ABAP Select data from SAP table /SCMB/MDL_PROCREL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMB/MDL_PROCREL 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 /SCMB/MDL_PROCREL. 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 /SCMB/MDL_PROCREL 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_/SCMB/MDL_PROCREL TYPE STANDARD TABLE OF /SCMB/MDL_PROCREL,
      WA_/SCMB/MDL_PROCREL TYPE /SCMB/MDL_PROCREL,
      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: </SCMB/MDL_PROCREL> TYPE /SCMB/MDL_PROCREL.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMB/MDL_PROCREL
  INTO TABLE IT_/SCMB/MDL_PROCREL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMB/MDL_PROCREL
*  INTO TABLE @DATA(IT_/SCMB/MDL_PROCREL2).
*--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_/SCMB/MDL_PROCREL INDEX 1 INTO DATA(WA_/SCMB/MDL_PROCREL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMB/MDL_PROCREL ASSIGNING </SCMB/MDL_PROCREL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMB/MDL_PROCREL>-BZQID = 1.
</SCMB/MDL_PROCREL>-MDL = 1.
</SCMB/MDL_PROCREL>-METHOD = 1.
</SCMB/MDL_PROCREL>-FIELDS = 1.
</SCMB/MDL_PROCREL>-FIN = 1.

ENDLOOP.

LOOP AT IT_/SCMB/MDL_PROCREL INTO WA_/SCMB/MDL_PROCREL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMB/MDL_PROCREL-MDL, sy-vline,
  WA_/SCMB/MDL_PROCREL-METHOD, sy-vline,
  WA_/SCMB/MDL_PROCREL-FIELDS, sy-vline,
  WA_/SCMB/MDL_PROCREL-ZBD1T, sy-vline,
  WA_/SCMB/MDL_PROCREL-ZBD2T, sy-vline,
  WA_/SCMB/MDL_PROCREL-ZBD3T, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMB/MDL_PROCREL 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_/SCMB/MDL_PROCREL 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_/SCMB/MDL_PROCREL INTO WA_/SCMB/MDL_PROCREL.


