ABAP Select data from SAP table PACMCPEDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PACMCPEDATA
*  INTO TABLE @DATA(IT_PACMCPEDATA2).
*--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_PACMCPEDATA INDEX 1 INTO DATA(WA_PACMCPEDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PACMCPEDATA>-MANDT = 1.
<PACMCPEDATA>-PRICINGDOCUMENT = 1.
<PACMCPEDATA>-CONDITIONITEM = 1.
<PACMCPEDATA>-ACMPRICINGDOCITEMUUID = 1.
<PACMCPEDATA>-ACMPRICINGCONDITIONTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PACMCPEDATA-PRCGCONDITIONFORMULAINPUTUUID, sy-vline,
  WA_PACMCPEDATA-PRICINGCONDITIONTERM, sy-vline,
  WA_PACMCPEDATA-ACMPRCGTERMINPUTUUID, sy-vline,
  WA_PACMCPEDATA-ACMPRCGCNDNFORMULAPRICE, sy-vline,
  WA_PACMCPEDATA-ACMPRCGCNDNFORMULARATECRCY, sy-vline,
  WA_PACMCPEDATA-ACMPRCGCNDNFORMULARATEQTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PACMCPEDATA 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_PACMCPEDATA 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_PACMCPEDATA INTO WA_PACMCPEDATA.


*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 ACMPRCGCNDNFORMULARATEQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PACMCPEDATA-ACMPRCGCNDNFORMULARATEQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PACMCPEDATA-ACMPRCGCNDNFORMULARATEQTYUNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field PRCGCNDNTERMFIXEDRATEQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PACMCPEDATA-PRCGCNDNTERMFIXEDRATEQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PACMCPEDATA-PRCGCNDNTERMFIXEDRATEQTYUNIT.
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_PACMCPEDATA_STR, 
MANDT TYPE STRING,
PRICINGDOCUMENT TYPE STRING,
CONDITIONITEM TYPE STRING,
ACMPRICINGDOCITEMUUID TYPE STRING,
ACMPRICINGCONDITIONTYPE TYPE STRING,
PRCGCONDITIONFORMULAINPUTUUID TYPE STRING,
PRICINGCONDITIONTERM TYPE STRING,
ACMPRCGTERMINPUTUUID TYPE STRING,
ACMPRCGCNDNFORMULAPRICE TYPE STRING,
ACMPRCGCNDNFORMULARATECRCY TYPE STRING,
ACMPRCGCNDNFORMULARATEQTY TYPE STRING,
ACMPRCGCNDNFORMULARATEQTYUNIT TYPE STRING,
ACMPRCGCNDNDOCUMENTCRCY TYPE STRING,
ACMPRCGTERMCONVERSIONINPUTUUID TYPE STRING,
QUANTITY TYPE STRING,
UNITOFMEASURE TYPE STRING,
ACMTERMCALCTYPE TYPE STRING,
DERIVATIVECONTRSPECIFICATION TYPE STRING,
MARKETIDENTIFIERCODE TYPE STRING,
ACMPRCGCNDNTERMINPUTPRICE TYPE STRING,
PRCGCONDITIONTERMFIXEDRATECRCY TYPE STRING,
PRCGCONDITIONTERMFIXEDRATEQTY TYPE STRING,
PRCGCNDNTERMFIXEDRATEQTYUNIT TYPE STRING,
QUOTATIONKEYTYPE TYPE STRING,
MATURITYKEYDATE TYPE STRING,
CMMDTYORDREQDOCEXTERNALID TYPE STRING,
BASISTYPE TYPE STRING,
PRICINGSTATUS TYPE STRING,
ACMPRCTERMINPUTCNVRSNUUID TYPE STRING,
ACMPRICINGFXRATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PACMCPEDATA_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_PACMCPEDATA_STR-MANDT sy-vline 
WA_PACMCPEDATA_STR-PRICINGDOCUMENT sy-vline 
WA_PACMCPEDATA_STR-CONDITIONITEM sy-vline 
WA_PACMCPEDATA_STR-ACMPRICINGDOCITEMUUID sy-vline 
WA_PACMCPEDATA_STR-ACMPRICINGCONDITIONTYPE sy-vline 
WA_PACMCPEDATA_STR-PRCGCONDITIONFORMULAINPUTUUID sy-vline 
WA_PACMCPEDATA_STR-PRICINGCONDITIONTERM sy-vline 
WA_PACMCPEDATA_STR-ACMPRCGTERMINPUTUUID sy-vline 
WA_PACMCPEDATA_STR-ACMPRCGCNDNFORMULAPRICE sy-vline 
WA_PACMCPEDATA_STR-ACMPRCGCNDNFORMULARATECRCY sy-vline 
WA_PACMCPEDATA_STR-ACMPRCGCNDNFORMULARATEQTY sy-vline 
WA_PACMCPEDATA_STR-ACMPRCGCNDNFORMULARATEQTYUNIT sy-vline 
WA_PACMCPEDATA_STR-ACMPRCGCNDNDOCUMENTCRCY sy-vline 
WA_PACMCPEDATA_STR-ACMPRCGTERMCONVERSIONINPUTUUID sy-vline 
WA_PACMCPEDATA_STR-QUANTITY sy-vline 
WA_PACMCPEDATA_STR-UNITOFMEASURE sy-vline 
WA_PACMCPEDATA_STR-ACMTERMCALCTYPE sy-vline 
WA_PACMCPEDATA_STR-DERIVATIVECONTRSPECIFICATION sy-vline 
WA_PACMCPEDATA_STR-MARKETIDENTIFIERCODE sy-vline 
WA_PACMCPEDATA_STR-ACMPRCGCNDNTERMINPUTPRICE sy-vline 
WA_PACMCPEDATA_STR-PRCGCONDITIONTERMFIXEDRATECRCY sy-vline 
WA_PACMCPEDATA_STR-PRCGCONDITIONTERMFIXEDRATEQTY sy-vline 
WA_PACMCPEDATA_STR-PRCGCNDNTERMFIXEDRATEQTYUNIT sy-vline 
WA_PACMCPEDATA_STR-QUOTATIONKEYTYPE sy-vline 
WA_PACMCPEDATA_STR-MATURITYKEYDATE sy-vline 
WA_PACMCPEDATA_STR-CMMDTYORDREQDOCEXTERNALID sy-vline 
WA_PACMCPEDATA_STR-BASISTYPE sy-vline 
WA_PACMCPEDATA_STR-PRICINGSTATUS sy-vline 
WA_PACMCPEDATA_STR-ACMPRCTERMINPUTCNVRSNUUID sy-vline 
WA_PACMCPEDATA_STR-ACMPRICINGFXRATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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