ABAP Select data from SAP table EWAV_PJPCKGDSREG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EWAV_PJPCKGDSREG
*  INTO TABLE @DATA(IT_EWAV_PJPCKGDSREG2).
*--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_EWAV_PJPCKGDSREG INDEX 1 INTO DATA(WA_EWAV_PJPCKGDSREG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EWAV_PJPCKGDSREG>-MANDT = 1.
<EWAV_PJPCKGDSREG>-VOUCHERNR = 1.
<EWAV_PJPCKGDSREG>-WEIGHINGNR = 1.
<EWAV_PJPCKGDSREG>-WDPLANTNR = 1.
<EWAV_PJPCKGDSREG>-CAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EWAV_PJPCKGDSREG-CAR_LICENSE_NUM, sy-vline,
  WA_EWAV_PJPCKGDSREG-GENERATOR_RECN, sy-vline,
  WA_EWAV_PJPCKGDSREG-GENERATOR_ACTN, sy-vline,
  WA_EWAV_PJPCKGDSREG-TRANSPORTER_RECN, sy-vline,
  WA_EWAV_PJPCKGDSREG-TRANSPORTER_ACTN, sy-vline,
  WA_EWAV_PJPCKGDSREG-DISPOSER_RECN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EWAV_PJPCKGDSREG 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_EWAV_PJPCKGDSREG 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_EWAV_PJPCKGDSREG INTO WA_EWAV_PJPCKGDSREG.


*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 VOUCHERNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EWAV_PJPCKGDSREG-VOUCHERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWAV_PJPCKGDSREG-VOUCHERNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit TPLNR, internal->external for field SERVLOC
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_EWAV_PJPCKGDSREG-SERVLOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWAV_PJPCKGDSREG-SERVLOC.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit GJAHR, internal->external for field MYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_EWAV_PJPCKGDSREG-MYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWAV_PJPCKGDSREG-MYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_EWAV_PJPCKGDSREG-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWAV_PJPCKGDSREG-TPLNR.
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_EWAV_PJPCKGDSREG_STR, 
MANDT TYPE STRING,
VOUCHERNR TYPE STRING,
WEIGHINGNR TYPE STRING,
WDPLANTNR TYPE STRING,
CAR TYPE STRING,
CAR_LICENSE_NUM TYPE STRING,
GENERATOR_RECN TYPE STRING,
GENERATOR_ACTN TYPE STRING,
TRANSPORTER_RECN TYPE STRING,
TRANSPORTER_ACTN TYPE STRING,
DISPOSER_RECN TYPE STRING,
DISPOSER_ACTN TYPE STRING,
VSTELLE TYPE STRING,
SERVLOC TYPE STRING,
ZTERM TYPE STRING,
ZTAGG TYPE STRING,
KUNNR TYPE STRING,
PROCESSTYPE TYPE STRING,
KAPID TYPE STRING,
VERSN TYPE STRING,
DATUB TYPE STRING,
TAGNR TYPE STRING,
SCHNR TYPE STRING,
SCHDATUM TYPE STRING,
SCHUZEIT TYPE STRING,
BUDATUM TYPE STRING,
VBELN TYPE STRING,
MBLNR TYPE STRING,
MYEAR TYPE STRING,
CONTRACT_VBELN TYPE STRING,
WDPLANTTYPE TYPE STRING,
ISXENOWDPLANT TYPE STRING,
LIFNR TYPE STRING,
TPLNR TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
LGNUM TYPE STRING,
PERSA TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