*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 BPRME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCMB/MDL_PROCREL-BPRME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMB/MDL_PROCREL-BPRME.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTRG, internal->external for field PLIFZ
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/SCMB/MDL_PROCREL-PLIFZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMB/MDL_PROCREL-PLIFZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field IDNLF
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCMB/MDL_PROCREL-IDNLF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMB/MDL_PROCREL-IDNLF.
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_/SCMB/MDL_PROCREL_STR, 
BZQID TYPE STRING,
MDL TYPE STRING,
METHOD TYPE STRING,
FIELDS TYPE STRING,
FIN TYPE STRING,
MDL TYPE STRING,
METHOD TYPE STRING,
FIELDS TYPE STRING,
ZBD1T TYPE STRING,
ZBD2T TYPE STRING,
ZBD3T TYPE STRING,
ZBD1P TYPE STRING,
ZBD2P TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
WAERS TYPE STRING,
WEBRE TYPE STRING,
XERSY TYPE STRING,
SKTOF TYPE STRING,
REPOS TYPE STRING,
NETPR TYPE STRING,
PEINH TYPE STRING,
BPRME TYPE STRING,
BPUMZ TYPE STRING,
BPUMN TYPE STRING,
LIFRE TYPE STRING,
TXJCD TYPE STRING,
EREKZ TYPE STRING,
MWSKZ TYPE STRING,
ZTERM TYPE STRING,
TDSRC TYPE STRING,
MATID TYPE STRING,
LOCFR TYPE STRING,
LOCTO TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
BZQ_ACTIVE TYPE STRING,
BSTME TYPE STRING,
MEINS TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
PLIFZ TYPE STRING,
IDNLF TYPE STRING,
VARPUOM TYPE STRING,
MEASGRSUP TYPE STRING,
CSINT TYPE STRING,
PROCESS_TYPE_ICH TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
EKORG TYPE STRING,
LGBZO TYPE STRING,
PRORD TYPE STRING,
PROCYC TYPE STRING,
CONSI TYPE STRING,
SUBCO TYPE STRING,
ABRES_ACTIVE TYPE STRING,
EKGRP TYPE STRING,
UEBTO TYPE STRING,
UNTTO TYPE STRING,
CQ_CTRLTYPE TYPE STRING,
UEBTK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMB/MDL_PROCREL_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_/SCMB/MDL_PROCREL_STR-BZQID sy-vline 
WA_/SCMB/MDL_PROCREL_STR-MDL sy-vline 
WA_/SCMB/MDL_PROCREL_STR-METHOD sy-vline 
WA_/SCMB/MDL_PROCREL_STR-FIELDS sy-vline 
WA_/SCMB/MDL_PROCREL_STR-FIN sy-vline 
WA_/SCMB/MDL_PROCREL_STR-MDL sy-vline 
WA_/SCMB/MDL_PROCREL_STR-METHOD sy-vline 
WA_/SCMB/MDL_PROCREL_STR-FIELDS sy-vline 
WA_/SCMB/MDL_PROCREL_STR-ZBD1T sy-vline 
WA_/SCMB/MDL_PROCREL_STR-ZBD2T sy-vline 
WA_/SCMB/MDL_PROCREL_STR-ZBD3T sy-vline 
WA_/SCMB/MDL_PROCREL_STR-ZBD1P sy-vline 
WA_/SCMB/MDL_PROCREL_STR-ZBD2P sy-vline 
WA_/SCMB/MDL_PROCREL_STR-INCO1 sy-vline 
WA_/SCMB/MDL_PROCREL_STR-INCO2 sy-vline 
WA_/SCMB/MDL_PROCREL_STR-WAERS sy-vline 
WA_/SCMB/MDL_PROCREL_STR-WEBRE sy-vline 
WA_/SCMB/MDL_PROCREL_STR-XERSY sy-vline 
WA_/SCMB/MDL_PROCREL_STR-SKTOF sy-vline 
WA_/SCMB/MDL_PROCREL_STR-REPOS sy-vline 
WA_/SCMB/MDL_PROCREL_STR-NETPR sy-vline 
WA_/SCMB/MDL_PROCREL_STR-PEINH sy-vline 
WA_/SCMB/MDL_PROCREL_STR-BPRME sy-vline 
WA_/SCMB/MDL_PROCREL_STR-BPUMZ sy-vline 
WA_/SCMB/MDL_PROCREL_STR-BPUMN sy-vline 
WA_/SCMB/MDL_PROCREL_STR-LIFRE sy-vline 
WA_/SCMB/MDL_PROCREL_STR-TXJCD sy-vline 
WA_/SCMB/MDL_PROCREL_STR-EREKZ sy-vline 
WA_/SCMB/MDL_PROCREL_STR-MWSKZ sy-vline 
WA_/SCMB/MDL_PROCREL_STR-ZTERM sy-vline 
WA_/SCMB/MDL_PROCREL_STR-TDSRC sy-vline 
WA_/SCMB/MDL_PROCREL_STR-MATID sy-vline 
WA_/SCMB/MDL_PROCREL_STR-LOCFR sy-vline 
WA_/SCMB/MDL_PROCREL_STR-LOCTO sy-vline 
WA_/SCMB/MDL_PROCREL_STR-VALFR sy-vline 
WA_/SCMB/MDL_PROCREL_STR-VALTO sy-vline 
WA_/SCMB/MDL_PROCREL_STR-BZQ_ACTIVE sy-vline 
WA_/SCMB/MDL_PROCREL_STR-BSTME sy-vline 
WA_/SCMB/MDL_PROCREL_STR-MEINS sy-vline 
WA_/SCMB/MDL_PROCREL_STR-UMREZ sy-vline 
WA_/SCMB/MDL_PROCREL_STR-UMREN sy-vline 
WA_/SCMB/MDL_PROCREL_STR-PLIFZ sy-vline 
WA_/SCMB/MDL_PROCREL_STR-IDNLF sy-vline 
WA_/SCMB/MDL_PROCREL_STR-VARPUOM sy-vline 
WA_/SCMB/MDL_PROCREL_STR-MEASGRSUP sy-vline 
WA_/SCMB/MDL_PROCREL_STR-CSINT sy-vline 
WA_/SCMB/MDL_PROCREL_STR-PROCESS_TYPE_ICH sy-vline 
WA_/SCMB/MDL_PROCREL_STR-EBELN sy-vline 
WA_/SCMB/MDL_PROCREL_STR-EBELP sy-vline 
WA_/SCMB/MDL_PROCREL_STR-EKORG sy-vline 
WA_/SCMB/MDL_PROCREL_STR-LGBZO sy-vline 
WA_/SCMB/MDL_PROCREL_STR-PRORD sy-vline 
WA_/SCMB/MDL_PROCREL_STR-PROCYC sy-vline 
WA_/SCMB/MDL_PROCREL_STR-CONSI sy-vline 
WA_/SCMB/MDL_PROCREL_STR-SUBCO sy-vline 
WA_/SCMB/MDL_PROCREL_STR-ABRES_ACTIVE sy-vline 
WA_/SCMB/MDL_PROCREL_STR-EKGRP sy-vline 
WA_/SCMB/MDL_PROCREL_STR-UEBTO sy-vline 
WA_/SCMB/MDL_PROCREL_STR-UNTTO sy-vline 
WA_/SCMB/MDL_PROCREL_STR-CQ_CTRLTYPE sy-vline 
WA_/SCMB/MDL_PROCREL_STR-UEBTK sy-vline      INTO ld_text SEPARATED BY SPACE.

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