ABAP Select data from SAP table PPMGAG_S_PPMT_POST_REVERSAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPMGAG_S_PPMT_POST_REVERSAL
*  INTO TABLE @DATA(IT_PPMGAG_S_PPMT_POST_REVERSAL2).
*--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_PPMGAG_S_PPMT_POST_REVERSAL INDEX 1 INTO DATA(WA_PPMGAG_S_PPMT_POST_REVERSAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPMGAG_S_PPMT_POST_REVERSAL>-PREPAYMENTAGREEMENTUUID = 1.
<PPMGAG_S_PPMT_POST_REVERSAL>-PREPAYMENTAGRMTDISTRUUID = 1.
<PPMGAG_S_PPMT_POST_REVERSAL>-HIERARCHYLEVEL = 1.
<PPMGAG_S_PPMT_POST_REVERSAL>-EXPAND_COLLAPSE_ICON = 1.
<PPMGAG_S_PPMT_POST_REVERSAL>-EXPAND_COLLAPSE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPMGAG_S_PPMT_POST_REVERSAL-PREPAYMENTAGREEMENT, sy-vline,
  WA_PPMGAG_S_PPMT_POST_REVERSAL-PREPAYMENTAGRMTPOSTINGSTATUS, sy-vline,
  WA_PPMGAG_S_PPMT_POST_REVERSAL-ICON, sy-vline,
  WA_PPMGAG_S_PPMT_POST_REVERSAL-DOCUMENTITEMNUMBER, sy-vline,
  WA_PPMGAG_S_PPMT_POST_REVERSAL-PREPAYMENTAGREEMENTTYPE, sy-vline,
  WA_PPMGAG_S_PPMT_POST_REVERSAL-PREPAYMENTAGREEMENTCATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPMGAG_S_PPMT_POST_REVERSAL 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_PPMGAG_S_PPMT_POST_REVERSAL 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_PPMGAG_S_PPMT_POST_REVERSAL INTO WA_PPMGAG_S_PPMT_POST_REVERSAL.


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

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

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

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

*Conversion exit EXCRT, internal->external for field PREPAYMENTAGREEMENTEXCHRATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_PPMGAG_S_PPMT_POST_REVERSAL-PREPAYMENTAGREEMENTEXCHRATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPMGAG_S_PPMT_POST_REVERSAL-PREPAYMENTAGREEMENTEXCHRATE.
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_PPMGAG_S_PPMT_POST_REVERSAL_STR, 
PREPAYMENTAGREEMENTUUID TYPE STRING,
PREPAYMENTAGRMTDISTRUUID TYPE STRING,
HIERARCHYLEVEL TYPE STRING,
EXPAND_COLLAPSE_ICON TYPE STRING,
EXPAND_COLLAPSE TYPE STRING,
PREPAYMENTAGREEMENT TYPE STRING,
PREPAYMENTAGRMTPOSTINGSTATUS TYPE STRING,
ICON TYPE STRING,
DOCUMENTITEMNUMBER TYPE STRING,
PREPAYMENTAGREEMENTTYPE TYPE STRING,
PREPAYMENTAGREEMENTCATEGORY TYPE STRING,
PREPAYMENTAGREEMENTSTATUS TYPE STRING,
PREPAYMENTAGREEMENTDESCRIPTION TYPE STRING,
PREPAYMENTCOUNTERPARTY TYPE STRING,
COUNTERPARTY TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
PREPAYMENTAGRMTDUEDATE TYPE STRING,
PREPAYMENTAGREEMENTAMOUNT TYPE STRING,
PREPAYMENTAGREEMENTCURRENCY TYPE STRING,
PREPAYMENTAGREEMENTCOMMODITY TYPE STRING,
PREPAYMENTAGRMTPLANT TYPE STRING,
MATERIAL TYPE STRING,
MASS_UOM TYPE STRING,
MESSAGE TYPE STRING,
VALID_RECORD TYPE STRING,
REASON_CODE TYPE STRING,
OBJECT_KEY TYPE STRING,
PREPAYMENTAPPROVALUUID TYPE STRING,
PREPAYMENTAGRMTDOCUUID TYPE STRING,
PREPAYMENTPOSTEDDOCUMENT TYPE STRING,
PREPAYMENTREVERSEDDOCUMENT TYPE STRING,
POSTING_PROFILE TYPE STRING,
SAPBUSINESSOBJECTTYPECODE TYPE STRING,
PREPAYMENTAGREEMENTFXRATE TYPE STRING,
PREPAYMENTAGREEMENTFXDATE TYPE STRING,
PREPAYMENTAGREEMENTEXCHRATE TYPE STRING,
NOT_QUALIFIED TYPE STRING,
PREPAYMENTLIMITCREDITDATE TYPE STRING,
LIMITCREDITDATE_CHECK TYPE STRING,
LINE_COLOR TYPE STRING,
BARTER_NOT_QUALIFIED TYPE STRING,
PREPAYMENTAGRMTLINKSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPMGAG_S_PPMT_POST_REVERSAL_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_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTUUID sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGRMTDISTRUUID sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-HIERARCHYLEVEL sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-EXPAND_COLLAPSE_ICON sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-EXPAND_COLLAPSE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENT sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGRMTPOSTINGSTATUS sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-ICON sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-DOCUMENTITEMNUMBER sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTTYPE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTCATEGORY sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTSTATUS sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTDESCRIPTION sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTCOUNTERPARTY sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-COUNTERPARTY sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-COMPANYCODE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PURCHASINGGROUP sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PURCHASINGORGANIZATION sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-SALESORGANIZATION sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-DIVISION sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGRMTDUEDATE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTAMOUNT sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTCURRENCY sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTCOMMODITY sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGRMTPLANT sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-MATERIAL sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-MASS_UOM sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-MESSAGE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-VALID_RECORD sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-REASON_CODE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-OBJECT_KEY sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAPPROVALUUID sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGRMTDOCUUID sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTPOSTEDDOCUMENT sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTREVERSEDDOCUMENT sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-POSTING_PROFILE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-SAPBUSINESSOBJECTTYPECODE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTFXRATE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTFXDATE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGREEMENTEXCHRATE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-NOT_QUALIFIED sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTLIMITCREDITDATE sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-LIMITCREDITDATE_CHECK sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-LINE_COLOR sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-BARTER_NOT_QUALIFIED sy-vline 
WA_PPMGAG_S_PPMT_POST_REVERSAL_STR-PREPAYMENTAGRMTLINKSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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