBER TYPE STRING,
TEL_EXTENS TYPE STRING,
FAX_NUMBER TYPE STRING,
FAX_EXTENS TYPE STRING,
PARTNER TYPE STRING,
RLTYP TYPE STRING,
INTAPPNO TYPE STRING,
WADESCRPOFG TYPE STRING,
WABPCAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHSWAV_APPBP2_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_EHSWAV_APPBP2_STR-MANDT sy-vline 
WA_EHSWAV_APPBP2_STR-RECN sy-vline 
WA_EHSWAV_APPBP2_STR-ACTN sy-vline 
WA_EHSWAV_APPBP2_STR-VALFR sy-vline 
WA_EHSWAV_APPBP2_STR-VALTO sy-vline 
WA_EHSWAV_APPBP2_STR-AENNR sy-vline 
WA_EHSWAV_APPBP2_STR-DELFLG sy-vline 
WA_EHSWAV_APPBP2_STR-PARKFLG sy-vline 
WA_EHSWAV_APPBP2_STR-CRDAT sy-vline 
WA_EHSWAV_APPBP2_STR-CRNAM sy-vline 
WA_EHSWAV_APPBP2_STR-UPDDAT sy-vline 
WA_EHSWAV_APPBP2_STR-UPDNAM sy-vline 
WA_EHSWAV_APPBP2_STR-SRSID sy-vline 
WA_EHSWAV_APPBP2_STR-OWNID sy-vline 
WA_EHSWAV_APPBP2_STR-RECNROOT sy-vline 
WA_EHSWAV_APPBP2_STR-RECNBPWA sy-vline 
WA_EHSWAV_APPBP2_STR-WABPID sy-vline 
WA_EHSWAV_APPBP2_STR-WABPIDS sy-vline 
WA_EHSWAV_APPBP2_STR-APSDAT sy-vline 
WA_EHSWAV_APPBP2_STR-APDDAT sy-vline 
WA_EHSWAV_APPBP2_STR-APGADAT sy-vline 
WA_EHSWAV_APPBP2_STR-APBPSIGN sy-vline 
WA_EHSWAV_APPBP2_STR-APREF sy-vline 
WA_EHSWAV_APPBP2_STR-APBPMN sy-vline 
WA_EHSWAV_APPBP2_STR-WABPID_INH sy-vline 
WA_EHSWAV_APPBP2_STR-LIZCAT sy-vline 
WA_EHSWAV_APPBP2_STR-LIZNO sy-vline 
WA_EHSWAV_APPBP2_STR-NAME1 sy-vline 
WA_EHSWAV_APPBP2_STR-NAME2 sy-vline 
WA_EHSWAV_APPBP2_STR-NAME3 sy-vline 
WA_EHSWAV_APPBP2_STR-NAME4 sy-vline 
WA_EHSWAV_APPBP2_STR-CITY1 sy-vline 
WA_EHSWAV_APPBP2_STR-CITY2 sy-vline 
WA_EHSWAV_APPBP2_STR-POST_CODE1 sy-vline 
WA_EHSWAV_APPBP2_STR-POST_CODE2 sy-vline 
WA_EHSWAV_APPBP2_STR-POST_CODE3 sy-vline 
WA_EHSWAV_APPBP2_STR-PO_BOX sy-vline 
WA_EHSWAV_APPBP2_STR-PO_BOX_LOC sy-vline 
WA_EHSWAV_APPBP2_STR-STREET sy-vline 
WA_EHSWAV_APPBP2_STR-HOUSE_NUM1 sy-vline 
WA_EHSWAV_APPBP2_STR-STR_SUPPL1 sy-vline 
WA_EHSWAV_APPBP2_STR-STR_SUPPL2 sy-vline 
WA_EHSWAV_APPBP2_STR-STR_SUPPL3 sy-vline 
WA_EHSWAV_APPBP2_STR-COUNTRY sy-vline 
WA_EHSWAV_APPBP2_STR-REGION sy-vline 
WA_EHSWAV_APPBP2_STR-HOUSE_NUM2 sy-vline 
WA_EHSWAV_APPBP2_STR-LOCATION sy-vline 
WA_EHSWAV_APPBP2_STR-TEL_NUMBER sy-vline 
WA_EHSWAV_APPBP2_STR-TEL_EXTENS sy-vline 
WA_EHSWAV_APPBP2_STR-FAX_NUMBER sy-vline 
WA_EHSWAV_APPBP2_STR-FAX_EXTENS sy-vline 
WA_EHSWAV_APPBP2_STR-PARTNER sy-vline 
WA_EHSWAV_APPBP2_STR-RLTYP sy-vline 
WA_EHSWAV_APPBP2_STR-INTAPPNO sy-vline 
WA_EHSWAV_APPBP2_STR-WADESCRPOFG sy-vline 
WA_EHSWAV_APPBP2_STR-WABPCAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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