KAPNAME TYPE STRING,
KAPART TYPE STRING,
WEIGHINGFORM TYPE STRING,
PCKGOODSFORM TYPE STRING,
DESCRIPTION TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EWAV_PJPCKGDSREG_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_EWAV_PJPCKGDSREG_STR-MANDT sy-vline 
WA_EWAV_PJPCKGDSREG_STR-VOUCHERNR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-WEIGHINGNR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-WDPLANTNR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-CAR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-CAR_LICENSE_NUM sy-vline 
WA_EWAV_PJPCKGDSREG_STR-GENERATOR_RECN sy-vline 
WA_EWAV_PJPCKGDSREG_STR-GENERATOR_ACTN sy-vline 
WA_EWAV_PJPCKGDSREG_STR-TRANSPORTER_RECN sy-vline 
WA_EWAV_PJPCKGDSREG_STR-TRANSPORTER_ACTN sy-vline 
WA_EWAV_PJPCKGDSREG_STR-DISPOSER_RECN sy-vline 
WA_EWAV_PJPCKGDSREG_STR-DISPOSER_ACTN sy-vline 
WA_EWAV_PJPCKGDSREG_STR-VSTELLE sy-vline 
WA_EWAV_PJPCKGDSREG_STR-SERVLOC sy-vline 
WA_EWAV_PJPCKGDSREG_STR-ZTERM sy-vline 
WA_EWAV_PJPCKGDSREG_STR-ZTAGG sy-vline 
WA_EWAV_PJPCKGDSREG_STR-KUNNR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-PROCESSTYPE sy-vline 
WA_EWAV_PJPCKGDSREG_STR-KAPID sy-vline 
WA_EWAV_PJPCKGDSREG_STR-VERSN sy-vline 
WA_EWAV_PJPCKGDSREG_STR-DATUB sy-vline 
WA_EWAV_PJPCKGDSREG_STR-TAGNR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-SCHNR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-SCHDATUM sy-vline 
WA_EWAV_PJPCKGDSREG_STR-SCHUZEIT sy-vline 
WA_EWAV_PJPCKGDSREG_STR-BUDATUM sy-vline 
WA_EWAV_PJPCKGDSREG_STR-VBELN sy-vline 
WA_EWAV_PJPCKGDSREG_STR-MBLNR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-MYEAR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-CONTRACT_VBELN sy-vline 
WA_EWAV_PJPCKGDSREG_STR-WDPLANTTYPE sy-vline 
WA_EWAV_PJPCKGDSREG_STR-ISXENOWDPLANT sy-vline 
WA_EWAV_PJPCKGDSREG_STR-LIFNR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-TPLNR sy-vline 
WA_EWAV_PJPCKGDSREG_STR-WERKS sy-vline 
WA_EWAV_PJPCKGDSREG_STR-LGORT sy-vline 
WA_EWAV_PJPCKGDSREG_STR-LGNUM sy-vline 
WA_EWAV_PJPCKGDSREG_STR-PERSA sy-vline 
WA_EWAV_PJPCKGDSREG_STR-VKORG sy-vline 
WA_EWAV_PJPCKGDSREG_STR-VTWEG sy-vline 
WA_EWAV_PJPCKGDSREG_STR-SPART sy-vline 
WA_EWAV_PJPCKGDSREG_STR-KAPNAME sy-vline 
WA_EWAV_PJPCKGDSREG_STR-KAPART sy-vline 
WA_EWAV_PJPCKGDSREG_STR-WEIGHINGFORM sy-vline 
WA_EWAV_PJPCKGDSREG_STR-PCKGOODSFORM sy-vline 
WA_EWAV_PJPCKGDSREG_STR-DESCRIPTION sy-vline 
WA_EWAV_PJPCKGDSREG_STR-EKORG sy-vline 
WA_EWAV_PJPCKGDSREG_STR-EKGRP sy-vline 
WA_EWAV_PJPCKGDSREG_STR-ERDAT sy-vline 
WA_EWAV_PJPCKGDSREG_STR-ERNAM sy-vline 
WA_EWAV_PJPCKGDSREG_STR-AEDAT sy-vline 
WA_EWAV_PJPCKGDSREG_STR-AENAM sy-vline 
WA_EWAV_PJPCKGDSREG_STR-BEGRU sy-vline 
WA_EWAV_PJPCKGDSREG_STR-LOEVM sy-vline      INTO ld_text SEPARATED BY SPACE.

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