ABAP Select data from SAP table EWAWA_WEIGHINGPROCESS_OUTPUTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EWAWA_WEIGHINGPROCESS_OUTPUTS
*  INTO TABLE @DATA(IT_EWAWA_WEIGHINGPROCESS_OUTPUTS2).
*--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_EWAWA_WEIGHINGPROCESS_OUTPUTS INDEX 1 INTO DATA(WA_EWAWA_WEIGHINGPROCESS_OUTPUTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EWAWA_WEIGHINGPROCESS_OUTPUTS>-LICENSE_NUM = 1.
<EWAWA_WEIGHINGPROCESS_OUTPUTS>-PROCESSTYPE = 1.
<EWAWA_WEIGHINGPROCESS_OUTPUTS>-TRANSPORTER_RECN = 1.
<EWAWA_WEIGHINGPROCESS_OUTPUTS>-TRANSPORTER_ACTN = 1.
<EWAWA_WEIGHINGPROCESS_OUTPUTS>-TARA_WEIGHT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-TARA_UNIT, sy-vline,
  WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-TARE_ID, sy-vline,
  WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-TARE_WEIGHT, sy-vline,
  WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-TARE_SCALE, sy-vline,
  WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-TARE_WDATE, sy-vline,
  WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-TARE_WTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EWAWA_WEIGHINGPROCESS_OUTPUTS 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_EWAWA_WEIGHINGPROCESS_OUTPUTS 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_EWAWA_WEIGHINGPROCESS_OUTPUTS INTO WA_EWAWA_WEIGHINGPROCESS_OUTPUTS.


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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field CAR_CONT_NR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-CAR_CONT_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-CAR_CONT_NR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field TRLR_CONT_NR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-TRLR_CONT_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-TRLR_CONT_NR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTADDRNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-CUSTADDRNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWAWA_WEIGHINGPROCESS_OUTPUTS-CUSTADDRNUM.
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_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR, 
LICENSE_NUM TYPE STRING,
PROCESSTYPE TYPE STRING,
TRANSPORTER_RECN TYPE STRING,
TRANSPORTER_ACTN TYPE STRING,
TARA_WEIGHT TYPE STRING,
TARA_UNIT TYPE STRING,
TARE_ID TYPE STRING,
TARE_WEIGHT TYPE STRING,
TARE_SCALE TYPE STRING,
TARE_WDATE TYPE STRING,
TARE_WTIME TYPE STRING,
FLAG_TARA TYPE STRING,
DEVGRPNR_TARE TYPE STRING,
CONTRACT_VBELN TYPE STRING,
KUNNR TYPE STRING,
WDPLANT TYPE STRING,
CAR TYPE STRING,
TRAILER TYPE STRING,
CAR_CONT_NR TYPE STRING,
CAR_CONT_COUNT TYPE STRING,
TRLR_CONT_NR TYPE STRING,
TRLR_CONT_COUNT TYPE STRING,
TR_LICENSE_NUM TYPE STRING,
CUSTADDRNUM TYPE STRING,
TAREINFOID TYPE STRING,
WDPLANTORDERTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_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_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-LICENSE_NUM sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-PROCESSTYPE sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TRANSPORTER_RECN sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TRANSPORTER_ACTN sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TARA_WEIGHT sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TARA_UNIT sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TARE_ID sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TARE_WEIGHT sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TARE_SCALE sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TARE_WDATE sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TARE_WTIME sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-FLAG_TARA sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-DEVGRPNR_TARE sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-CONTRACT_VBELN sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-KUNNR sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-WDPLANT sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-CAR sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TRAILER sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-CAR_CONT_NR sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-CAR_CONT_COUNT sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TRLR_CONT_NR sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TRLR_CONT_COUNT sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TR_LICENSE_NUM sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-CUSTADDRNUM sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-TAREINFOID sy-vline 
WA_EWAWA_WEIGHINGPROCESS_OUTPUTS_STR-WDPLANTORDERTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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