ABAP Select data from SAP table ATPCS_RET into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ATPCS_RET
*  INTO TABLE @DATA(IT_ATPCS_RET2).
*--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_ATPCS_RET INDEX 1 INTO DATA(WA_ATPCS_RET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ATPCS_RET>-DELNR = 1.
<ATPCS_RET>-DELPS = 1.
<ATPCS_RET>-DELET = 1.
<ATPCS_RET>-XLINE = 1.
<ATPCS_RET>-YLINE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ATPCS_RET-LOGQS, sy-vline,
  WA_ATPCS_RET-LOGSYS, sy-vline,
  WA_ATPCS_RET-ORDID, sy-vline,
  WA_ATPCS_RET-TMPFLG, sy-vline,
  WA_ATPCS_RET-POSGUID, sy-vline,
  WA_ATPCS_RET-BDMNG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ATPCS_RET 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_ATPCS_RET 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_ATPCS_RET INTO WA_ATPCS_RET.


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

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

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

*Conversion exit ABPSP, internal->external for field PSPEL
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_ATPCS_RET-PSPEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ATPCS_RET-PSPEL.
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_ATPCS_RET_STR, 
DELNR TYPE STRING,
DELPS TYPE STRING,
DELET TYPE STRING,
XLINE TYPE STRING,
YLINE TYPE STRING,
LOGQS TYPE STRING,
LOGSYS TYPE STRING,
ORDID TYPE STRING,
TMPFLG TYPE STRING,
POSGUID TYPE STRING,
BDMNG TYPE STRING,
VMENG TYPE STRING,
FIXMG TYPE STRING,
APOREL TYPE STRING,
ATPM1 TYPE STRING,
ATPMG TYPE STRING,
RPFLG TYPE STRING,
SYSIND TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
LOCNO TYPE STRING,
LOCTYPE TYPE STRING,
SOBKZ TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PSPEL TYPE STRING,
LGORT TYPE STRING,
CHARG TYPE STRING,
ERRKZ TYPE STRING,
BDTER TYPE STRING,
REMFLG TYPE STRING,
SUREA TYPE STRING,
CHMOD TYPE STRING,
KOSCH TYPE STRING,
PRREG TYPE STRING,
TTYPE TYPE STRING,
PERSIST_ID TYPE STRING,
ACTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ATPCS_RET_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_ATPCS_RET_STR-DELNR sy-vline 
WA_ATPCS_RET_STR-DELPS sy-vline 
WA_ATPCS_RET_STR-DELET sy-vline 
WA_ATPCS_RET_STR-XLINE sy-vline 
WA_ATPCS_RET_STR-YLINE sy-vline 
WA_ATPCS_RET_STR-LOGQS sy-vline 
WA_ATPCS_RET_STR-LOGSYS sy-vline 
WA_ATPCS_RET_STR-ORDID sy-vline 
WA_ATPCS_RET_STR-TMPFLG sy-vline 
WA_ATPCS_RET_STR-POSGUID sy-vline 
WA_ATPCS_RET_STR-BDMNG sy-vline 
WA_ATPCS_RET_STR-VMENG sy-vline 
WA_ATPCS_RET_STR-FIXMG sy-vline 
WA_ATPCS_RET_STR-APOREL sy-vline 
WA_ATPCS_RET_STR-ATPM1 sy-vline 
WA_ATPCS_RET_STR-ATPMG sy-vline 
WA_ATPCS_RET_STR-RPFLG sy-vline 
WA_ATPCS_RET_STR-SYSIND sy-vline 
WA_ATPCS_RET_STR-MATNR sy-vline 
WA_ATPCS_RET_STR-WERKS sy-vline 
WA_ATPCS_RET_STR-LOCNO sy-vline 
WA_ATPCS_RET_STR-LOCTYPE sy-vline 
WA_ATPCS_RET_STR-SOBKZ sy-vline 
WA_ATPCS_RET_STR-KDAUF sy-vline 
WA_ATPCS_RET_STR-KDPOS sy-vline 
WA_ATPCS_RET_STR-PSPEL sy-vline 
WA_ATPCS_RET_STR-LGORT sy-vline 
WA_ATPCS_RET_STR-CHARG sy-vline 
WA_ATPCS_RET_STR-ERRKZ sy-vline 
WA_ATPCS_RET_STR-BDTER sy-vline 
WA_ATPCS_RET_STR-REMFLG sy-vline 
WA_ATPCS_RET_STR-SUREA sy-vline 
WA_ATPCS_RET_STR-CHMOD sy-vline 
WA_ATPCS_RET_STR-KOSCH sy-vline 
WA_ATPCS_RET_STR-PRREG sy-vline 
WA_ATPCS_RET_STR-TTYPE sy-vline 
WA_ATPCS_RET_STR-PERSIST_ID sy-vline 
WA_ATPCS_RET_STR-ACTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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