ABAP Select data from SAP table EHSWAS_BPWAAMIOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHSWAS_BPWAAMIOT
*  INTO TABLE @DATA(IT_EHSWAS_BPWAAMIOT2).
*--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_EHSWAS_BPWAAMIOT INDEX 1 INTO DATA(WA_EHSWAS_BPWAAMIOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHSWAS_BPWAAMIOT>-MARKFLG = 1.
<EHSWAS_BPWAAMIOT>-SELEFLG = 1.
<EHSWAS_BPWAAMIOT>-LINENO = 1.
<EHSWAS_BPWAAMIOT>-LINEMOD = 1.
<EHSWAS_BPWAAMIOT>-CHCOFLG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHSWAS_BPWAAMIOT-LOCKMOD, sy-vline,
  WA_EHSWAS_BPWAAMIOT-INTRFLG, sy-vline,
  WA_EHSWAS_BPWAAMIOT-MANDT, sy-vline,
  WA_EHSWAS_BPWAAMIOT-RECN, sy-vline,
  WA_EHSWAS_BPWAAMIOT-ACTN, sy-vline,
  WA_EHSWAS_BPWAAMIOT-VALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHSWAS_BPWAAMIOT 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_EHSWAS_BPWAAMIOT 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_EHSWAS_BPWAAMIOT INTO WA_EHSWAS_BPWAAMIOT.


*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_EHSWAS_BPWAAMIOT-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_BPWAAMIOT-AENNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field BPWAPROGUN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_BPWAAMIOT-BPWAPROGUN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_BPWAAMIOT-BPWAPROGUN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BPWADELUN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_BPWAAMIOT-BPWADELUN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_BPWAAMIOT-BPWADELUN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_BPWAAMIOT-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_BPWAAMIOT-PARTNER.
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_EHSWAS_BPWAAMIOT_STR, 
MARKFLG TYPE STRING,
SELEFLG TYPE STRING,
LINENO TYPE STRING,
LINEMOD TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
INTRFLG TYPE STRING,
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,
PAVALFR TYPE STRING,
PAVALTO TYPE STRING,
BPWAPROGQUAN TYPE STRING,
BPWAPROGUN TYPE STRING,
BPWADELQUAN TYPE STRING,
BPWADELUN TYPE STRING,
PARTNER TYPE STRING,
RLTYP TYPE STRING,
KZ TYPE STRING,
SEARCHFIELD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHSWAS_BPWAAMIOT_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_EHSWAS_BPWAAMIOT_STR-MARKFLG sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-SELEFLG sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-LINENO sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-LINEMOD sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-CHCOFLG sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-LOCKMOD sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-INTRFLG sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-MANDT sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-RECN sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-ACTN sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-VALFR sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-VALTO sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-AENNR sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-DELFLG sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-PARKFLG sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-CRDAT sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-CRNAM sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-UPDDAT sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-UPDNAM sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-SRSID sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-OWNID sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-RECNROOT sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-PAVALFR sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-PAVALTO sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-BPWAPROGQUAN sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-BPWAPROGUN sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-BPWADELQUAN sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-BPWADELUN sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-PARTNER sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-RLTYP sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-KZ sy-vline 
WA_EHSWAS_BPWAAMIOT_STR-SEARCHFIELD sy-vline      INTO ld_text SEPARATED BY SPACE.

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