ABAP Select data from SAP table CPCRRM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPCRRM
*  INTO TABLE @DATA(IT_CPCRRM2).
*--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_CPCRRM INDEX 1 INTO DATA(WA_CPCRRM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPCRRM>-MANDT = 1.
<CPCRRM>-CMPLRQRSLTUUID = 1.
<CPCRRM>-CHMLCMPLNCINFOUUID = 1.
<CPCRRM>-CHMLCMPLNCPRODUUID = 1.
<CPCRRM>-CMPLRQRSLTPROCESSINGSTATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPCRRM-SUBSTANCEUUID, sy-vline,
  WA_CPCRRM-CHMLSUPLRMATLUUID, sy-vline,
  WA_CPCRRM-CMPLRQVERSUUID, sy-vline,
  WA_CPCRRM-CMPLRQVERSNAME, sy-vline,
  WA_CPCRRM-CMPLRQVERSNAMEINCURLANG, sy-vline,
  WA_CPCRRM-CMPLRQVERSENGLISHNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPCRRM 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_CPCRRM 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_CPCRRM INTO WA_CPCRRM.


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

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

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CPCRRM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPCRRM-MATERIAL.
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_CPCRRM_STR, 
MANDT TYPE STRING,
CMPLRQRSLTUUID TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
CHMLCMPLNCPRODUUID TYPE STRING,
CMPLRQRSLTPROCESSINGSTATUS TYPE STRING,
SUBSTANCEUUID TYPE STRING,
CHMLSUPLRMATLUUID TYPE STRING,
CMPLRQVERSUUID TYPE STRING,
CMPLRQVERSNAME TYPE STRING,
CMPLRQVERSNAMEINCURLANG TYPE STRING,
CMPLRQVERSENGLISHNAME TYPE STRING,
RELDCMPLRQRSLTUUID TYPE STRING,
CMPLRQPATTERN TYPE STRING,
COMPLIANCEREQUIREMENT TYPE STRING,
CMPLRQRSLTNAVGNLINK TYPE STRING,
PRODUCT TYPE STRING,
CMPLRQRSLTCMPLNCSTS TYPE STRING,
CMPLRQRSLTCMPLNCSTSTXT TYPE STRING,
CMPLRQRSLTCMPLNCSTSFORSORTING TYPE STRING,
CMPLRQRSLTCMPLNCSTSCRITICALITY TYPE STRING,
RELEASEDBYUSER TYPE STRING,
PROCESSOR TYPE STRING,
CMPLRQRSLTPROCESSORNAME TYPE STRING,
CMPLRQRSLTPRELIMPROCESSORNAME TYPE STRING,
RELEASEDBYUSERNAME TYPE STRING,
CHMLCMPLNCINFOCOMBINEDNAME TYPE STRING,
MATERIALNAME TYPE STRING,
CHMLCMPLNCINTERNALNAME TYPE STRING,
MATERIAL TYPE STRING,
COUNTRY TYPE STRING,
COUNTRYNAME TYPE STRING,
HASDRAFTENTITY TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPCRRM_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_CPCRRM_STR-MANDT sy-vline 
WA_CPCRRM_STR-CMPLRQRSLTUUID sy-vline 
WA_CPCRRM_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_CPCRRM_STR-CHMLCMPLNCPRODUUID sy-vline 
WA_CPCRRM_STR-CMPLRQRSLTPROCESSINGSTATUS sy-vline 
WA_CPCRRM_STR-SUBSTANCEUUID sy-vline 
WA_CPCRRM_STR-CHMLSUPLRMATLUUID sy-vline 
WA_CPCRRM_STR-CMPLRQVERSUUID sy-vline 
WA_CPCRRM_STR-CMPLRQVERSNAME sy-vline 
WA_CPCRRM_STR-CMPLRQVERSNAMEINCURLANG sy-vline 
WA_CPCRRM_STR-CMPLRQVERSENGLISHNAME sy-vline 
WA_CPCRRM_STR-RELDCMPLRQRSLTUUID sy-vline 
WA_CPCRRM_STR-CMPLRQPATTERN sy-vline 
WA_CPCRRM_STR-COMPLIANCEREQUIREMENT sy-vline 
WA_CPCRRM_STR-CMPLRQRSLTNAVGNLINK sy-vline 
WA_CPCRRM_STR-PRODUCT sy-vline 
WA_CPCRRM_STR-CMPLRQRSLTCMPLNCSTS sy-vline 
WA_CPCRRM_STR-CMPLRQRSLTCMPLNCSTSTXT sy-vline 
WA_CPCRRM_STR-CMPLRQRSLTCMPLNCSTSFORSORTING sy-vline 
WA_CPCRRM_STR-CMPLRQRSLTCMPLNCSTSCRITICALITY sy-vline 
WA_CPCRRM_STR-RELEASEDBYUSER sy-vline 
WA_CPCRRM_STR-PROCESSOR sy-vline 
WA_CPCRRM_STR-CMPLRQRSLTPROCESSORNAME sy-vline 
WA_CPCRRM_STR-CMPLRQRSLTPRELIMPROCESSORNAME sy-vline 
WA_CPCRRM_STR-RELEASEDBYUSERNAME sy-vline 
WA_CPCRRM_STR-CHMLCMPLNCINFOCOMBINEDNAME sy-vline 
WA_CPCRRM_STR-MATERIALNAME sy-vline 
WA_CPCRRM_STR-CHMLCMPLNCINTERNALNAME sy-vline 
WA_CPCRRM_STR-MATERIAL sy-vline 
WA_CPCRRM_STR-COUNTRY sy-vline 
WA_CPCRRM_STR-COUNTRYNAME sy-vline 
WA_CPCRRM_STR-HASDRAFTENTITY sy-vline 
WA_CPCRRM_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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